# Elasticsearch, Glean vs Guru Comparison

| | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Star Rating** | 4.5 out of 5 | 4.7 out of 5 | 4.7 out of 5 | 
| **Total Reviews** | 292 | 161 | 2,317 | 
| **Largest Market Segment** | Mid-Market (36.6% of reviews) | Enterprise (52.6% of reviews) | Mid-Market (56.4% of reviews) | 
| **Entry Level Price** | Pay As You Go Per Month | No pricing available | Contact Us | 

---
## Top Pros & Cons

### Elasticsearch

Pros:
- Ease of Use (52 reviews)
- Speed (36 reviews)

Cons:
- Expensive (28 reviews)
- Required Expertise (26 reviews)

### Glean

Pros:
- Ease of Use (8 reviews)
- Speed (5 reviews)

Cons:
- Improvement Needed (3 reviews)
- Search Functionality (2 reviews)

### Guru

Pros:
- Ease of Use (726 reviews)
- Helpful (418 reviews)

Cons:
- Search Functionality (148 reviews)
- Inefficient Search (146 reviews)

---
## Ratings Comparison
| Rating | Elasticsearch | Glean | Guru | 
|---|---|---|---|
  | **Meets Requirements** | 8.9 (262 reviews) | 9.2 (115 reviews) | 9.3 (1884 reviews) | 
  | **Ease of Use** | 8.4 (266 reviews) | 9.5 (121 reviews) | 9.3 (1906 reviews) | 
  | **Ease of Setup** | 8.5 (186 reviews) | 8.8 (26 reviews) | 9.3 (919 reviews) | 
  | **Ease of Admin** | 8.6 (154 reviews) | 8.7 (10 reviews) | 9.0 (475 reviews) | 
  | **Quality of Support** | 8.6 (235 reviews) | 9.2 (71 reviews) | 9.4 (1482 reviews) | 
  | **Has the product been a good partner in doing business?** | 8.9 (143 reviews) | 9.3 (10 reviews) | 9.4 (428 reviews) | 
  | **Product Direction (% positive)** | 9.0 (261 reviews) | 9.2 (111 reviews) | 9.2 (1781 reviews) | 

---
## Pricing

### Elasticsearch

#### Entry-Level Pricing

Plan: Elastic Cloud Serverless

Price: Pay As You Go Per Month

Description: A fully automated, usage-based "Search AI" platform. Ideal for variable workloads where compute scales independently from storage, requiring zero capacity planning or infrastructure management.

Key Features:
- No-ops management: Elastic handles all upgrades and scaling
- Decoupled compute and storage scaling
- Specialized VCUs for Ingest, Search, and Machine Learning

[Browse all 3 editions](https://www.g2.com/products/elastic-elasticsearch/pricing)

#### Free Trial

Yes

### Glean

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### Guru

#### Entry-Level Pricing

Plan: AI Source of Truth Platform

Price: Contact Us

Description: Guru is an enterprise AI knowledge platform paired with expert guidance to design, implement, and optimize your AI knowledge strategy.

Every deployment is tailored to your organization’s scale, knowledge complexity, and AI maturity—so your teams and AI tools get trusted, permission-aware answers from day one.

Key Features:
- AI Knowledge Platform
- Knowledge Quality & Automation
- Enterprise Governance & Security

[Learn more about Guru](https://www.g2.com/products/guru/reviews)

#### Free Trial

Yes

---
## Features Comparison By Category

### Insight Engines

| Product | Score | Reviews |
|---|---|---|
| **Elasticsearch** | N/A | N/A |
| **Glean** | N/A | N/A |
| **Guru** | 9.4/10 | 137 |

#### Content Management

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Data Centralization - Insight Engines** | Not enough data | Not enough data | 9.6 (86 reviews) | 
| **Archiving - Insight Engines** | Not enough data | Not enough data | 9.6 (87 reviews) | 
| **Search Analysis - Insight Engines** | Not enough data | Not enough data | 9.5 (83 reviews) | 

#### Content Discovery

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Search Interface - Insight Engines** | Not enough data | Not enough data | 9.4 (87 reviews) | 
| **AI Functionality - Insight Engines** | Not enough data | Not enough data | 9.5 (85 reviews) | 
| **NLP Functionality - Insight Engines** | Not enough data | Not enough data | 9.5 (82 reviews) | 
| **Data Mining - Insight Engines** | Not enough data | Not enough data | 9.2 (83 reviews) | 
| **Structured Navigation - Insight Engines** | Not enough data | Not enough data | 9.6 (81 reviews) | 
| **Machine Learning - Insight Engines** | Not enough data | Not enough data | 9.5 (82 reviews) | 

#### Generative AI

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **AI Text Generation** | Not enough data | Not enough data | 9.3 (43 reviews) | 
| **AI Text Summarization** | Not enough data | Not enough data | 9.4 (45 reviews) | 

