# Gensim, NLTK vs openNLP Comparison | | Gensim | NLTK | openNLP | |---|---|---|---| | **Star Rating** | 4.4 out of 5 | 4.4 out of 5 | 4.0 out of 5 | | **Total Reviews** | 15 | 48 | 11 | | **Largest Market Segment** | Small-Business (53.3% of reviews) | Small-Business (52.2% of reviews) | Small-Business (63.6% of reviews) | | **Entry Level Price** | No pricing available | No pricing available | No pricing available | --- ## Ratings Comparison | Rating | Gensim | NLTK | openNLP | |---|---|---|---| | **Meets Requirements** | 8.6 (12 reviews) | 7.9 (28 reviews) | 8.3 (9 reviews) | | **Ease of Use** | 9.3 (12 reviews) | 8.8 (28 reviews) | 8.3 (9 reviews) | | **Ease of Setup** | Not enough data | 9.0 (10 reviews) | Not enough data | | **Ease of Admin** | Not enough data | 8.8 (10 reviews) | Not enough data | | **Quality of Support** | 9.1 (9 reviews) | 8.2 (22 reviews) | 7.0 (9 reviews) | | **Has the product been a good partner in doing business?** | Not enough data | 9.1 (9 reviews) | Not enough data | | **Product Direction (% positive)** | 6.8 (11 reviews) | 7.3 (26 reviews) | 7.4 (9 reviews) | --- ## Pricing ### Gensim #### Entry-Level Pricing No pricing available #### Free Trial No information available ### NLTK #### Entry-Level Pricing No pricing available #### Free Trial No information available ### openNLP #### Entry-Level Pricing No pricing available #### Free Trial No information available --- ## Features Comparison By Category ### Natural Language Understanding (NLU) | Product | Score | Reviews | |---|---|---| | **Gensim** | 7.9/10 | 10 | | **NLTK** | 7.2/10 | 24 | | **openNLP** | N/A | N/A | #### Algorithm | Feature | Gensim | NLTK | openNLP | |---|---|---|---| | **Part of Speech Tagging** | 8.0 (9 reviews) | 7.4 (23 reviews) | Not enough data | | **Summarization** | 7.6 (7 reviews) | 7.4 (19 reviews) | Not enough data | | **Named Entity Recognition** | 8.3 (7 reviews) | 7.3 (22 reviews) | Not enough data | | **Sentiment Analysis** | 9.2 (8 reviews) | 7.3 (22 reviews) | Not enough data | | **Emotion Detection** | 7.7 (8 reviews) | 6.5 (20 reviews) | Not enough data | | **Language Detection** | 7.6 (7 reviews) | 7.0 (21 reviews) | Not enough data | #### System | Feature | Gensim | NLTK | openNLP | |---|---|---|---| | **Data Ingestion & Wrangling** | 8.8 (7 reviews) | 7.6 (20 reviews) | Not enough data | | **Programming Language Support** | 9.0 (8 reviews) | 8.0 (19 reviews) | Not enough data | | **Drag and Drop** | 5.3 (5 reviews) | 6.4 (16 reviews) | Not enough data | | **Pre-Built Algorithms** | 7.5 (8 reviews) | 7.2 (20 reviews) | Not enough data | | **Customizable Models** | 7.9 (7 reviews) | 7.5 (19 reviews) | Not enough data | --- ## Categories **Shared Categories (1):** [Natural Language Understanding (NLU) Software](https://www.g2.com/categories/natural-language-understanding-nlu) --- ## Reviewer Demographics ### By Company Size | Segment | Gensim | NLTK | openNLP | |---|---|---|---| | **Small-Business** | 53.3% | 52.2% | 63.6% | | **Mid-Market** | 20.0% | 19.6% | 18.2% | | **Enterprise** | 26.7% | 28.3% | 18.2% | ### By Industry #### Gensim - **Education Management:** 13.3% - **Computer Software:** 13.3% - **Retail:** 6.7% - **Real Estate:** 6.7% - **Medical Devices:** 6.7% - **Insurance:** 6.7% - **Information Technology and Services:** 6.7% - **Human Resources:** 6.7% - **Hospital & Health Care:** 6.7% - **Higher Education:** 6.7% - **Other:** 20.0% #### NLTK - **Information Technology and Services:** 28.3% - **Computer Software:** 17.4% - **Consumer Services:** 4.3% - **Education Management:** 4.3% - **Higher Education:** 4.3% - **Hospital & Health Care:** 4.3% - **Internet:** 4.3% - **Research:** 4.3% - **Telecommunications:** 4.3% - **Leisure, Travel & Tourism:** 2.2% - **Other:** 21.7% #### 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% --- ## Alternatives ### Alternatives to Gensim - [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 (316 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) - [Google Cloud Natural Language API](https://www.g2.com/products/google-cloud-natural-language-api/reviews) — 4.3/5 stars (98 reviews) - [Azure AI Language](https://www.g2.com/products/azure-ai-language/reviews) — 4.3/5 stars (78 reviews) - [Amazon Comprehend](https://www.g2.com/products/amazon-comprehend/reviews) — 4.2/5 stars (72 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 NLTK - [Stanford CoreNLP](https://www.g2.com/products/stanford-corenlp/reviews) — 4.3/5 stars (10 reviews) - [Amazon Comprehend](https://www.g2.com/products/amazon-comprehend/reviews) — 4.2/5 stars (72 reviews) - [Google Cloud Natural Language API](https://www.g2.com/products/google-cloud-natural-language-api/reviews) — 4.3/5 stars (98 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 (316 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) - [Tungsten TotalAgility](https://www.g2.com/products/tungsten-totalagility/reviews) — 4.3/5 stars (55 reviews) - [Azure AI Language](https://www.g2.com/products/azure-ai-language/reviews) — 4.3/5 stars (78 reviews) ### Alternatives to openNLP - [Stanford CoreNLP](https://www.g2.com/products/stanford-corenlp/reviews) — 4.3/5 stars (10 reviews) - [Amazon Comprehend](https://www.g2.com/products/amazon-comprehend/reviews) — 4.2/5 stars (72 reviews) - [Google Cloud Natural Language API](https://www.g2.com/products/google-cloud-natural-language-api/reviews) — 4.3/5 stars (98 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 (316 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 (78 reviews) - [Tungsten TotalAgility](https://www.g2.com/products/tungsten-totalagility/reviews) — 4.3/5 stars (55 reviews) --- ## Top Discussions ### Gensim No discussions available for this product. ### NLTK No discussions available for this product. ### openNLP No discussions available for this product. --- **Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/gensim-vs-nltk-vs-opennlp)