Comparison
whisper.cpp vs stt
Verdict
Pick whisper.cpp when whisper.cpp is primarily C++; stt is Python; pick stt when stt is primarily Python; whisper.cpp is C++.
Markdown twin · whisper.cpp alternatives · stt alternatives
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Trust & integrity
| Signal | whisper.cpp | stt |
|---|---|---|
| Maintenance | Very active (0d since push) As of today · github_public_v1 | Slowing (170d since push) As of today · github_public_v1 |
| Provenance | Not a fork · Organization account As of today · github_public_v1 | Not a fork · Personal account As of today · github_public_v1 |
| Security (OSV) | No lockfile As of today · none | 1 critical, 2 high, 3 medium, 21 low (1 critical, 2 high, 3 medium, 21 low) As of today · osv@v1 |
Tagline
- whisper.cpp
- Port of OpenAI's Whisper model in C/C++ for speech-to-text inference
- 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
Stars
- whisper.cpp
- 52k
- stt
- 4.7k
Forks
- whisper.cpp
- 5.9k
- stt
- 494
Open issues
- whisper.cpp
- 1.2k
- stt
- 100
Language
- whisper.cpp
- C++
- stt
- Python
Adopt for
- whisper.cpp
- A port of OpenAI's Whisper model to C++, optimized with `ggml`, for lightweight speech-to-text transcription.
- stt
- -
Persona
- whisper.cpp
- -
- stt
- -
Runtime
- whisper.cpp
- -
- stt
- -
License
- whisper.cpp
- MIT License - permissive license that allows users to use the software in any way, including closed-source applications.
- stt
- GPL-3.0
Last pushed
- whisper.cpp
- Jul 11, 2026
- stt
- Jan 22, 2026
Categories
- whisper.cpp
- Inference & Serving, Speech & Audio
- stt
- Model Training, Inference & Serving, Speech & Audio
Trust and health
Maintenance
- whisper.cpp
- Very active (96%)
- stt
- Slowing (36%)
Days since push
- whisper.cpp
- 0d
- stt
- 170d
Open issues (now)
- whisper.cpp
- 1.2k
- stt
- 100
Owner type
- whisper.cpp
- Organization
- stt
- User
Security scan
- whisper.cpp
- No lockfile
- stt
- 1 critical, 2 high, 3 medium, 21 low (1 critical, 2 high, 3 medium, 21 low)
Full report
- whisper.cpp
- Trust report
- stt
- Trust report
Choose whisper.cpp if…
- whisper.cpp is primarily C++; stt is Python.
- License: whisper.cpp is MIT, stt is GPL-3.0.
- Requirements: Requires C++ setup and knowledge; Needs audio files converted into a compatible format supported by `ggml`..
- Tags unique to whisper.cpp: openai, transformer, whisper, inference.
- You need a lightweight solution that does not require Python or PyTorch
When NOT to use whisper.cpp
- When you prefer to work with higher-level languages like Python which might offer more ease-of-use and extensive libraries
- If your project requires real-time speech transcription and has limited computational resources as `ggml` optimization might still require significant CPU/GPU power for high-performance
Choose stt if…
- stt is primarily Python; whisper.cpp is C++.
- License: stt is GPL-3.0, whisper.cpp is MIT.
- Tags unique to stt: speech, python, stt.
- Also covers Model Training.
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.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (ggml-org/whisper.cpp) · observed Jul 11, 2026
- GitHub forks (ggml-org/whisper.cpp) · observed Jul 11, 2026
- Last push (ggml-org/whisper.cpp) · observed Jul 11, 2026
- License file (MIT) · observed Jul 11, 2026
- Decision facts (enrichment) · observed Jul 12, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- 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 on cards: whisper.cpp 52k · stt 4.7k (synced Jul 11, 2026).
Common questions
- What is the difference between whisper.cpp and stt?
- whisper.cpp: Port of OpenAI's Whisper model in C/C++ for speech-to-text inference. 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. See the comparison table for live GitHub stats and shared categories.
- When should I choose whisper.cpp over stt?
- Choose whisper.cpp over stt when whisper.cpp is primarily C++; stt is Python; License: whisper.cpp is MIT, stt is GPL-3.0; Requirements: Requires C++ setup and knowledge; Needs audio files converted into a compatible format supported by
ggml.; Tags unique to whisper.cpp: openai, transformer, whisper, inference; You need a lightweight solution that does not require Python or PyTorch. - When should I choose stt over whisper.cpp?
- Choose stt over whisper.cpp when stt is primarily Python; whisper.cpp is C++; License: stt is GPL-3.0, whisper.cpp is MIT; Tags unique to stt: speech, python, stt; Also covers Model Training.
- When should I avoid whisper.cpp?
- When you prefer to work with higher-level languages like Python which might offer more ease-of-use and extensive libraries If your project requires real-time speech transcription and has limited computational resources as
ggmloptimization might still require significant CPU/GPU power for high-performance - 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.
- Is whisper.cpp or stt more popular on GitHub?
- whisper.cpp has more GitHub stars (51,715 vs 4,664). Stars measure visibility, not whether either tool fits your constraints.
- Are whisper.cpp and stt open source?
- Yes - both are open-source projects on GitHub (whisper.cpp: MIT, stt: GPL-3.0).
- Where can I find alternatives to whisper.cpp or stt?
- GraphCanon lists graph-backed alternatives at whisper.cpp alternatives and stt alternatives (whisper.cpp markdown twin, stt 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, whisper.cpp or stt?
- whisper.cpp: Very active. stt: 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 whisper.cpp and stt?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: whisper.cpp trust report; stt trust report.