### Contact Center Knowledge Base

| Product | Score | Reviews |
|---|---|---|
| **Elasticsearch** | N/A | N/A |
| **Glean** | N/A | N/A |
| **Guru** | 9.3/10 | 916 |

#### Administration

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Database Management ** | Not enough data | Not enough data | 9.3 (640 reviews) | 
| **Data Workflows** | Not enough data | Not enough data | 9.2 (635 reviews) | 
| **Issue Management** | Not enough data | Not enough data | 9.2 (630 reviews) | 

#### Knowledge Management

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Knowledge Base** | Not enough data | Not enough data | 9.7 (757 reviews) | 
| **Publishing Workflows** | Not enough data | Not enough data | 9.3 (704 reviews) | 
| **Analytics** | Not enough data | Not enough data | 9.2 (668 reviews) | 

#### Compliance

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Policies and Controls** | Not enough data | Not enough data | 9.3 (650 reviews) | 
| **Data Governance** | Not enough data | Not enough data | 9.3 (621 reviews) | 
| **Compliance** | Not enough data | Not enough data | 9.3 (618 reviews) | 
| **Auditing** | Not enough data | Not enough data | 9.2 (596 reviews) | 

#### Customer Support

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Intelligent Search** | Not enough data | Not enough data | 9.2 (725 reviews) | 
| **Suggestions** | Not enough data | Not enough data | 9.2 (685 reviews) | 
| **Decision Trees** | Not enough data | Not enough data | 9.1 (613 reviews) | 

#### Data Security

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Risk Data Attributes** | Not enough data | Not enough data | 9.2 (598 reviews) | 
| **Data Transport** | Not enough data | Not enough data | 9.3 (592 reviews) | 
| **Access Management** | Not enough data | Not enough data | 9.3 (615 reviews) | 
| **Multi-Factor Authentication** | Not enough data | Not enough data | 9.2 (598 reviews) | 

#### Administration

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Integrations** | Not enough data | Not enough data | 9.2 (645 reviews) | 
| **User, Role, and Access Management** | Not enough data | Not enough data | 9.3 (666 reviews) | 
| **Performance and Reliability** | Not enough data | Not enough data | 9.5 (733 reviews) | 

#### Generative AI

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **AI Text Summarization** | Not enough data | Not enough data | 9.1 (456 reviews) | 

### Knowledge Base

| Product | Score | Reviews |
|---|---|---|
| **Elasticsearch** | N/A | N/A |
| **Glean** | N/A | N/A |
| **Guru** | 9.1/10 | 876 |

#### Knowledge Pages

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Templates** | Not enough data | Not enough data | 9.0 (654 reviews) | 
| **In-Content Feedback** | Not enough data | Not enough data | 9.1 (611 reviews) | 
| **Versioning and Version History** | Not enough data | Not enough data | 9.1 (653 reviews) | 
| **Decision Trees** | Not enough data | Not enough data | 8.9 (551 reviews) | 
| **Duplicate Detection** | Not enough data | Not enough data | 8.9 (510 reviews) | 
| **Content Editor** | Not enough data | Not enough data | 9.1 (522 reviews) | 

#### Knowledge Dissemination

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Page Analytics** | Not enough data | Not enough data | 9.0 (639 reviews) | 
| **Permissions** | Not enough data | Not enough data | 9.1 (634 reviews) | 
| **Knowledge Sharing** | Not enough data | Not enough data | 9.5 (711 reviews) | 
| **Notifications** | Not enough data | Not enough data | 9.2 (682 reviews) | 
| **Advanced Search** | Not enough data | Not enough data | 9.2 (546 reviews) | 
| **Browser Extension** | Not enough data | Not enough data | 9.2 (550 reviews) | 
| **Organization** | Not enough data | Not enough data | 9.4 (556 reviews) | 
| **Other Integrations** | Not enough data | Not enough data | 9.0 (527 reviews) | 
| **Knowledge Integrations** | Not enough data | Not enough data | 9.2 (531 reviews) | 

#### Agentic AI - Knowledge Base

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Adaptive Learning** | Not enough data | Not enough data | 8.7 (77 reviews) | 
| **Natural Language Interaction** | Not enough data | Not enough data | 8.9 (77 reviews) | 
| **Proactive Assistance** | Not enough data | Not enough data | 8.9 (78 reviews) | 

### Enterprise Search Software

| Product | Score | Reviews |
|---|---|---|
| **Elasticsearch** | 8.6/10 | 110 |
| **Glean** | 8.7/10 | 97 |
| **Guru** | 9.2/10 | 127 |

#### Compatibility

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Federated Search** | 8.7 (92 reviews) | 9.5 (84 reviews) | 9.3 (74 reviews) | 
| **File Types** | 8.6 (86 reviews) | 9.0 (72 reviews) | 9.1 (72 reviews) | 
| **Global Language Support** | 8.1 (87 reviews) | 8.2 (37 reviews) | 9.1 (75 reviews) | 

