# faster-whisper vs whisper.cpp

| Attribute | faster-whisper | whisper.cpp |
|---|---|---|
| **vioscaleAI score** | 51.5 (33% (low)) | 57.7 (34% (low)) |
| activity.commits_last_30d | 7 | 100 |
| adoption.dependent_repos | 35 | 18 |
| adoption.github_stars | 25,877 | 54,417 |
| content.faq | `[{"answer":"An open-source implementation of speech recognition that accelerates transcription using optimized machine learning inference, with support for multiple platforms and container deployment. It is indexed under Speech To Text.","source":"https://github.com/pricing","question":"What is faster-whisper?","confidence":0.6},{"answer":"faster-whisper is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"https://github.com/pricing","question":"Is faster-whisper free to use?","confidence":0.6},{"answer":"faster-whisper supports Windows, macOS, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://github.com/pricing","question":"What platforms does faster-whisper support?","confidence":0.6},{"answer":"Yes. faster-whisper can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://github.com/pricing","question":"Can faster-whisper be self-hosted?","confidence":0.6},{"answer":"We have confirmed 8 integrations for faster-whisper, including OpenAI API, OpenAI SDK, OpenAI CLI, HomeAssistant, Konele, Docker, AzureML and FastAPI. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://github.com/pricing","question":"What does faster-whisper integrate with?","confidence":0.6},{"answer":"Yes. faster-whisper is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/SYSTRAN/faster-whisper","question":"Is faster-whisper open source?","confidence":0.95}]` | `[{"answer":"An open-source library that provides speech-to-text transcription capabilities, ported from OpenAI's Whisper model. It supports various hardware accelerators and runs on multiple platforms with a command-line interface. It is indexed under Speech To Text.","source":"https://github.com/pricing","question":"What is whisper.cpp?","confidence":0.6},{"answer":"whisper.cpp is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"https://github.com/pricing","question":"Is whisper.cpp free to use?","confidence":0.6},{"answer":"whisper.cpp supports macOS, Linux, iOS, Android and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://github.com/pricing","question":"What platforms does whisper.cpp support?","confidence":0.6},{"answer":"Yes. whisper.cpp can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://github.com/pricing","question":"Can whisper.cpp be self-hosted?","confidence":0.6},{"answer":"Yes. whisper.cpp is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/ggerganov/whisper.cpp","question":"Is whisper.cpp open source?","confidence":0.95}]` |
| deployment.options | `{"on_prem":true,"air_gapped":true,"self_hosted":true}` | `{"on_prem":true,"self_hosted":true}` |
| description.long | A high-performance implementation of OpenAI's Whisper for converting speech to text, with features for word-level timing and offline processing. | An open-source C/C++ implementation that brings OpenAI's Whisper speech recognition to local devices. It executes entirely offline without network connectivity and integrates into various hardware platforms from mobile to specialized computing systems. |
| features.capabilities | `{"fine_tuning":true,"open_source":true,"word_timestamps":true,"offline_on_device":true,"real_time_streaming":true,"speaker_diarization":true}` | `{"open_source":true,"word_timestamps":true,"offline_on_device":true}` |
| integrations.count | 5 | - |
