# Flair vs spaCy

| Attribute | Flair | spaCy |
|---|---|---|
| **Vioscale score** | 40.6 (20% (low)) | 49.2 (32% (low)) |
| activity.commits_last_30d | 0 | 13 |
| adoption.dependent_repos | 497 | 15,793 |
| adoption.github_stars | 14,384 | 33,849 |
| deployment.options | - | `{"on_prem":true,"self_hosted":true}` |
| description.long | A framework providing pre-built models for natural language processing tasks including entity recognition, sentiment analysis, part-of-speech tagging, and text classification, with multilingual support and specialized biomedical text processing capabilities. | An open-source natural language processing library designed for building real-world applications. It excels at large-scale information extraction and has become an industry standard since 2015 with a robust ecosystem of plugins. |
| integrations.count | - | 1 |
| integrations.list | - | `[{"name":"PyTorch"}]` |
| language.primary | Python | Python |
| license.spdx | - | MIT |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | - | `{"cli":true,"mac":true,"linux":true,"windows":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://github.com/pricing","retrievedAt":"2026-08-19T17:44:05.951Z"}` | `{"type":"open_source","summary":"Free, open-source library","freeTier":true,"sourceUrl":"https://spacy.io","retrievedAt":"2026-08-19T14:46:03.884Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | commercial |
| pricing.price_level | free | free |
| release.cadence_days | 80 | 20 |
| release.history | `[{"url":"https://github.com/flairNLP/flair/releases/tag/v0.15.1","date":"2025-02-05T14:46:22Z","type":"stable","version":"v0.15.1"},{"url":"https://github.com/flairNLP/flair/releases/tag/v0.15.0","date":"2024-12-20T08:57:44Z","type":"stable","version":"v0.15.0"},{"url":"https://github.com/flairNLP/flair/releases/tag/v0.14.0","date":"2024-07-25T12:21:58Z","type":"stable","version":"v0.14.0"},{"url":"https://github.com/flairNLP/flair/releases/tag/v0.13.1","date":"2023-12-18T09:29:22Z","type":"stable","version":"v0.13.1"},{"url":"https://github.com/flairNLP/flair/releases/tag/v0.13.0","date":"2023-10-28T12:19:55Z","type":"stable","version":"v0.13.0"},{"url":"https://github.com/flairNLP/flair/releases/tag/v0.12.2","date":"2023-03-30T15:49:56Z","type":"stable","version":"v0.12.2"},{"url":"https://github.com/flairNLP/flair/releases/tag/v0.12.1","date":"2023-03-10T15:32:35Z","type":"stable","version":"v0.12.1"},{"url":"https://github.com/flairNLP/flair/releases/tag/v0.12","date":"2023-03-06T10:17:28Z","type":"stable","version":"v0.12"},{"url":"https://github.com/flairNLP/flair/releases/tag/v0.11","date":"2022-04-10T20:35:57Z","type":"stable","version":"v0.11"},{"url":"https://github.com/flairNLP/flair/releases/tag/v0.10","date":"2021-11-18T08:33:59Z","type":"stable","version":"v0.10"},{"url":"https://github.com/flairNLP/flair/releases/tag/v0.9","date":"2021-08-29T23:23:01Z","type":"stable","version":"v0.9"},{"url":"https://github.com/flairNLP/flair/releases/tag/v0.8","date":"2021-03-05T11:57:03Z","type":"stable","version":"v0.8"},{"url":"https://github.com/flairNLP/flair/releases/tag/v0.7","date":"2020-12-01T19:35:00Z","type":"stable","version":"v0.7"},{"url":"https://github.com/flairNLP/flair/releases/tag/v0.6.1","date":"2020-09-23T10:40:31Z","type":"stable","version":"v0.6.1"},{"url":"https://github.com/flairNLP/flair/releases/tag/v0.6","date":"2020-08-17T13:34:00Z","type":"stable","version":"v0.6"},{"url":"https://github.com/flairNLP/flair/releases/tag/v0.5.1","date":"2020-07-05T21:39:00Z","type":"stable","version":"v0.5.1"},{"url":"https://github.com/flairNLP/flair/releases/tag/v0.5","date":"2020-05-24T12:00:55Z","type":"stable","version":"v0.5"},{"url":"https://github.com/flairNLP/flair/releases/tag/v0.4.5","date":"2020-01-24T16:08:32Z","type":"stable","version":"v0.4.5"},{"url":"https://github.com/flairNLP/flair/releases/tag/v0.4.4","date":"2019-10-20T22:22:35Z","type":"stable","version":"v0.4.4"},{"url":"https://github.com/flairNLP/flair/releases/tag/v0.4.3","date":"2019-08-26T18:26:09Z","type":"stable","version":"v0.4.3"}]` | `[{"url":"https://github.com/explosion/spaCy/releases/tag/release-v3.8.16","date":"2026-08-24T10:01:11Z","type":"stable","version":"release-v3.8.16"},{"url":"https://github.com/explosion/spaCy/releases/tag/release-v3.8.15","date":"2026-08-07T17:13:19Z","type":"stable","version":"release-v3.8.15"},{"url":"https://github.com/explosion/spaCy/releases/tag/release-v3.8.14","date":"2026-03-29T07:47:14Z","type":"stable","version":"release-v3.8.14"},{"url":"https://github.com/explosion/spaCy/releases/tag/release-v3.8.13","date":"2026-03-23T17:40:51Z","type":"stable","version":"release-v3.8.13"},{"url":"https://github.com/explosion/spaCy/releases/tag/release-v3.8.12","date":"2026-03-23T13:33:37Z","type":"stable","version":"release-v3.8.12"},{"url":"https://github.com/explosion/spaCy/releases/tag/release-v3.8.11","date":"2025-11-17T20:37:38Z","type":"stable","version":"release-v3.8.11"},{"url":"https://github.com/explosion/spaCy/releases/tag/release-v3.8.10","date":"2025-11-17T15:54:29Z","type":"stable","version":"release-v3.8.10"},{"url":"https://github.com/explosion/spaCy/releases/tag/release-v3.8.9","date":"2025-11-13T14:57:22Z","type":"stable","version":"release-v3.8.9"},{"url":"https://github.com/explosion/spaCy/releases/tag/release-v3.8.8","date":"2025-11-07T09:26:30Z","type":"stable","version":"release-v3.8.8"},{"url":"https://github.com/explosion/spaCy/releases/tag/release-v3.8.7","date":"2025-05-23T08:53:14Z","type":"stable","version":"release-v3.8.7"},{"url":"https://github.com/explosion/spaCy/releases/tag/release-v3.8.6","date":"2025-05-19T07:52:28Z","type":"stable","version":"release-v3.8.6"},{"url":"https://github.com/explosion/spaCy/releases/tag/release-v3.8.3","date":"2024-12-11T13:11:38Z","type":"stable","version":"release-v3.8.3"},{"url":"https://github.com/explosion/spaCy/releases/tag/release-v3.8.2","date":"2024-10-01T18:19:33Z","type":"stable","version":"release-v3.8.2"},{"url":"https://github.com/explosion/spaCy/releases/tag/prerelease-v3.8.0.dev0","date":"2024-09-09T14:19:15Z","type":"prerelease","version":"prerelease-v3.8.0.dev0"},{"url":"https://github.com/explosion/spaCy/releases/tag/prerelease-v3.7.6a","date":"2024-08-20T10:09:49Z","type":"prerelease","version":"prerelease-v3.7.6a"},{"url":"https://github.com/explosion/spaCy/releases/tag/v3.7.5","date":"2024-06-05T07:57:36Z","type":"stable","version":"v3.7.5"},{"url":"https://github.com/explosion/spaCy/releases/tag/v3.7.4","date":"2024-02-15T19:16:59Z","type":"stable","version":"v3.7.4"},{"url":"https://github.com/explosion/spaCy/releases/tag/v3.7.2","date":"2023-10-16T16:11:22Z","type":"stable","version":"v3.7.2"},{"url":"https://github.com/explosion/spaCy/releases/tag/v3.7.1","date":"2023-10-05T06:46:15Z","type":"stable","version":"v3.7.1"},{"url":"https://github.com/explosion/spaCy/releases/tag/v3.7.0","date":"2023-10-02T09:10:08Z","type":"stable","version":"v3.7.0"}]` |
| security.scorecard | - | 5.2 |
| security.vulnerabilities | `{"count":1,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=flair&per_page=100","last_12m":0,"max_severity":"MODERATE"}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=spacy&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (NLP Apis)

| Capability | Flair | spaCy |
|---|:--:|:--:|
| **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 2026-09-01T17:00:08.879Z. "-" = undocumented, not absent.*