#### Agentic AI - Enterprise Search Software

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Autonomous Task Execution** | Feature Not Available | Not enough data | 8.9 (24 reviews) | 
| **Multi-step Planning** | Feature Not Available | Not enough data | 8.9 (25 reviews) | 
| **Cross-system Integration** | Feature Not Available | 9.4 (6 reviews) | 9.2 (25 reviews) | 
| **Adaptive Learning** | Feature Not Available | Not enough data | 9.0 (24 reviews) | 
| **Proactive Assistance** | Feature Not Available | Not enough data | 8.9 (25 reviews) | 
| **Decision Making** | Feature Not Available | Not enough data | 8.8 (24 reviews) | 

#### Search Queries

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Typo Tolerance** | 8.4 (94 reviews) | 8.2 (74 reviews) | 9.4 (73 reviews) | 
| **Faceted Search** | 8.6 (90 reviews) | 8.9 (61 reviews) | 9.4 (76 reviews) | 
| **Synonyms** | 8.4 (85 reviews) | 8.1 (65 reviews) | 9.3 (72 reviews) | 
| **Highlighting** | 8.7 (87 reviews) | 8.7 (65 reviews) | 9.4 (69 reviews) | 
| **Natural Language** | 8.2 (86 reviews) | 8.7 (66 reviews) | 9.2 (74 reviews) | 

#### AI powered search - Enterprise Search Software

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Generative RAG (Retrieval augmented generation)** | 8.5 (18 reviews) | 8.0 (5 reviews) | 9.0 (19 reviews) | 
| **Relevance Tuning** | 8.6 (19 reviews) | Not enough data | 9.1 (18 reviews) | 
| **NLP & Semantic search** | 8.5 (20 reviews) | 8.3 (5 reviews) | 9.1 (18 reviews) | 

#### Functionality

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Personalization** | 8.3 (87 reviews) | 8.3 (68 reviews) | 9.2 (74 reviews) | 
| **Search Analytics** | 8.9 (91 reviews) | 8.6 (56 reviews) | 9.4 (75 reviews) | 
| **Integrations** | 8.8 (96 reviews) | 9.0 (77 reviews) | 9.3 (80 reviews) | 

#### Compatibility - Enterprise Search Software

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **File Types** | 8.8 (18 reviews) | Not enough data | 9.2 (18 reviews) | 
| **Federated Search** | 8.8 (20 reviews) | 9.5 (7 reviews) | 9.6 (19 reviews) | 
| **Global Language Support** | 8.6 (18 reviews) | Not enough data | 8.7 (18 reviews) | 

#### Functionality - Enterprise Search Software

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Personalization** | 8.6 (18 reviews) | Not enough data | 9.2 (19 reviews) | 
| **Search Analytics** | 8.9 (21 reviews) | Not enough data | 9.6 (19 reviews) | 
| **Integrations** | 8.8 (28 reviews) | 10.0 (5 reviews) | 9.4 (20 reviews) | 

#### Search Queries - Enterprise Search Software

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Highlighting** | 8.9 (19 reviews) | Not enough data | 9.6 (19 reviews) | 
| **Faceted Search** | 8.9 (20 reviews) | Not enough data | 8.9 (19 reviews) | 
| **Typo Tolerance** | 8.7 (20 reviews) | Not enough data | 9.5 (19 reviews) | 
| **Synonyms** | 9.0 (18 reviews) | Not enough data | 9.8 (18 reviews) | 

### AI Agents For Business Operations

| Product | Score | Reviews |
|---|---|---|
| **Elasticsearch** | N/A | N/A |
| **Glean** | N/A | N/A |
| **Guru** | 9.0/10 | 106 |

#### Responses

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Personalization** | Not enough data | Not enough data | 9.1 (40 reviews) | 
| **Route To Human** | Not enough data | Not enough data | 9.3 (38 reviews) | 
| **Natural Language Understanding (NLU)** | Not enough data | Not enough data | 8.8 (40 reviews) | 

#### Automation - AI Agents

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Sales Follow-Up** | Not enough data | Not enough data | 8.7 (35 reviews) | 
| **Customer Interaction Automation** | Not enough data | Not enough data | 8.6 (37 reviews) | 
| **Lead Generation** | Not enough data | Not enough data | 8.7 (37 reviews) | 
| **Document Processing** | Not enough data | Not enough data | 8.9 (41 reviews) | 
| **Feedback Collection** | Not enough data | Not enough data | 9.1 (38 reviews) | 

#### Platform

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Conversation Editor** | Not enough data | Not enough data | 9.0 (38 reviews) | 
| **Integration** | Not enough data | Not enough data | 9.3 (41 reviews) | 
| **Human-In-The-Loop** | Not enough data | Not enough data | 9.2 (40 reviews) | 

