# faster-whisper vs Speechmatics

**Leader by Vioscale score:** Speechmatics

| Attribute | faster-whisper | Speechmatics |
|---|---|---|
| **Vioscale score** | 38.9 (28% (low)) | 81.4 (55% (medium)) |
| activity.commits_last_30d | 0 | - |
| adoption.dependent_repos | 35 | - |
| adoption.github_stars | 25,097 | - |
| deployment.options | `{"self_hosted":true}` | `{"cloud":true,"hybrid":true,"on_prem":true,"self_hosted":true}` |
| description.long | An open-source implementation of speech recognition that accelerates transcription using optimized machine learning inference, with support for multiple platforms and container deployment. | Speech recognition and synthesis platform offering real-time and batch transcription, audio analysis, and text-to-speech across 55+ languages. Supports flexible deployment with privacy-first design and compliance-ready infrastructure. |
| features.capabilities | - | `{"fine_tuning":true,"vertical_model":true,"word_timestamps":true,"custom_vocabulary":true,"offline_on_device":true,"real_time_streaming":true,"speaker_diarization":true,"punctuation_formatting":true}` |
| integrations.count | 8 | 7 |
| integrations.list | `[{"name":"OpenAI API"},{"name":"OpenAI SDK"},{"name":"OpenAI CLI"},{"name":"HomeAssistant"},{"name":"Konele"},{"name":"Docker"},{"name":"AzureML"},{"name":"FastAPI"}]` | `[{"name":"Stenograph CATalyst VP"},{"name":"Adobe Premiere"},{"name":"Zapier"},{"name":"Twilio"},{"name":"Python SDK"},{"name":"JavaScript SDK"},{"name":".NET SDK"}]` |
| language.primary | Python | - |
| license.spdx | MIT | - |
| market.availability | - | `{"hqCountry":"GB","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"mac":true,"linux":true,"windows":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://github.com/pricing","retrievedAt":"2026-08-19T21:34:29.045Z"}` | `{"type":"usage","plans":[{"free":true,"name":"Free","summary":"$100 credit, no card required","features":["Speech-to-Text (55+ languages)","Text-to-Speech (English)","Multi-region cloud options","2 concurrent real-time sessions"],"components":[{"kind":"one_time","amount":100,"currency":"USD"}],"description":"For developers and early exploration","contactSales":false,"includedLimits":{"credit":"$100","concurrent_real_time_sessions":"2"}},{"free":false,"name":"Pro","summary":"Usage-based from $0.24/hour for Real-time Standard transcription","features":["Speech-to-Text (55+ languages)","Text-to-Speech","Real-time sessions (up to 50 concurrent)","Speaker diarization","Custom vocabulary","Advanced punctuation and casing","Precise timestamps","Multi-channel support","Online email support","20% volume discount over 500 hours/month"],"commitment":"monthly","components":[{"per":{"qty":1,"unit":"hour"},"kind":"metered","amount":0.24,"currency":"USD"},{"per":{"qty":1,"unit":"hour"},"kind":"metered","amount":0.43,"currency":"USD"},{"per":{"qty":1,"unit":"hour"},"kind":"metered","amount":0.4,"currency":"USD"}],"description":"For demanding projects and growing needs","contactSales":false,"includedLimits":{"file_jobs_per_second":"10","concurrent_real_time_sessions":"50"}},{"free":false,"name":"Enterprise","summary":"Volume discounts, custom pricing","features":["Unlimited concurrent real-time sessions","No rate limits","Custom models and voices","Custom language development","SaaS or on-premises or on-device deployment","Privacy-first deployment options","Dedicated Customer Success Manager","Prioritized service and support"],"description":"Custom pricing with unlimited scale and flexible deployment options","contactSales":true}],"addOns":[{"name":"Model Training Discount Program","components":[{"of":"Speech-to-Text usage","kind":"percentage","rate":33}]}],"summary":"Usage-based from $0.24/hour; free tier with $100 credit; volume discounts available","currency":"USD","freeTier":true,"sourceUrl":"https://www.speechmatics.com/pricing","retrievedAt":"2026-08-25T15:40:09.401Z","startingPrice":{"unit":"hour","amount":0.24,"currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | freemium |
| pricing.price_level | free | low |
| pricing.starting_price | - | `{"amount":0.24,"currency":"USD"}` |
| pricing.transparent | - | yes |
| release.cadence_days | 27 | - |
| 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"}]` | - |
| security.disclosure_policy | - | yes |
| security.gdpr | - | yes |
| security.hipaa | - | yes |
| security.iso27001 | - | yes |
| security.soc2 | - | yes |
| 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}` | - |

## Capabilities (Speech To Text)

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

*Source: Vioscale. Generated 2026-09-01T17:07:16.420Z. "-" = undocumented, not absent.*