# Keras, Microsoft Cognitive Toolkit (Formerly CNTK) vs Weka Comparison

| | Keras | Microsoft Cognitive Toolkit (Formerly CNTK) | Weka | 
|---|---|---|---|
| **Star Rating** | 4.6 out of 5 | 4.2 out of 5 | 4.3 out of 5 | 
| **Total Reviews** | 65 | 22 | 13 | 
| **Largest Market Segment** | Small-Business (39.1% of reviews) | Enterprise (68.2% of reviews) | Enterprise (76.9% of reviews) | 
| **Entry Level Price** | No pricing available | No pricing available | No pricing available | 

---
## Top Pros & Cons

### Keras

**Not enough data**

### Microsoft Cognitive Toolkit (Formerly CNTK)

Pros:
- Workflow Efficiency (1 reviews)

Cons:
- Complexity Issues (1 reviews)
- Learning Curve (1 reviews)

### Weka

**Not enough data**

---
## Ratings Comparison
| Rating | Keras | Microsoft Cognitive Toolkit (Formerly CNTK) | Weka | 
|---|---|---|---|
  | **Meets Requirements** | 8.9 (51 reviews) | 8.7 (18 reviews) | 8.9 (12 reviews) | 
  | **Ease of Use** | 8.9 (51 reviews) | 8.0 (18 reviews) | 8.2 (12 reviews) | 
  | **Ease of Setup** | 8.7 (25 reviews) | 8.4 (15 reviews) | 8.8 (11 reviews) | 
  | **Ease of Admin** | 7.8 (20 reviews) | 8.8 (14 reviews) | 9.0 (10 reviews) | 
  | **Quality of Support** | 7.8 (42 reviews) | 8.1 (18 reviews) | 7.9 (8 reviews) | 
  | **Has the product been a good partner in doing business?** | 8.2 (17 reviews) | 8.9 (15 reviews) | 8.1 (9 reviews) | 
  | **Product Direction (% positive)** | 9.3 (49 reviews) | 7.9 (17 reviews) | 7.1 (12 reviews) | 

---
## Pricing

### Keras

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### Microsoft Cognitive Toolkit (Formerly CNTK)

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### Weka

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

---
## Features Comparison By Category

### Generative AI Infrastructure

| Product | Score | Reviews |
|---|---|---|
| **Keras** | N/A | N/A |
| **Microsoft Cognitive Toolkit (Formerly CNTK)** | N/A | N/A |
| **Weka** | N/A | N/A |

#### Scalability and Performance - Generative AI Infrastructure

| Feature | Keras | Microsoft Cognitive Toolkit (Formerly CNTK) | Weka | 
|---|---|---|---|
| **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 | Keras | Microsoft Cognitive Toolkit (Formerly CNTK) | Weka | 
|---|---|---|---|
| **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 | Keras | Microsoft Cognitive Toolkit (Formerly CNTK) | Weka | 
|---|---|---|---|
| **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 | Keras | Microsoft Cognitive Toolkit (Formerly CNTK) | Weka | 
|---|---|---|---|
| **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 | Keras | Microsoft Cognitive Toolkit (Formerly CNTK) | Weka | 
|---|---|---|---|
| **AI Documentation Quality** | Not enough data | Not enough data | Not enough data | 
| **AI Community Activity** | Not enough data | Not enough data | Not enough data | 

### Artificial Neural Network

| Product | Score | Reviews |
|---|---|---|
| **Keras** | N/A | N/A |
| **Microsoft Cognitive Toolkit (Formerly CNTK)** | N/A | N/A |
| **Weka** | N/A | N/A |

#### Core Functionality - Artificial Neural Network

| Feature | Keras | Microsoft Cognitive Toolkit (Formerly CNTK) | Weka | 
|---|---|---|---|
| **Neural Network Training** | Not enough data | Not enough data | Not enough data | 
| **Neural Network Testing** | Not enough data | Not enough data | Not enough data | 
| **Model Evaluation** | Not enough data | Not enough data | Not enough data | 
| **Compliance** | Not enough data | Not enough data | Not enough data | 

#### Data Handling - Artificial Neural Network

| Feature | Keras | Microsoft Cognitive Toolkit (Formerly CNTK) | Weka | 
|---|---|---|---|
| **Data Integration** | Not enough data | Not enough data | Not enough data | 
| **Data Preprocessing** | Not enough data | Not enough data | Not enough data | 