#### Autonomy -  AI Agents

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Independent Decision Making** | Not enough data | Not enough data | 9.1 (40 reviews) | 
| **Adaptive Responses** | Not enough data | Not enough data | 9.1 (39 reviews) | 
| **Task Execution** | Not enough data | Not enough data | 9.1 (39 reviews) | 
| **Problem Solving** | Not enough data | Not enough data | 9.2 (41 reviews) | 

#### Generative AI

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **AI Text Generation** | Not enough data | Not enough data | 8.8 (41 reviews) | 
| **AI Text Summarization** | Not enough data | Not enough data | 9.0 (39 reviews) | 

### Document Databases

| Product | Score | Reviews |
|---|---|---|
| **Elasticsearch** | 8.9/10 | 32 |
| **Glean** | N/A | N/A |
| **Guru** | N/A | N/A |

#### Data Management

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Data Model** | 9.5 (29 reviews) | Not enough data | Not enough data | 
| **Data Types** | 9.1 (26 reviews) | Not enough data | Not enough data | 
| **Built - In Search** | 9.7 (28 reviews) | Not enough data | Not enough data | 
| **Event Triggers** | 7.9 (26 reviews) | Not enough data | Not enough data | 

#### Availability

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Auto Sharding** | 8.9 (27 reviews) | Not enough data | Not enough data | 
| **Auto Recovery** | 8.9 (27 reviews) | Not enough data | Not enough data | 
| **Data Replication** | 8.8 (27 reviews) | Not enough data | Not enough data | 

#### Performance

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Query Optimization** | 8.9 (25 reviews) | Not enough data | Not enough data | 

#### Security

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Role-Based Authorization** | 9.1 (28 reviews) | Not enough data | Not enough data | 
| **Authentication** | 9.3 (28 reviews) | Not enough data | Not enough data | 
| **Audit Logs** | 8.8 (27 reviews) | Not enough data | Not enough data | 
| **Encryption** | 9.0 (26 reviews) | Not enough data | Not enough data | 

#### Support

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Multi-Model** | 9.0 (26 reviews) | Not enough data | Not enough data | 
| **Operating Systems** | 9.0 (27 reviews) | Not enough data | Not enough data | 
| **BI Connectors** | 7.8 (23 reviews) | Not enough data | Not enough data | 

### Vector Database

| Product | Score | Reviews |
|---|---|---|
| **Elasticsearch** | 9.0/10 | 16 |
| **Glean** | N/A | N/A |
| **Guru** | N/A | N/A |

#### Data Indexing

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Semantic Search** | 8.2 (15 reviews) | Not enough data | Not enough data | 
| **Indexing Data** | 9.3 (16 reviews) | Not enough data | Not enough data | 

#### Filters

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Accurate Search** | 9.4 (14 reviews) | Not enough data | Not enough data | 
| **Single Stage Filtering - Vector Database** | 9.0 (14 reviews) | Not enough data | Not enough data | 

### Generative AI Infrastructure

| Product | Score | Reviews |
|---|---|---|
| **Elasticsearch** | N/A | N/A |
| **Glean** | N/A | N/A |
| **Guru** | N/A | N/A |

#### Scalability and Performance - Generative AI Infrastructure

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **AI High Availability** | Not enough data | Not enough data | Not enough data | 
| **AI Model Training Scalability** | Not enough data | Not enough data | Not enough data | 
| **AI Inference Speed** | Not enough data | Not enough data | Not enough data | 

#### Cost and Efficiency - Generative AI Infrastructure

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **AI Cost per API Call** | Not enough data | Not enough data | Not enough data | 
| **AI Resource Allocation Flexibility** | Not enough data | Not enough data | Not enough data | 
| **AI Energy Efficiency** | Not enough data | Not enough data | Not enough data | 

#### Integration and Extensibility - Generative AI Infrastructure

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **AI Multi-cloud Support** | Not enough data | Not enough data | Not enough data | 
| **AI Data Pipeline Integration** | Not enough data | Not enough data | Not enough data | 
| **AI API Support and Flexibility** | Not enough data | Not enough data | Not enough data | 

#### Security and Compliance - Generative AI Infrastructure

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **AI GDPR and Regulatory Compliance** | Not enough data | Not enough data | Not enough data | 
| **AI Role-based Access Control** | Not enough data | Not enough data | Not enough data | 
| **AI Data Encryption** | Not enough data | Not enough data | Not enough data | 

#### Usability and Support - Generative AI Infrastructure

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **AI Documentation Quality** | Not enough data | Not enough data | Not enough data | 
| **AI Community Activity** | Not enough data | Not enough data | Not enough data | 

### AI Agent Builders

| Product | Score | Reviews |
|---|---|---|
| **Elasticsearch** | N/A | N/A |
| **Glean** | N/A | N/A |
| **Guru** | 10.0/10 | 13 |

