# Stanford CoreNLP, openNLP vs Google Cloud Natural Language API Comparison | | Stanford CoreNLP | openNLP | Google Cloud Natural Language API | |---|---|---|---| | **Star Rating** | 4.3 out of 5 | 4.0 out of 5 | 4.3 out of 5 | | **Total Reviews** | 10 | 11 | 98 | | **Largest Market Segment** | Small-Business (60.0% of reviews) | Small-Business (63.6% of reviews) | Small-Business (55.1% of reviews) | | **Entry Level Price** | No pricing available | No pricing available | Free Per Month | --- ## Top Pros & Cons ### Stanford CoreNLP **Not enough data** ### openNLP **Not enough data** ### Google Cloud Natural Language API Pros: - Application Development (1 reviews) - Cloud Computing (1 reviews) Cons: - Not User-Friendly (1 reviews) --- ## Ratings Comparison | Rating | Stanford CoreNLP | openNLP | Google Cloud Natural Language API | |---|---|---|---| | **Meets Requirements** | 9.2 (10 reviews) | 8.3 (9 reviews) | 8.7 (89 reviews) | | **Ease of Use** | 8.3 (10 reviews) | 8.3 (9 reviews) | 8.8 (91 reviews) | | **Ease of Setup** | 8.5 (10 reviews) | Not enough data | 8.5 (33 reviews) | | **Ease of Admin** | 8.1 (6 reviews) | Not enough data | 8.8 (23 reviews) | | **Quality of Support** | 6.7 (6 reviews) | 7.0 (9 reviews) | 8.7 (85 reviews) | | **Has the product been a good partner in doing business?** | Not enough data | Not enough data | 8.3 (24 reviews) | | **Product Direction (% positive)** | 5.3 (10 reviews) | 7.4 (9 reviews) | 9.3 (89 reviews) | --- ## Pricing ### Stanford CoreNLP #### Entry-Level Pricing No pricing available #### Free Trial No information available ### openNLP #### Entry-Level Pricing No pricing available #### Free Trial No information available ### Google Cloud Natural Language API #### Entry-Level Pricing Plan: Free Price: Free Per Month Key Features: - All customers get 5,000 units for analyzing unstructured text free per month, not charged against your credits. - New customers get $300 in free credits to spend on Natural Language. [Browse all 2 editions](https://www.g2.com/products/google-cloud-natural-language-api/pricing) #### Free Trial Yes --- ## Features Comparison By Category ### Natural Language Understanding (NLU) | Product | Score | Reviews | |---|---|---| | **Stanford CoreNLP** | N/A | N/A | | **openNLP** | N/A | N/A | | **Google Cloud Natural Language API** | 8.5/10 | 49 | #### Algorithm | Feature | Stanford CoreNLP | openNLP | Google Cloud Natural Language API | |---|---|---|---| | **Part of Speech Tagging** | Not enough data | Not enough data | 8.6 (45 reviews) | | **Summarization** | Not enough data | Not enough data | 8.6 (47 reviews) | | **Named Entity Recognition** | Not enough data | Not enough data | 8.7 (46 reviews) | | **Sentiment Analysis** | Not enough data | Not enough data | 9.0 (47 reviews) | | **Emotion Detection** | Not enough data | Not enough data | 8.2 (47 reviews) | | **Language Detection** | Not enough data | Not enough data | 8.9 (48 reviews) | #### System | Feature | Stanford CoreNLP | openNLP | Google Cloud Natural Language API | |---|---|---|---| | **Data Ingestion & Wrangling** | Not enough data | Not enough data | 8.6 (46 reviews) | | **Programming Language Support** | Not enough data | Not enough data | 8.8 (48 reviews) | | **Drag and Drop** | Not enough data | Not enough data | 8.0 (45 reviews) | | **Pre-Built Algorithms** | Not enough data | Not enough data | 8.5 (46 reviews) | | **Customizable Models** | Not enough data | Not enough data | 7.7 (44 reviews) | ### Text Analysis | Product | Score | Reviews | |---|---|---| | **Stanford CoreNLP** | N/A | N/A | | **openNLP** | N/A | N/A | | **Google Cloud Natural Language API** | 8.7/10 | 60 | #### Setup | Feature | Stanford CoreNLP | openNLP | Google Cloud Natural Language API | |---|---|---|---| | **Integration** | Not enough data | Not enough data | 8.5 (59 reviews) | | **Maintenance** | Not enough data | Not enough data | 8.1 (55 reviews) | | **No-Code** | Not enough data | Not enough data | 8.4 (55 reviews) | #### Data | Feature | Stanford CoreNLP | openNLP | Google Cloud Natural Language API | |---|---|---|---| | **Security** | Not enough data | Not enough data | 8.8 (55 reviews) | | **Data Visualization** | Not enough data | Not enough data | 8.5 (54 reviews) | #### Analysis | Feature | Stanford CoreNLP | openNLP | Google Cloud Natural Language API | |---|---|---|---| | **Automation** | Not enough data | Not enough data | 8.9 (52 reviews) | | **Named entity recognition** | Not enough data | Not enough data | 9.1 (52 reviews) | | **Keyphrase Extraction** | Not enough data | Not enough data | 9.0 (51 reviews) | | **Topic Analysis** | Not enough data | Not enough data | 9.0 (49 reviews) | | **Sentiment Analysis** | Not enough data | Not enough data | 8.8 (52 reviews) | | **Language Identification** | Not enough data | Not enough data | 8.9 (52 reviews) | | **Syntax/Part of Speech Parsing** | Not enough data | Not enough data | 8.8 (46 reviews) | #### Customization | Feature | Stanford CoreNLP | openNLP | Google Cloud Natural Language API | |---|---|---|---| | **Pre-Built Parameterization** | Not enough data | Not enough data | 8.3 (48 reviews) | | **Custom Extension** | Not enough data | Not enough data | 8.7 (46 reviews) | | **Compositionality** | Not enough data | Not enough data | 8.8 (47 reviews) | #### Generative AI | Feature | Stanford CoreNLP | openNLP | Google Cloud Natural Language API | |---|---|---|---| | **AI Text Generation** | Not enough data | Not enough data | 8.6 (43 reviews) | | **AI Text Summarization** | Not enough data | Not enough data | 8.9 (41 reviews) | --- ## Categories **Shared Categories (1):** [Natural Language Understanding (NLU) Software](https://www.g2.com/categories/natural-language-understanding-nlu) **Unique to Google Cloud Natural Language API (1):** [Text Analysis Software](https://www.g2.com/categories/text-analysis) --- ## Reviewer Demographics ### By Company Size | Segment | Stanford CoreNLP | openNLP | Google Cloud Natural Language API | |---|---|---|---| | **Small-Business** | 60.0% | 63.6% | 55.1% | | **Mid-Market** | 20.0% | 18.2% | 21.4% | | **Enterprise** | 20.0% | 18.2% | 23.5% | ### By Industry #### Stanford CoreNLP - **Retail:** 10.0% - **Research:** 10.0% - **Public Policy:** 10.0% - **Online Media:** 10.0% - **Management Consulting:** 10.0% - **Internet:** 10.0% - **Information Technology and Services:** 10.0% - **E-Learning:** 10.0% - **Computer Software:** 10.0% - **Civic & Social Organization:** 10.0% #### openNLP - **Higher Education:** 18.2% - **Computer Software:** 18.2% - **Warehousing:** 9.1% - **Venture Capital & Private Equity:** 9.1% - **Printing:** 9.1% - **Oil & Energy:** 9.1% - **Information Technology and Services:** 9.1% - **Education Management:** 9.1% - **Accounting:** 9.1% #### Google Cloud Natural Language API - **Computer Software:** 20.4% - **Information Technology and Services:** 19.4% - **Education Management:** 6.1% - **Computer & Network Security:** 4.1% - **Telecommunications:** 4.1% - **Retail:** 4.1% - **Information Services:** 4.1% - **Banking:** 3.1% - **Consulting:** 3.1% - **Program Development:** 3.1% - **Other:** 28.6% --- ## Alternatives ### Alternatives to Stanford CoreNLP - [NLTK](https://www.g2.com/products/nltk/reviews) — 4.4/5 stars (48 reviews) - [Google Cloud Translation API](https://www.g2.com/products/google-cloud-translation-api/reviews) — 4.4/5 stars (329 reviews) - [InMoment Experience Improvement (XI) Platform](https://www.g2.com/products/inmoment-experience-improvement-xi-platform/reviews) — 4.7/5 stars (319 reviews) - [Amazon Comprehend](https://www.g2.com/products/amazon-comprehend/reviews) — 4.2/5 stars (72 reviews) - [Claude](https://www.g2.com/products/claude-2025-12-11/reviews) — 4.6/5 stars (294 reviews) - [Level AI](https://www.g2.com/products/level-ai/reviews) — 4.7/5 stars (199 reviews) - [GlobalLink](https://www.g2.com/products/globallink/reviews) — 4.5/5 stars (186 reviews) - [Azure AI Language](https://www.g2.com/products/azure-ai-language/reviews) — 4.3/5 stars (77 reviews) - [Tungsten TotalAgility](https://www.g2.com/products/tungsten-totalagility/reviews) — 4.3/5 stars (55 reviews) - [scite.ai](https://www.g2.com/products/scite-ai/reviews) — 4.7/5 stars (27 reviews) ### Alternatives to openNLP - [NLTK](https://www.g2.com/products/nltk/reviews) — 4.4/5 stars (48 reviews) - [Amazon Comprehend](https://www.g2.com/products/amazon-comprehend/reviews) — 4.2/5 stars (72 reviews) - [Google Cloud Translation API](https://www.g2.com/products/google-cloud-translation-api/reviews) — 4.4/5 stars (329 reviews) - [InMoment Experience Improvement (XI) Platform](https://www.g2.com/products/inmoment-experience-improvement-xi-platform/reviews) — 4.7/5 stars (319 reviews) - [Claude](https://www.g2.com/products/claude-2025-12-11/reviews) — 4.6/5 stars (294 reviews) - [Level AI](https://www.g2.com/products/level-ai/reviews) — 4.7/5 stars (199 reviews) - [GlobalLink](https://www.g2.com/products/globallink/reviews) — 4.5/5 stars (186 reviews) - [Azure AI Language](https://www.g2.com/products/azure-ai-language/reviews) — 4.3/5 stars (77 reviews) - [Tungsten TotalAgility](https://www.g2.com/products/tungsten-totalagility/reviews) — 4.3/5 stars (55 reviews) - [scite.ai](https://www.g2.com/products/scite-ai/reviews) — 4.7/5 stars (27 reviews) ### Alternatives to Google Cloud Natural Language API - [Amazon Comprehend](https://www.g2.com/products/amazon-comprehend/reviews) — 4.2/5 stars (72 reviews) - [Altair AI Studio](https://www.g2.com/products/rapidminer-studio/reviews) — 4.6/5 stars (516 reviews) - [Microsoft Text Analytics API](https://www.g2.com/products/microsoft-text-analytics-api/reviews) — 4.4/5 stars (14 reviews) - [SAP HANA Cloud](https://www.g2.com/products/sap-hana-cloud-2025-10-01/reviews) — 4.3/5 stars (621 reviews) - [SAS Viya](https://www.g2.com/products/sas-sas-viya/reviews) — 4.3/5 stars (798 reviews) - [Forsta](https://www.g2.com/products/forsta/reviews) — 4.2/5 stars (335 reviews) - [NLTK](https://www.g2.com/products/nltk/reviews) — 4.4/5 stars (48 reviews) - [InMoment Experience Improvement (XI) Platform](https://www.g2.com/products/inmoment-experience-improvement-xi-platform/reviews) — 4.7/5 stars (319 reviews) - [Chattermill](https://www.g2.com/products/chattermill/reviews) — 4.5/5 stars (236 reviews) - [Claude](https://www.g2.com/products/claude-2025-12-11/reviews) — 4.6/5 stars (294 reviews) --- ## Top Discussions ### Stanford CoreNLP No discussions available for this product. ### openNLP No discussions available for this product. ### Google Cloud Natural Language API No discussions available for this product. --- **Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/stanford-corenlp-vs-opennlp-vs-google-cloud-natural-language-api)