| integrations.list | `[{"name":"OpenAI API"},{"name":"OpenAI SDK"},{"name":"OpenAI CLI"},{"name":"HomeAssistant"},{"name":"Konele"},{"name":"Docker"},{"name":"AzureML"},{"name":"FastAPI"},{"name":"OpenAI SDKs/CLI","native":false},{"name":"pyannote.audio","native":false},{"name":"pyannote.ai","native":false},{"name":"OpenAI SDK/CLI","native":false},{"name":"Azure ML","native":false},{"name":"Transformers library","native":false},{"name":"OpenAI","native":true}]` | - |
| language.primary | Python | C++ |
| license.spdx | MIT | MIT |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"mac":true,"linux":true,"windows":true}` | `{"cli":true,"ios":true,"linux":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://github.com/pricing","retrievedAt":"2026-10-15T20:28:12.642Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://github.com/pricing","retrievedAt":"2026-08-19T21:33:54.410Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| pricing.transparent | yes | yes |
| release.cadence_days | 27 | 14 |
| release.history | `[{"url":"https://github.com/SYSTRAN/faster-whisper/releases/tag/v1.2.1","date":"2025-10-31T11:34:00Z","type":"stable","version":"v1.2.1"},{"url":"https://github.com/SYSTRAN/faster-whisper/releases/tag/v1.2.0","date":"2025-08-06T00:32:35Z","type":"stable","version":"v1.2.0"},{"url":"https://github.com/SYSTRAN/faster-whisper/releases/tag/v1.1.1","date":"2025-01-01T14:45:17Z","type":"stable","version":"v1.1.1"},{"url":"https://github.com/SYSTRAN/faster-whisper/releases/tag/v1.1.0","date":"2024-11-21T17:19:27Z","type":"stable","version":"v1.1.0"},{"url":"https://github.com/SYSTRAN/faster-whisper/releases/tag/v1.0.3","date":"2024-07-01T10:05:08Z","type":"stable","version":"v1.0.3"},{"url":"https://github.com/SYSTRAN/faster-whisper/releases/tag/v1.0.2","date":"2024-05-06T02:08:27Z","type":"stable","version":"v1.0.2"},{"url":"https://github.com/SYSTRAN/faster-whisper/releases/tag/v1.0.1","date":"2024-03-01T10:46:22Z","type":"stable","version":"v1.0.1"},{"url":"https://github.com/SYSTRAN/faster-whisper/releases/tag/v1.0.0","date":"2024-02-22T08:56:53Z","type":"stable","version":"v1.0.0"},{"url":"https://github.com/SYSTRAN/faster-whisper/releases/tag/v0.10.1","date":"2024-02-22T12:08:53Z","type":"stable","version":"v0.10.1"},{"url":"https://github.com/SYSTRAN/faster-whisper/releases/tag/v0.10.0","date":"2024-02-22T11:55:44Z","type":"stable","version":"v0.10.0"},{"url":"https://github.com/SYSTRAN/faster-whisper/releases/tag/v0.9.0","date":"2023-09-18T14:34:26Z","type":"stable","version":"v0.9.0"},{"url":"https://github.com/SYSTRAN/faster-whisper/releases/tag/v0.8.0","date":"2023-09-04T10:01:17Z","type":"stable","version":"v0.8.0"},{"url":"https://github.com/SYSTRAN/faster-whisper/releases/tag/v0.7.1","date":"2023-07-24T09:20:02Z","type":"stable","version":"v0.7.1"},{"url":"https://github.com/SYSTRAN/faster-whisper/releases/tag/v0.7.0","date":"2023-07-18T13:30:31Z","type":"stable","version":"v0.7.0"},{"url":"https://github.com/SYSTRAN/faster-whisper/releases/tag/v0.6.0","date":"2023-05-24T14:22:34Z","type":"stable","version":"v0.6.0"},{"url":"https://github.com/SYSTRAN/faster-whisper/releases/tag/v0.5.1","date":"2023-04-26T15:41:33Z","type":"stable","version":"v0.5.1"},{"url":"https://github.com/SYSTRAN/faster-whisper/releases/tag/v0.5.0","date":"2023-04-25T15:04:48Z","type":"stable","version":"v0.5.0"},{"url":"https://github.com/SYSTRAN/faster-whisper/releases/tag/v0.4.1","date":"2023-04-04T10:58:53Z","type":"stable","version":"v0.4.1"},{"url":"https://github.com/SYSTRAN/faster-whisper/releases/tag/v0.4.0","date":"2023-04-03T15:29:31Z","type":"stable","version":"v0.4.0"},{"url":"https://github.com/SYSTRAN/faster-whisper/releases/tag/v0.3.0","date":"2023