#### Customization - AI Agent Builders

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Natural Language Configuration** | Not enough data | Not enough data | 10.0 (5 reviews) | 
| **Tone Customization** | Not enough data | Not enough data | Not enough data | 
| **Security Guardrails** | Not enough data | Not enough data | Not enough data | 

#### Functionality - AI Agent Builders

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Omni-channel Support** | Not enough data | Not enough data | Not enough data | 
| **Agent Branding** | Not enough data | Not enough data | Not enough data | 
| **Proactive Response Capabilities** | Not enough data | Not enough data | 10.0 (5 reviews) | 
| **Seamless Human Escalation** | Not enough data | Not enough data | Not enough data | 

#### Data and Analytics - AI Agent Builders

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Analytics & Reporting** | Not enough data | Not enough data | Not enough data | 
| **Contextual Awareness** | Not enough data | Not enough data | Not enough data | 
| **Data Privacy Compliance** | Not enough data | Not enough data | Not enough data | 

#### Integration - AI Agent Builders

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Workflow Automation** | Not enough data | Not enough data | Not enough data | 
| **API Usage** | Not enough data | Not enough data | Not enough data | 
| **Platform Interoperability** | Not enough data | Not enough data | 10.0 (5 reviews) | 
| **CRM Data Integration** | Not enough data | Not enough data | Not enough data | 

### AI IT Agents

| Product | Score | Reviews |
|---|---|---|
| **Elasticsearch** | N/A | N/A |
| **Glean** | N/A | N/A |
| **Guru** | N/A | N/A |

#### Automation - AI IT Agents

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Document Processing** | Not enough data | Not enough data | Not enough data | 
| **Feedback Collection** | Not enough data | Not enough data | Not enough data | 

#### Autonomy - AI IT Agents

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Adaptive Responses** | Not enough data | Not enough data | Not enough data | 
| **Task Execution** | Not enough data | Not enough data | Not enough data | 
| **Independent Decision Making** | Not enough data | Not enough data | Not enough data | 
| **Problem Solving** | Not enough data | Not enough data | Not enough data | 

#### IT Ticket Management - AI IT Agents

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Ticket Status Updates** | Not enough data | Not enough data | Not enough data | 
| **SLA Monitoring** | Not enough data | Not enough data | Not enough data | 
| **Ticket Categorization** | Not enough data | Not enough data | Not enough data | 
| **Ticket Assignment** | Not enough data | Not enough data | Not enough data | 
| **Automated Ticket Creation** | Not enough data | Not enough data | Not enough data | 

#### IT Support Automation - AI IT Agents

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Knowledge Base Utilization** | Not enough data | Not enough data | Not enough data | 
| **Workflow Automation** | Not enough data | Not enough data | Not enough data | 
| **Real-Time Troubleshooting** | Not enough data | Not enough data | Not enough data | 
| **User Self-Service Assistance** | Not enough data | Not enough data | Not enough data | 
| **Proactive Issue Detection** | Not enough data | Not enough data | Not enough data | 

### Site Search Software

| Product | Score | Reviews |
|---|---|---|
| **Elasticsearch** | 7.5/10 | 18 |
| **Glean** | N/A | N/A |
| **Guru** | N/A | N/A |

#### Agentic AI - Site Search

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Adaptive Learning** | Feature Not Available | Not enough data | Not enough data | 
| **Natural Language Interaction** | Feature Not Available | Not enough data | Not enough data | 
| **Proactive Assistance** | Feature Not Available | Not enough data | Not enough data | 
| **Decision Making** | Feature Not Available | Not enough data | Not enough data | 

#### Search Experience Management - Site Search

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Query Suggestions** | 8.6 (17 reviews) | Not enough data | Not enough data | 
| **Typo Tolerance** | 8.2 (17 reviews) | Not enough data | Not enough data | 
| **Synonyms** | 7.9 (16 reviews) | Not enough data | Not enough data | 
| **Natural Language** | 7.2 (16 reviews) | Not enough data | Not enough data | 
| **Rankings** | 8.3 (16 reviews) | Not enough data | Not enough data | 
| **Personalization** | 6.9 (16 reviews) | Not enough data | Not enough data | 

#### Functionality - Site Search

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Search Analytics** | 7.9 (17 reviews) | Not enough data | Not enough data | 
| **Integrations** | 8.1 (17 reviews) | Not enough data | Not enough data | 
| **Federated Search** | 7.9 (17 reviews) | Not enough data | Not enough data | 
| **Multi-Language Support** | 7.1 (16 reviews) | Not enough data | Not enough data | 

#### Generative AI - Site Search

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Text Generation** | 6.1 (16 reviews) | Not enough data | Not enough data | 
| **Text Summarization** | 6.3 (16 reviews) | Not enough data | Not enough data | 

### AI Search & Retrieval Infrastructure Platforms

| Product | Score | Reviews |
|---|---|---|
| **Elasticsearch** | N/A | N/A |
| **Glean** | N/A | N/A |
| **Guru** | N/A | N/A |

