Comparison
kaldi vs Amphion
Verdict
Pick kaldi if kaldi stands out among speech recognition toolkits with its comprehensive C++ libraries and strong community support for contributors; pick Amphion if amphion offers support for reproducible research in audio, music, and speech generation through Python dependencies and Docker images that junior researchers and engineers can readily use.
Markdown twin · kaldi alternatives · Amphion alternatives
GraphCanon updated 3w
Trust & integrity
| Signal | kaldi | Amphion |
|---|---|---|
| Maintenance | Slowing (310d since push) As of 3w · github_public_v1 | Slowing (125d since push) As of 3w · github_public_v1 |
| Provenance | Not a fork · Organization account As of 3w · github_public_v1 | Not a fork · Organization account As of 3w · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of 1mo · osv@v1 | No lockfile (source not queried) As of 1mo · osv@v1 |
| deps.dev advisories | Not queried deps.dev@v1 | Not queried deps.dev@v1 |
| OpenSSF Scorecard | Not queried openssf-scorecard@v1 | Not queried openssf-scorecard@v1 |
Tagline
- kaldi
- Kaldi Speech Recognition Toolkit
- Amphion
- A toolkit for Audio, Music, and Speech Generation to support reproducible research
Stars
- kaldi
- 15k
- Amphion
- 10.0k
Forks
- kaldi
- 5.4k
- Amphion
- 830
Open issues
- kaldi
- 260
- Amphion
- 175
Language
- kaldi
- Shell
- Amphion
- Python
Adopt for
- kaldi
- Kaldi stands out among speech recognition toolkits with its comprehensive C++ libraries and strong community support for contributors.
- Amphion
- Amphion offers support for reproducible research in audio, music, and speech generation through Python dependencies and Docker images that junior researchers and engineers can readily use.
Persona
- kaldi
- -
- Amphion
- -
Runtime
- kaldi
- -
- Amphion
- -
License
- kaldi
- Other
- Amphion
- MIT
Last pushed
- kaldi
- Sep 22, 2025
- Amphion
- Mar 25, 2026
Categories
- kaldi
- Speech & Audio
- Amphion
- Speech & Audio
Trust and health
Days since push
- kaldi
- 310d
- Amphion
- 125d
Open issues (now)
- kaldi
- 260
- Amphion
- 175
Full report
- kaldi
- Trust report
- Amphion
- Trust report
Choose kaldi if…
- kaldi is primarily Shell; Amphion is Python.
- License: kaldi is Other, Amphion is MIT.
- Tags unique to kaldi: c-plus-plus, cuda, speaker-id, speaker-verification.
- For developers preferring a deep customization of speech recognition algorithms in C++
When NOT to use kaldi
- If you require extensive pre-built support and documentation for non-UNIX systems like Windows outside Cygwin environment
- For users seeking a purely Python-based ecosystem for developing speech recognition applications without the need to compile C++ code
Choose Amphion if…
- Amphion is primarily Python; kaldi is Shell.
- License: Amphion is MIT, kaldi is Other.
- Tags unique to Amphion: audio-generation, music-generation, singing-voice-conversion, speech-synthesis.
- Amphion ships Docker support for self-hosted deployment.
- When you are new to the field of audio, music, or speech generation and seeking a toolkit that simplifies setup with Python dependencies and Docker images.
When NOT to use Amphion
- If you require advanced customization beyond what the provided Python packages offer, since Amphion caters more to getting started quickly without deep configuration.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (kaldi-asr/kaldi) · observed Jul 30, 2026
- GitHub forks (kaldi-asr/kaldi) · observed Jul 30, 2026
- Last push (kaldi-asr/kaldi) · observed Sep 22, 2025
- License file (Other) · observed Jul 30, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (open-mmlab/Amphion) · observed Jul 29, 2026
- GitHub forks (open-mmlab/Amphion) · observed Jul 29, 2026
- Last push (open-mmlab/Amphion) · observed Mar 25, 2026
- License file (MIT) · observed Jul 29, 2026
- Decision facts (enrichment) · observed Jul 16, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: kaldi 15k · Amphion 10.0k (synced Jul 30, 2026).
Common questions
- What is the difference between kaldi and Amphion?
- kaldi: Kaldi Speech Recognition Toolkit. Amphion: A toolkit for Audio, Music, and Speech Generation to support reproducible research. See the comparison table for live GitHub stats and shared categories.
- When should I choose kaldi over Amphion?
- Choose kaldi over Amphion when kaldi is primarily Shell; Amphion is Python; License: kaldi is Other, Amphion is MIT; Tags unique to kaldi: c-plus-plus, cuda, speaker-id, speaker-verification; For developers preferring a deep customization of speech recognition algorithms in C++.
- When should I choose Amphion over kaldi?
- Choose Amphion over kaldi when Amphion is primarily Python; kaldi is Shell; License: Amphion is MIT, kaldi is Other; Tags unique to Amphion: audio-generation, music-generation, singing-voice-conversion, speech-synthesis; Amphion ships Docker support for self-hosted deployment; When you are new to the field of audio, music, or speech generation and seeking a toolkit that simplifies setup with Python dependencies and Docker images.
- When should I avoid kaldi?
- If you require extensive pre-built support and documentation for non-UNIX systems like Windows outside Cygwin environment For users seeking a purely Python-based ecosystem for developing speech recognition applications without the need to compile C++ code
- When should I avoid Amphion?
- If you require advanced customization beyond what the provided Python packages offer, since Amphion caters more to getting started quickly without deep configuration.
- Is kaldi or Amphion more popular on GitHub?
- kaldi has more GitHub stars (15,442 vs 9,973). Stars measure visibility, not whether either tool fits your constraints.
- Are kaldi and Amphion open source?
- Yes - both are open-source projects on GitHub (kaldi: Other, Amphion: MIT).
- Where can I find alternatives to kaldi or Amphion?
- GraphCanon lists graph-backed alternatives at kaldi alternatives and Amphion alternatives (kaldi markdown twin, Amphion markdown twin), ranked by typed relationship edges rather than popularity votes.
- Is there a machine-readable version of this comparison?
- Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
- Which is better maintained, kaldi or Amphion?
- kaldi: Slowing. Amphion: Slowing. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.
- Where are the full trust reports for kaldi and Amphion?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: kaldi trust report; Amphion trust report.