# SpeechBrain vs Speechmatics

**Leader by Vioscale score:** Speechmatics

| Attribute | SpeechBrain | Speechmatics |
|---|---|---|
| **Vioscale score** | 26.8 (23% (low)) | 81.4 (55% (medium)) |
| activity.commits_last_30d | 11 | - |
| adoption.dependent_repos | 0 | - |
| adoption.github_stars | 11,785 | - |
| deployment.options | `{"self_hosted":true}` | `{"cloud":true,"hybrid":true,"on_prem":true,"self_hosted":true}` |
| description.long | A framework for developing conversational AI with support for speech recognition, synthesis, enhancement, and language understanding. Designed with flexibility and transparency for research and production use. | 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 | 2 | 7 |
| integrations.list | `[{"name":"HuggingFace"},{"name":"Orion"}]` | `[{"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 | Apache-2.0 | - |
| market.availability | - | `{"hqCountry":"GB","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | - | `{"cli":true,"web":true}` |
| pricing | `{"type":"open_source","summary":"Free and open source (Apache License)","freeTier":true,"sourceUrl":"https://speechbrain.github.io/","retrievedAt":"2026-08-20T14:05:43.501Z"}` | `{"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 | open_source | freemium |
| pricing.price_level | free | low |
| pricing.starting_price | - | `{"amount":0.24,"currency":"USD"}` |
| pricing.transparent | yes | yes |
| release.cadence_days | 110 | - |
| release.history | `[{"url":"https://github.com/speechbrain/speechbrain/releases/tag/v1.1.0","date":"2026-03-30T14:41:48Z","type":"stable","version":"v1.1.0"},{"url":"https://github.com/speechbrain/speechbrain/releases/tag/v1.0.3","date":"2025-04-07T17:05:07Z","type":"stable","version":"v1.0.3"},{"url":"https://github.com/speechbrain/speechbrain/releases/tag/v1.0.2","date":"2024-10-31T10:06:07Z","type":"stable","version":"v1.0.2"},{"url":"https://github.com/speechbrain/speechbrain/releases/tag/v1.0.1","date":"2024-10-01T10:55:15Z","type":"stable","version":"v1.0.1"},{"url":"https://github.com/speechbrain/speechbrain/releases/tag/v1.0.0","date":"2024-10-01T10:54:56Z","type":"stable","version":"v1.0.0"},{"url":"https://github.com/speechbrain/speechbrain/releases/tag/v0.5.16","date":"2023-11-22T02:28:28Z","type":"stable","version":"v0.5.16"},{"url":"https://github.com/speechbrain/speechbrain/releases/tag/v0.5.15","date":"2023-07-22T18:07:47Z","type":"stable","version":"v0.5.15"},{"url":"https://github.com/speechbrain/speechbrain/releases/tag/v0.5.14","date":"2023-03-24T17:40:58Z","type":"stable","version":"v0.5.14"},{"url":"https://github.com/speechbrain/speechbrain/releases/tag/v0.5.13","date":"2022-08-29T16:25:16Z","type":"stable","version":"v0.5.13"},{"url":"https://github.com/speechbrain/speechbrain/releases/tag/v0.5.12","date":"2022-06-26T20:19:45Z","type":"stable","version":"v0.5.12"},{"url":"https://github.com/speechbrain/speechbrain/releases/tag/v0.5.11","date":"2021-12-20T04:22:27Z","type":"stable","version":"v0.5.11"},{"url":"https://github.com/speechbrain/speechbrain/releases/tag/0.5.10","date":"2021-09-11T22:34:16Z","type":"stable","version":"0.5.10"},{"url":"https://github.com/speechbrain/speechbrain/releases/tag/v0.5.9","date":"2021-06-17T01:25:19Z","type":"stable","version":"v0.5.9"},{"url":"https://github.com/speechbrain/speechbrain/releases/tag/v0.5.8","date":"2021-06-06T01:42:20Z","type":"stable","version":"v0.5.8"},{"url":"https://github.com/speechbrain/speechbrain/releases/tag/0.5.7","date":"2021-04-29T17:12:43Z","type":"stable","version":"0.5.7"}]` | - |
| 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=go&package_name=github.com%2Fspeechbrain%2Fspeechbrain&per_page=100","last_12m":0,"max_severity":null}` | - |

## Capabilities (Speech To Text)

| Capability | SpeechBrain | 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 2026-09-01T16:44:13.468Z. "-" = undocumented, not absent.*