#### Retrieval intelligence - AI Search & Retrieval Infrastructure Platforms

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Advanced relevance tuning** | Not enough data | Not enough data | Not enough data | 
| **Query understanding & expansion** | Not enough data | Not enough data | Not enough data | 
| **Multistage retrieval & re-ranking** | Not enough data | Not enough data | Not enough data | 
| **Context-aware & personalized search** | Not enough data | Not enough data | Not enough data | 

#### Embedding & model management - AI Search & Retrieval Infrastructure Platforms

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Embedding versioning & lifecycle management** | Not enough data | Not enough data | Not enough data | 
| **Multimodal search support** | Not enough data | Not enough data | Not enough data | 
| **Pluggable embedding & LLM providers** | Not enough data | Not enough data | Not enough data | 

#### LLM retrieval & RAG optimization - AI Search & Retrieval Infrastructure Platforms

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Retrieval pipeline orchestration** | Not enough data | Not enough data | Not enough data | 
| **LLM-aware retrieval optimization** | Not enough data | Not enough data | Not enough data | 
| **Hybrid retrieval strategy optimization** | Not enough data | Not enough data | Not enough data | 

#### Data Enrichment & Index Intelligence - AI Search & Retrieval Infrastructure Platforms

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Incremental & streaming index updates** | Not enough data | Not enough data | Not enough data | 
| **Built-in data enrichment** | Not enough data | Not enough data | Not enough data | 

#### Security & governance - AI Search & Retrieval Infrastructure Platforms

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Fine-grained access controls** | Not enough data | Not enough data | Not enough data | 
| **Data residency & retention policies** | Not enough data | Not enough data | Not enough data | 
| **Audit logs & retrieval traceability** | Not enough data | Not enough data | Not enough data | 

#### Operations, observability & reliability - AI Search & Retrieval Infrastructure Platforms

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Search analytics & relevance debugging** | Not enough data | Not enough data | Not enough data | 
| **High availability & disaster recovery** | Not enough data | Not enough data | Not enough data | 

### AI Search  and Discovery Platforms

| Product | Score | Reviews |
|---|---|---|
| **Elasticsearch** | N/A | N/A |
| **Glean** | N/A | N/A |
| **Guru** | N/A | N/A |

#### Semantic Search & Query Understanding - AI Search and Discovery Platforms

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Intent aware search** | Not enough data | Not enough data | Not enough data | 
| **Context aware query handling** | Not enough data | Not enough data | Not enough data | 
| **Natural language query support** | Not enough data | Not enough data | Not enough data | 

#### Data Indexing - AI Search and Discovery Platforms

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Multi system indexing** | Not enough data | Not enough data | Not enough data | 
| **Multi format indexing** | Not enough data | Not enough data | Not enough data | 
| **Automatic index updates** | Not enough data | Not enough data | Not enough data | 

#### Search Result Relevance - AI Search and Discovery Platforms

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Relevance-based ranking** | Not enough data | Not enough data | Not enough data | 
| **Search relevance configuration** | Not enough data | Not enough data | Not enough data | 
| **Behavioral result improvement** | Not enough data | Not enough data | Not enough data | 

#### Personalization & Recommendations - AI Search and Discovery Platforms

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **User based result personalization** | Not enough data | Not enough data | Not enough data | 
| **Behavior driven recommendations** | Not enough data | Not enough data | Not enough data | 
| **Contextual content recommendations** | Not enough data | Not enough data | Not enough data | 

### Knowledge Management

| Product | Score | Reviews |
|---|---|---|
| **Elasticsearch** | N/A | N/A |
| **Glean** | N/A | N/A |
| **Guru** | N/A | N/A |

#### Knowledge Base

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Q & A** | Not enough data | Not enough data | Not enough data | 
| **Link Sharing** | Not enough data | Not enough data | Not enough data | 
| **Searchable** | Not enough data | Not enough data | Not enough data | 

#### Security

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Verification** | Not enough data | Not enough data | Not enough data | 
| **Role-Based Permission** | Not enough data | Not enough data | Not enough data | 
| **Public vs Private** | Not enough data | Not enough data | Not enough data | 

#### Content

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Trackable Analytics** | Not enough data | Not enough data | Not enough data | 
| **Import** | Not enough data | Not enough data | Not enough data | 
| **File Viewing** | Not enough data | Not enough data | Not enough data | 
| **Update Notifications** | Not enough data | Not enough data | Not enough data | 

#### Communication

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Social Features** | Not enough data | Not enough data | Not enough data | 
| **Tagging ** | Not enough data | Not enough data | Not enough data | 
| **Upload ** | Not enough data | Not enough data | Not enough data | 
| **Comments** | Not enough data | Not enough data | Not enough data | 

### AI Agents

| Product | Score | Reviews |
|---|---|---|
| **Elasticsearch** | N/A | N/A |
| **Glean** | N/A | N/A |
| **Guru** | N/A | N/A |