#### Performance - Artificial Neural Network

| Feature | Keras | Microsoft Cognitive Toolkit (Formerly CNTK) | Weka | 
|---|---|---|---|
| **Model Optimization** | Not enough data | Not enough data | Not enough data | 
| **Scalability** | Not enough data | Not enough data | Not enough data | 

#### Usability - Artificial Neural Network

| Feature | Keras | Microsoft Cognitive Toolkit (Formerly CNTK) | Weka | 
|---|---|---|---|
| **User Interface** | Not enough data | Not enough data | Not enough data | 
| **Documentation & Support** | Not enough data | Not enough data | Not enough data | 
| **Customizability** | Not enough data | Not enough data | Not enough data | 

#### Advanced Features - Artificial Neural Network

| Feature | Keras | Microsoft Cognitive Toolkit (Formerly CNTK) | Weka | 
|---|---|---|---|
| **Deep Learning Capabilities** | Not enough data | Not enough data | Not enough data | 
| **Transfer Learning** | Not enough data | Not enough data | Not enough data | 
| **Real-Time Processing** | Not enough data | Not enough data | Not enough data | 
| **Automated Model Tuning** | Not enough data | Not enough data | Not enough data | 
| **Visualization Tools** | Not enough data | Not enough data | Not enough data | 

#### Agentic AI - Artificial Neural Network

| Feature | Keras | Microsoft Cognitive Toolkit (Formerly CNTK) | Weka | 
|---|---|---|---|
| **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 | 

### Machine Learning

| Product | Score | Reviews |
|---|---|---|
| **Keras** | N/A | N/A |
| **Microsoft Cognitive Toolkit (Formerly CNTK)** | N/A | N/A |
| **Weka** | N/A | N/A |

#### Integration - Machine Learning

| Feature | Keras | Microsoft Cognitive Toolkit (Formerly CNTK) | Weka | 
|---|---|---|---|
| **Integration** | Not enough data | Not enough data | Not enough data | 

#### Learning - Machine Learning

| Feature | Keras | Microsoft Cognitive Toolkit (Formerly CNTK) | Weka | 
|---|---|---|---|
| **Training Data** | Not enough data | Not enough data | Not enough data | 
| **Actionable Insights** | Not enough data | Not enough data | Not enough data | 
| **Algorithm** | Not enough data | Not enough data | Not enough data | 

---
## Categories

**Unique to Keras (1):** [Artificial Neural Network Software](https://www.g2.com/categories/artificial-neural-network)

**Unique to Microsoft Cognitive Toolkit (Formerly CNTK) (2):** [Artificial Neural Network Software](https://www.g2.com/categories/artificial-neural-network), [Generative AI Infrastructure Software](https://www.g2.com/categories/generative-ai-infrastructure)

**Unique to Weka (1):** [Machine Learning Software](https://www.g2.com/categories/machine-learning)


---
## Reviewer Demographics

### By Company Size

| Segment | Keras | Microsoft Cognitive Toolkit (Formerly CNTK) | Weka | 
|---|---|---|---|
| **Small-Business** | 39.1% | 27.3% | 0% | 
| **Mid-Market** | 31.3% | 4.5% | 23.1% | 
| **Enterprise** | 29.7% | 68.2% | 76.9% | 

### By Industry

#### Keras

- **Computer Software:** 20.3%
- **Information Technology and Services:** 17.2%
- **Research:** 14.1%
- **Telecommunications:** 7.8%
- **Education Management:** 4.7%
- **Higher Education:** 4.7%
- **Information Services:** 4.7%
- **Internet:** 3.1%
- **Health, Wellness and Fitness:** 3.1%
- **Consumer Electronics:** 3.1%
- **Other:** 17.2%

#### Microsoft Cognitive Toolkit (Formerly CNTK)

- **Computer Software:** 31.8%
- **Information Technology and Services:** 22.7%
- **Warehousing:** 4.5%
- **Semiconductors:** 4.5%
- **Publishing:** 4.5%
- **Medical Devices:** 4.5%
- **Law Practice:** 4.5%
- **Education Management:** 4.5%
- **Computer & Network Security:** 4.5%
- **Biotechnology:** 4.5%
- **Other:** 9.1%

#### Weka

- **Higher Education:** 30.8%
- **Information Technology and Services:** 15.4%
- **Research:** 7.7%
- **Real Estate:** 7.7%
- **Management Consulting:** 7.7%
- **Education Management:** 7.7%
- **Design:** 7.7%
- **Computer Software:** 7.7%
- **Computer & Network Security:** 7.7%

