Comparison
stt vs FastChat
Verdict
Pick stt when license: stt is GPL-3.0, FastChat is Apache-2.0; pick FastChat when license: FastChat is Apache-2.0, stt is GPL-3.0.
Markdown twin · stt alternatives · FastChat alternatives
GraphCanon updated today
Trust & integrity
| Signal | stt | FastChat |
|---|---|---|
| Maintenance | Slowing (170d since push) As of today · github_public_v1 | Steady (71d since push) As of today · github_public_v1 |
| Provenance | Not a fork · Personal account As of today · github_public_v1 | Not a fork · Organization account As of today · github_public_v1 |
| Security (OSV) | 1 critical, 2 high, 3 medium, 21 low (1 critical, 2 high, 3 medium, 21 low) As of today · osv@v1 | No lockfile As of today · none |
Tagline
- stt
- Voice Recognition to Text Tool / 一个离线运行的本地音视频转字幕工具，输出json、srt字幕、纯文字格式
- FastChat
- An open platform for training, serving, and evaluating large language models
Stars
- stt
- 4.7k
- FastChat
- 39k
Forks
- stt
- 494
- FastChat
- 4.8k
Open issues
- stt
- 100
- FastChat
- 1.0k
Language
- stt
- Python
- FastChat
- Python
Adopt for
- stt
- -
- FastChat
- FastChat is a comprehensive open platform for managing large language models (LLMs) that includes capabilities for training, serving, evaluating, and comparing chatbot models via web UIs and RESTful APIs. It powers ChatB
Persona
- stt
- -
- FastChat
- -
Runtime
- stt
- -
- FastChat
- -
License
- stt
- GPL-3.0
- FastChat
- Apache-2.0
Last pushed
- stt
- Jan 22, 2026
- FastChat
- May 1, 2026
Categories
- stt
- Model Training, Inference & Serving, Speech & Audio
- FastChat
- LLM Frameworks, Model Training, Inference & Serving, Evaluation & Observability
Trust and health
Maintenance
- stt
- Slowing (36%)
- FastChat
- Steady (60%)
Days since push
- stt
- 170d
- FastChat
- 71d
Open issues (now)
- stt
- 100
- FastChat
- 1.0k
Owner type
- stt
- User
- FastChat
- Organization
Security scan
- stt
- 1 critical, 2 high, 3 medium, 21 low (1 critical, 2 high, 3 medium, 21 low)
- FastChat
- No lockfile
Full report
- stt
- Trust report
- FastChat
- Trust report
Shared compatibility
- Python · stt: Python runtime · FastChat: Python runtime
Choose stt if…
- License: stt is GPL-3.0, FastChat is Apache-2.0.
- Tags unique to stt: speech, speech-to-text, python, stt.
- Also covers Speech & Audio.
When NOT to use stt
- Last GitHub push was 171 days ago (slowing maintenance, Jan 22, 2026). Validate activity before betting a new project on stt.
- Model Training: Try prompting and RAG first; fine-tuning is the answer to style/format, not missing knowledge.
- Inference & Serving: Self-hosting rarely beats a hosted API on cost until you have steady, high-volume traffic.
Choose FastChat if…
- License: FastChat is Apache-2.0, stt is GPL-3.0.
- Tags unique to FastChat: evaluation system, large-language-models, chatbots, distributed serving.
- Also covers LLM Frameworks, Evaluation & Observability.
- - You are looking to train and evaluate state-of-the-art models such as Vicuna or MT-Bench.
When NOT to use FastChat
- - You require a proprietary or closed-source framework; FastChat is open-source under Apache-2.0 license and its use might be unsuitable for environments requiring proprietary solutions.
- - Your chatbot evaluation needs do not align with the types of data used in FastChat's datasets (e.g., human votes, MT-Bench evaluations).
- - You prefer a more user-friendly setup without the need to clone a repository and manually install dependencies; FastChat requires installation from source with additional steps for Rust and CMake on
- + Mac.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (jianchang512/stt) · observed Jul 11, 2026
- GitHub forks (jianchang512/stt) · observed Jul 11, 2026
- Last push (jianchang512/stt) · observed Jan 22, 2026
- License file (GPL-3.0) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (lm-sys/FastChat) · observed Jul 11, 2026
- GitHub forks (lm-sys/FastChat) · observed Jul 11, 2026
- Last push (lm-sys/FastChat) · observed May 1, 2026
- License file (Apache-2.0) · observed Jul 11, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: stt 4.7k · FastChat 39k (synced Jul 11, 2026).
Common questions
- What is the difference between stt and FastChat?
- stt: Voice Recognition to Text Tool / 一个离线运行的本地音视频转字幕工具，输出json、srt字幕、纯文字格式. FastChat: An open platform for training, serving, and evaluating large language models. See the comparison table for live GitHub stats and shared categories.
- When should I choose stt over FastChat?
- Choose stt over FastChat when License: stt is GPL-3.0, FastChat is Apache-2.0; Tags unique to stt: speech, speech-to-text, python, stt; Also covers Speech & Audio.
- When should I choose FastChat over stt?
- Choose FastChat over stt when License: FastChat is Apache-2.0, stt is GPL-3.0; Tags unique to FastChat: evaluation system, large-language-models, chatbots, distributed serving; Also covers LLM Frameworks, Evaluation & Observability; - You are looking to train and evaluate state-of-the-art models such as Vicuna or MT-Bench.
- When should I avoid stt?
- Last GitHub push was 171 days ago (slowing maintenance, Jan 22, 2026). Validate activity before betting a new project on stt. Model Training: Try prompting and RAG first; fine-tuning is the answer to style/format, not missing knowledge. Inference & Serving: Self-hosting rarely beats a hosted API on cost until you have steady, high-volume traffic.
- When should I avoid FastChat?
- - You require a proprietary or closed-source framework; FastChat is open-source under Apache-2.0 license and its use might be unsuitable for environments requiring proprietary solutions. - Your chatbot evaluation needs do not align with the types of data used in FastChat's datasets (e.g., human votes, MT-Bench evaluations). - You prefer a more user-friendly setup without the need to clone a repository and manually install dependencies; FastChat requires installation from source with additional steps for Rust and CMake on + Mac.
- Is stt or FastChat more popular on GitHub?
- FastChat has more GitHub stars (39,490 vs 4,664). Stars measure visibility, not whether either tool fits your constraints.
- Are stt and FastChat open source?
- Yes - both are open-source projects on GitHub (stt: GPL-3.0, FastChat: Apache-2.0).
- Where can I find alternatives to stt or FastChat?
- GraphCanon lists graph-backed alternatives at stt alternatives and FastChat alternatives (stt markdown twin, FastChat 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, stt or FastChat?
- stt: Slowing. FastChat: Steady. 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 stt and FastChat?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: stt trust report; FastChat trust report.