# NLTK vs Stanford CoreNLP

| Attribute | NLTK | Stanford CoreNLP |
|---|---|---|
| **Vioscale score** | 72.7 (21% (low)) | 44.7 (24% (low)) |
| activity.commits_last_30d | 100 | 0 |
| adoption.dependent_repos | 57,572 | 7 |
| adoption.github_stars | 14,702 | 10,102 |
| deployment.options | - | `{"self_hosted":true}` |
| description.long | Provides access to linguistic corpora and text processing tools for tokenization, classification, parsing, and semantic analysis. Widely used in educational and research settings for computational linguistics work. | An open-source toolkit that analyzes text to extract linguistic features including word boundaries, grammatical tags, entities, dependency relationships, and semantic properties, supporting eight languages. |
| language.primary | Python | Java |
| license.spdx | Apache-2.0 | GPL-3.0 |
| platform.support | `{"cli":true,"mac":true,"linux":true,"windows":true}` | `{"cli":true,"mac":true,"linux":true,"windows":true}` |
| pricing | `{"type":"open_source","summary":"Free and open source","freeTier":true,"sourceUrl":"https://www.nltk.org","retrievedAt":"2026-08-20T12:51:01.320Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://stanfordnlp.github.io/CoreNLP/","retrievedAt":"2026-08-19T16:05:04.600Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | commercial |
| pricing.price_level | free | free |
| pricing.transparent | yes | yes |
| release.cadence_days | 2 | 92 |
| release.history | `[{"url":"https://github.com/nltk/nltk/releases/tag/v3.10.3-rc1","date":"2026-08-12T22:28:22Z","type":"stable","version":"v3.10.3-rc1"},{"url":"https://github.com/nltk/nltk/releases/tag/v3.10.3","date":"2026-08-13T06:56:10Z","type":"stable","version":"v3.10.3"},{"url":"https://github.com/nltk/nltk/releases/tag/v3.10.2-rc1","date":"2026-08-05T08:52:22Z","type":"stable","version":"v3.10.2-rc1"},{"url":"https://github.com/nltk/nltk/releases/tag/v3.10.2","date":"2026-08-05T10:02:22Z","type":"stable","version":"v3.10.2"},{"url":"https://github.com/nltk/nltk/releases/tag/v3.10.1-rc2","date":"2026-07-29T15:05:36Z","type":"stable","version":"v3.10.1-rc2"},{"url":"https://github.com/nltk/nltk/releases/tag/v3.10.1-rc1","date":"2026-07-27T08:37:09Z","type":"stable","version":"v3.10.1-rc1"},{"url":"https://github.com/nltk/nltk/releases/tag/v3.10.0","date":"2026-08-05T09:57:11Z","type":"stable","version":"v3.10.0"},{"url":"https://github.com/nltk/nltk/releases/tag/v3.10.0-rc1","date":"2026-06-11T21:07:13Z","type":"stable","version":"v3.10.0-rc1"}]` | `[{"url":"https://github.com/stanfordnlp/CoreNLP/releases/tag/v4.5.10","date":"2025-06-07T20:00:17Z","type":"stable","version":"v4.5.10"},{"url":"https://github.com/stanfordnlp/CoreNLP/releases/tag/v4.5.9","date":"2025-04-07T15:04:13Z","type":"stable","version":"v4.5.9"},{"url":"https://github.com/stanfordnlp/CoreNLP/releases/tag/v4.5.8","date":"2024-12-29T08:15:25Z","type":"stable","version":"v4.5.8"},{"url":"https://github.com/stanfordnlp/CoreNLP/releases/tag/v4.5.7","date":"2024-04-28T05:36:38Z","type":"stable","version":"v4.5.7"},{"url":"https://github.com/stanfordnlp/CoreNLP/releases/tag/v4.5.6","date":"2024-02-01T20:39:32Z","type":"stable","version":"v4.5.6"},{"url":"https://github.com/stanfordnlp/CoreNLP/releases/tag/v4.5.5","date":"2023-09-06T20:46:56Z","type":"stable","version":"v4.5.5"},{"url":"https://github.com/stanfordnlp/CoreNLP/releases/tag/v4.5.4","date":"2023-03-16T01:23:28Z","type":"stable","version":"v4.5.4"},{"url":"https://github.com/stanfordnlp/CoreNLP/releases/tag/v4.5.3","date":"2023-03-11T05:40:56Z","type":"stable","version":"v4.5.3"},{"url":"https://github.com/stanfordnlp/CoreNLP/releases/tag/v4.5.2","date":"2023-03-11T05:32:59Z","type":"stable","version":"v4.5.2"},{"url":"https://github.com/stanfordnlp/CoreNLP/releases/tag/v4.5.1","date":"2022-08-30T04:13:08Z","type":"stable","version":"v4.5.1"},{"url":"https://github.com/stanfordnlp/CoreNLP/releases/tag/v4.5.0","date":"2022-07-22T23:21:26Z","type":"stable","version":"v4.5.0"},{"url":"https://github.com/stanfordnlp/CoreNLP/releases/tag/v4.4.0","date":"2022-01-25T11:49:35Z","type":"stable","version":"v4.4.0"},{"url":"https://github.com/stanfordnlp/CoreNLP/releases/tag/v4.3.2","date":"2021-11-18T22:42:12Z","type":"stable","version":"v4.3.2"},{"url":"https://github.com/stanfordnlp/CoreNLP/releases/tag/v4.3.1","date":"2021-10-22T11:28:28Z","type":"stable","version":"v4.3.1"},{"url":"https://github.com/stanfordnlp/CoreNLP/releases/tag/v4.3.0","date":"2021-10-06T10:54:38Z","type":"stable","version":"v4.3.0"},{"url":"https://github.com/stanfordnlp/CoreNLP/releases/tag/v4.2.2","date":"2021-05-14T21:36:42Z","type":"stable","version":"v4.2.2"},{"url":"https://github.com/stanfordnlp/CoreNLP/releases/tag/v4.2.1","date":"2021-05-05T20:58:09Z","type":"stable","version":"v4.2.1"},{"url":"https://github.com/stanfordnlp/CoreNLP/releases/tag/v4.2.0","date":"2020-11-17T10:17:53Z","type":"stable","version":"v4.2.0"},{"url":"https://github.com/stanfordnlp/CoreNLP/releases/tag/v4.0.0","date":"2020-05-04T02:47:27Z","type":"stable","version":"v4.0.0"}]` |
| security.scorecard | 4.8 | 2.6 |
| security.vulnerabilities | `{"count":20,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=nltk&per_page=100","last_12m":15,"max_severity":"CRITICAL"}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=edu.stanford.nlp%3Astanford-kbp&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (NLP Apis)

| Capability | NLTK | Stanford CoreNLP |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Custom model training | - | - |
| Domain specific models | - | - |
| Deployment model | - | - |
| Batch processing | - | - |
| Real time latency | - | - |
| Embeddings endpoint | - | - |
| Data residency EU | - | - |
| Open source | - | - |
| Pricing model | - | - |

*Source: Vioscale. Generated 2026-09-01T15:13:47.358Z. "-" = undocumented, not absent.*