---
## Alternatives

### Alternatives to Keras

- [TFLearn](https://www.g2.com/products/tflearn/reviews) — 4.0/5 stars (20 reviews)
- [NVIDIA Deep Learning GPU Training System (DIGITS)](https://www.g2.com/products/nvidia-deep-learning-gpu-training-system-digits/reviews) — 4.5/5 stars (23 reviews)
- [Knet](https://www.g2.com/products/knet/reviews) — 4.3/5 stars (12 reviews)
- [DeepPy](https://www.g2.com/products/deeppy/reviews) — 4.1/5 stars (12 reviews)
- [Torch](https://www.g2.com/products/torch/reviews) — 4.4/5 stars (15 reviews)
- [Chainer](https://www.g2.com/products/chainer/reviews) — 4.3/5 stars (11 reviews)
- [Merlin](https://www.g2.com/products/merlin/reviews) — 3.6/5 stars (10 reviews)
- [RustNN](https://www.g2.com/products/rustnn/reviews) — 3.3/5 stars (2 reviews)
- [Darknet](https://www.g2.com/products/darknet/reviews) — 4.8/5 stars (3 reviews)
- [Google Cloud Deep Learning Containers](https://www.g2.com/products/google-cloud-deep-learning-containers/reviews) — 4.5/5 stars (21 reviews)

### Alternatives to Microsoft Cognitive Toolkit (Formerly CNTK)

- [Fullstory](https://www.g2.com/products/fullstory/reviews) — 4.5/5 stars (1049 reviews)
- [Databricks](https://www.g2.com/products/databricks/reviews) — 4.6/5 stars (782 reviews)
- [Workato](https://www.g2.com/products/workato/reviews) — 4.7/5 stars (755 reviews)
- [Gemini Enterprise Agent Platform](https://www.g2.com/products/gemini-enterprise-agent-platform/reviews) — 4.3/5 stars (657 reviews)
- [Altair AI Studio](https://www.g2.com/products/rapidminer-studio/reviews) — 4.6/5 stars (516 reviews)
- [Botpress](https://www.g2.com/products/botpress/reviews) — 4.5/5 stars (492 reviews)
- [Saturn Cloud](https://www.g2.com/products/saturn-cloud-saturn-cloud/reviews) — 4.8/5 stars (320 reviews)
- [Elasticsearch](https://www.g2.com/products/elastic-elasticsearch/reviews) — 4.5/5 stars (292 reviews)
- [Zoom AI Companion](https://www.g2.com/products/zoom-ai-companion/reviews) — 4.6/5 stars (290 reviews)
- [Dataiku](https://www.g2.com/products/dataiku/reviews) — 4.4/5 stars (198 reviews)

### Alternatives to Weka

- [scikit-learn](https://www.g2.com/products/scikit-learn/reviews) — 4.8/5 stars (60 reviews)
- [machine-learning in Python](https://www.g2.com/products/machine-learning-in-python/reviews) — 4.6/5 stars (50 reviews)
- [XGBoost](https://www.g2.com/products/xgboost/reviews) — 4.4/5 stars (13 reviews)
- [Dataiku](https://www.g2.com/products/dataiku/reviews) — 4.4/5 stars (198 reviews)
- [Alteryx](https://www.g2.com/products/alteryx/reviews) — 4.6/5 stars (810 reviews)
- [Gemini Enterprise Agent Platform](https://www.g2.com/products/gemini-enterprise-agent-platform/reviews) — 4.3/5 stars (657 reviews)
- [SAS Viya](https://www.g2.com/products/sas-sas-viya/reviews) — 4.3/5 stars (798 reviews)
- [SAP HANA Cloud](https://www.g2.com/products/sap-hana-cloud-2025-10-01/reviews) — 4.3/5 stars (621 reviews)
- [Automation Anywhere Agentic Process Automation](https://www.g2.com/products/automation-anywhere-agentic-process-automation/reviews) — 4.5/5 stars (5561 reviews)
- [Demandbase One](https://www.g2.com/products/demandbase-one/reviews) — 4.4/5 stars (1947 reviews)

---
## Top Discussions

### Keras

No discussions available for this product.

### Microsoft Cognitive Toolkit (Formerly CNTK)

- Title: [Is CNTK dead?](https://www.g2.com/discussions/is-cntk-dead) — 1 comment
  > **Top comment:** "No Its working currently my project is using the image detection lib"

### Weka

No discussions available for this product.

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/keras-vs-microsoft-cognitive-toolkit-formerly-cntk-vs-weka)