#### Agentic AI - AI Agents

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | 
| **Multi-step Planning** | Not enough data | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | Not enough data | 
| **Adaptive Learning** | Not enough data | Not enough data | Not enough data | 
| **Natural Language Interaction** | Not enough data | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | Not enough data | 

### NoSQL Databases

| Product | Score | Reviews |
|---|---|---|
| **Elasticsearch** | N/A | N/A |
| **Glean** | N/A | N/A |
| **Guru** | N/A | N/A |

#### Database Features

| Feature | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Storage** | Not enough data | Not enough data | Not enough data | 
| **Availability** | Not enough data | Not enough data | Not enough data | 
| **Stability** | Not enough data | Not enough data | Not enough data | 
| **Scalability** | Not enough data | Not enough data | Not enough data | 
| **Security** | Not enough data | Not enough data | Not enough data | 
| **Data Manipulation** | Not enough data | Not enough data | Not enough data | 
| **Query Language** | Not enough data | Not enough data | Not enough data | 

---
## Categories
**Shared Categories (1):** [Enterprise Search Software](https://www.g2.com/categories/enterprise-search-software)

**Unique to Elasticsearch (7):** [Site Search Software](https://www.g2.com/categories/site-search-software), [Generative AI Infrastructure Software](https://www.g2.com/categories/generative-ai-infrastructure), [Vector Database Software](https://www.g2.com/categories/vector-database), [Insight Engines Software](https://www.g2.com/categories/insight-engines), [Document Databases](https://www.g2.com/categories/document-databases), [ AI Search  and Discovery Platforms Software](https://www.g2.com/categories/ai-search-and-discovery-platforms), [ AI Search & Retrieval Infrastructure Platforms Software](https://www.g2.com/categories/ai-search-retrieval-infrastructure-platforms)

**Unique to Glean (3):** [ AI Agent Builders Software](https://www.g2.com/categories/ai-agent-builders), [AI IT Agents Software](https://www.g2.com/categories/ai-it-agents), [AI Agents For Business Operations](https://www.g2.com/categories/ai-agents-for-business-operations)

**Unique to Guru (6):** [Knowledge Base Software](https://www.g2.com/categories/knowledge-base-software), [AI Agents For Business Operations](https://www.g2.com/categories/ai-agents-for-business-operations), [Contact Center Knowledge Base Software](https://www.g2.com/categories/contact-center-knowledge-base), [Insight Engines Software](https://www.g2.com/categories/insight-engines), [ AI Agent Builders Software](https://www.g2.com/categories/ai-agent-builders), [AI IT Agents Software](https://www.g2.com/categories/ai-it-agents)


---
## Reviewer Demographics

### By Company Size

| Segment | Elasticsearch | Glean | Guru | 
|---|---|---|---|
| **Small-Business** | 30.3% | 3.9% | 14.2% | 
| **Mid-Market** | 36.6% | 43.5% | 56.4% | 
| **Enterprise** | 33.1% | 52.6% | 29.4% | 

### By Industry

#### Elasticsearch

- **Information Technology and Services:** 15.4%
- **Computer Software:** 15.4%
- **Financial Services:** 7.0%
- **Telecommunications:** 6.3%
- **Internet:** 4.9%
- **Higher Education:** 3.5%
- **Banking:** 3.5%
- **Marketing and Advertising:** 2.8%
- **Insurance:** 2.5%
- **Retail:** 2.1%
- **Other:** 36.5%

#### Glean

- **Computer Software:** 47.6%
- **Information Technology and Services:** 25.2%
- **Financial Services:** 6.8%
- **Computer & Network Security:** 4.1%
- **Automotive:** 2.7%
- **Retail:** 1.4%
- **Marketing and Advertising:** 1.4%
- **Computer Games:** 1.4%
- **Consumer Services:** 1.4%
- **Civic & Social Organization:** 0.7%
- **Other:** 7.5%

#### Guru

- **Computer Software:** 14.4%
- **Information Technology and Services:** 10.6%
- **Consumer Services:** 8.9%
- **Internet:** 6.5%
- **Financial Services:** 6.2%
- **Health, Wellness and Fitness:** 5.7%
- **Marketing and Advertising:** 4.6%
- **Outsourcing/Offshoring:** 3.3%
- **Leisure, Travel & Tourism:** 2.7%
- **Telecommunications:** 2.7%
- **Other:** 34.5%