-03-24T10:00:28Z","type":"stable","version":"v0.3.0"}]` | `[{"url":"https://github.com/ggml-org/whisper.cpp/releases/tag/v1.9.5","date":"2026-10-06T17:39:17Z","type":"stable","version":"v1.9.5"},{"url":"https://github.com/ggml-org/whisper.cpp/releases/tag/b5454","date":"2026-10-06T16:51:27Z","type":"prerelease","version":"b5454"},{"url":"https://github.com/ggml-org/whisper.cpp/releases/tag/v1.9.4","date":"2026-09-11T05:31:55Z","type":"stable","version":"v1.9.4"},{"url":"https://github.com/ggml-org/whisper.cpp/releases/tag/b5130","date":"2026-09-11T05:29:10Z","type":"prerelease","version":"b5130"},{"url":"https://github.com/ggml-org/whisper.cpp/releases/tag/b5127","date":"2026-09-10T11:55:26Z","type":"prerelease","version":"b5127"},{"url":"https://github.com/ggml-org/whisper.cpp/releases/tag/v1.9.3","date":"2026-08-20T11:39:36Z","type":"prerelease","version":"v1.9.3"},{"url":"https://github.com/ggml-org/whisper.cpp/releases/tag/b4938","date":"2026-08-20T11:33:19Z","type":"stable","version":"b4938"},{"url":"https://github.com/ggml-org/whisper.cpp/releases/tag/v1.9.2","date":"2026-08-04T15:31:37Z","type":"stable","version":"v1.9.2"},{"url":"https://github.com/ggml-org/whisper.cpp/releases/tag/v1.9.1","date":"2026-06-19T05:53:19Z","type":"stable","version":"v1.9.1"},{"url":"https://github.com/ggml-org/whisper.cpp/releases/tag/v1.9.0","date":"2026-06-17T10:19:21Z","type":"stable","version":"v1.9.0"},{"url":"https://github.com/ggml-org/whisper.cpp/releases/tag/v1.8.7","date":"2026-06-16T10:59:32Z","type":"stable","version":"v1.8.7"},{"url":"https://github.com/ggml-org/whisper.cpp/releases/tag/v1.8.6","date":"2026-06-02T06:22:27Z","type":"stable","version":"v1.8.6"},{"url":"https://github.com/ggml-org/whisper.cpp/releases/tag/v1.8.5","date":"2026-05-29T12:07:04Z","type":"stable","version":"v1.8.5"},{"url":"https://github.com/ggml-org/whisper.cpp/releases/tag/v1.8.4","date":"2026-03-19T15:08:38Z","type":"stable","version":"v1.8.4"},{"url":"https://github.com/ggml-org/whisper.cpp/releases/tag/v1.8.3","date":"2026-01-15T11:27:48Z","type":"stable","version":"v1.8.3"},{"url":"https://github.com/ggml-org/whisper.cpp/releases/tag/v1.8.2","date":"2025-10-15T08:32:18Z","type":"stable","version":"v1.8.2"},{"url":"https://github.com/ggml-org/whisper.cpp/releases/tag/v1.8.1","date":"2025-10-12T10:18:45Z","type":"stable","version":"v1.8.1"},{"url":"https://github.com/ggml-org/whisper.cpp/releases/tag/v1.8.0","date":"2025-09-30T18:44:14Z","type":"stable","version":"v1.8.0"},{"url":"https://github.com/ggml-org/whisper.cpp/releases/tag/v1.7.6","date":"2025-06-25T13:50:49Z","type":"stable","version":"v1.7.6"},{"url":"https://github.com/ggml-org/whisper.cpp/releases/tag/v1.7.5","date":"2025-04-02T14:34:08Z","type":"stable","version":"v1.7.5"}]` |
| security.scorecard | - | 5.1 |
| security.trust_center | https://github.com/security | https://github.com/security |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=faster-whisper&per_page=100","last_12m":0,"max_severity":null}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fggerganov%2Fwhisper.cpp%2Fbindings%2Fgo&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Speech To Text)

| Capability | faster-whisper | whisper.cpp |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Real time streaming | ✓ | - |
| Speaker diarization | ✓ | - |
| Custom vocabulary | - | - |
| Fine tuning | ✓ | - |
| Word timestamps | ✓ | ✓ |
| Punctuation formatting | - | - |
| Pii redaction | - | - |
| Vertical model | - | - |
| Offline on device | ✓ | ✓ |
| Open source | ✓ | ✓ |

*Source: vioscaleAI. Generated 2026-10-16T01:06:38.109Z. "-" = undocumented, not absent.*