# Kaldi vs SpeechBrain

| Attribute | Kaldi | SpeechBrain |
|---|---|---|
| **Vioscale score** | 17.8 (15% (low)) | 26.8 (23% (low)) |
| activity.commits_last_30d | 0 | 11 |
| adoption.dependent_repos | 1 | 0 |
| adoption.github_stars | 15,469 | 11,785 |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | A free, open-source framework for building and deploying speech recognition systems, supporting multiple platforms from desktop to mobile and in-browser execution. | 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. |
| integrations.count | - | 2 |
| integrations.list | - | `[{"name":"HuggingFace"},{"name":"Orion"}]` |
| language.primary | Shell | Python |
| license.spdx | - | Apache-2.0 |
| platform.support | `{"cli":true,"mac":true,"web":true,"linux":true,"android":true,"windows":true}` | - |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://kaldi-asr.org/","retrievedAt":"2026-08-20T12:17:47.249Z"}` | `{"type":"open_source","summary":"Free and open source (Apache License)","freeTier":true,"sourceUrl":"https://speechbrain.github.io/","retrievedAt":"2026-08-20T14:05:43.501Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| pricing.transparent | - | 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.scorecard | 3.9 | - |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=conda&package_name=kaldi&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%2Fspeechbrain%2Fspeechbrain&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Speech To Text)

| Capability | Kaldi | SpeechBrain |
|---|:--:|:--:|
| **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 2026-09-01T16:43:12.569Z. "-" = undocumented, not absent.*