---
## Alternatives

### Alternatives to Elasticsearch

- [Algolia](https://www.g2.com/products/algolia/reviews) — 4.5/5 stars (451 reviews)
- [Coveo](https://www.g2.com/products/coveo/reviews) — 4.3/5 stars (142 reviews)
- [Yext](https://www.g2.com/products/yext/reviews) — 4.4/5 stars (1121 reviews)
- [Bloomreach](https://www.g2.com/products/bloomreach-bloomreach/reviews) — 4.6/5 stars (764 reviews)
- [Luigi's Box](https://www.g2.com/products/luigi-s-box/reviews) — 4.8/5 stars (425 reviews)
- [Doofinder](https://www.g2.com/products/doofinder/reviews) — 4.7/5 stars (494 reviews)
- [GoLinks](https://www.g2.com/products/golinks/reviews) — 4.7/5 stars (806 reviews)
- [MongoDB](https://www.g2.com/products/mongodb/reviews) — 4.5/5 stars (557 reviews)
- [Notion](https://www.g2.com/products/notion/reviews) — 4.6/5 stars (11895 reviews)
- [Databricks](https://www.g2.com/products/databricks/reviews) — 4.6/5 stars (782 reviews)

### Alternatives to Glean

- [Notion](https://www.g2.com/products/notion/reviews) — 4.6/5 stars (11895 reviews)
- [Coveo](https://www.g2.com/products/coveo/reviews) — 4.3/5 stars (142 reviews)
- [Hebbia AI](https://www.g2.com/products/hebbia-ai-2026-02-24/reviews) — 4.3/5 stars (11 reviews)
- [Kore.AI](https://www.g2.com/products/kore-ai/reviews) — 4.6/5 stars (474 reviews)
- [Yext](https://www.g2.com/products/yext/reviews) — 4.4/5 stars (1121 reviews)
- [GoLinks](https://www.g2.com/products/golinks/reviews) — 4.7/5 stars (806 reviews)
- [Bloomreach](https://www.g2.com/products/bloomreach-bloomreach/reviews) — 4.6/5 stars (764 reviews)
- [Slack](https://www.g2.com/products/slack/reviews) — 4.5/5 stars (39046 reviews)
- [Zendesk for Customer Service](https://www.g2.com/products/zendesk-for-customer-service/reviews) — 4.3/5 stars (6943 reviews)
- [ClickUp](https://www.g2.com/products/clickup/reviews) — 4.6/5 stars (12423 reviews)

### Alternatives to Guru

- [Notion](https://www.g2.com/products/notion/reviews) — 4.6/5 stars (11895 reviews)
- [ClickUp](https://www.g2.com/products/clickup/reviews) — 4.6/5 stars (12423 reviews)
- [Bloomfire](https://www.g2.com/products/bloomfire/reviews) — 4.6/5 stars (513 reviews)
- [Document360](https://www.g2.com/products/document360/reviews) — 4.7/5 stars (516 reviews)
- [Confluence](https://www.g2.com/products/confluence/reviews) — 4.1/5 stars (4352 reviews)
- [Stack Overflow Internal](https://www.g2.com/products/stack-overflow-internal/reviews) — 4.5/5 stars (792 reviews)
- [Slack](https://www.g2.com/products/slack/reviews) — 4.5/5 stars (39046 reviews)
- [Slab](https://www.g2.com/products/slab/reviews) — 4.6/5 stars (309 reviews)
- [Yext](https://www.g2.com/products/yext/reviews) — 4.4/5 stars (1121 reviews)
- [Zendesk for Customer Service](https://www.g2.com/products/zendesk-for-customer-service/reviews) — 4.3/5 stars (6943 reviews)

---
## Top Discussions

### Elasticsearch

No discussions available for this product.

### Glean

No discussions available for this product.

### Guru

- Title: [What does Guru do?](https://www.g2.com/discussions/what-does-guru-do) — 3 comments
  > **Top comment:** "Guru is an all-in-one tool that brings everyone on your teams together and puts all your information in one place: right in your workflow."
- Title: [Do we have any mobile app for Guru?](https://www.g2.com/discussions/34530-do-we-have-any-mobile-app-for-guru) — 3 comments, 2 upvotes
  > **Top comment:** "No there is not, however the Web app does scale to phones"
- Title: [What is Guru platform?](https://www.g2.com/discussions/guru-what-is-guru-platform) — 2 comments
  > **Top comment:** "Guru is a company wiki that works in your workflow, so the information you need to do your job is always at your fingertips. You can learn more here:..."
- Title: [What's the best way to memorize info on Guru and apply for everyday situations?](https://www.g2.com/discussions/what-s-the-best-way-to-memorize-info-on-guru-and-apply-for-everyday-situations) — 2 comments, 1 upvote
  > **Top comment:** "The best way to memorize info is... to not have to memorize it at all! Because so many things in a business change daily, Guru is designed to allow you to..."
- Title: [We're plateau-ing with content contribution. Need ideas.](https://www.g2.com/discussions/50469-we-re-plateau-ing-with-content-contribution-need-ideas) — 2 comments, 1 upvote
  > **Top comment:** "We encourage our reps to use the "ask an expert" feature and anytime a question is answered, we save the Q&A as a card under a collection board names "FAQs"..."

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/elastic-elasticsearch-vs-glean-technologies-glean-vs-guru)