--- title: "MockingBird vs stt" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/babysor-mockingbird-vs-jianchang512-stt" tools: ["babysor-mockingbird", "jianchang512-stt"] --- # MockingBird vs stt *GraphCanon updated Jul 11, 2026* ## Verdict Pick MockingBird when license: MockingBird is Other, stt is GPL-3.0; pick stt when license: stt is GPL-3.0, MockingBird is Other. [MockingBird](https://github.com/babysor/MockingBird) reports 37k GitHub stars, 5.2k forks, and 482 open issues, last pushed Mar 3, 2026. [stt](https://pyvideotrans.com) has 4.7k stars, 494 forks, and 100 open issues, last pushed Jan 22, 2026. Figures are from public GitHub metadata via [MockingBird's repository](https://github.com/babysor/MockingBird) and [stt's repository](https://github.com/jianchang512/stt). | | [MockingBird](/tools/babysor-mockingbird.md) | [stt](/tools/jianchang512-stt.md) | | --- | --- | --- | | Tagline | 🚀Clone a voice in 5 seconds to generate arbitrary speech in real-time | 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 | 36,920 | 4,664 | | Forks | 5,198 | 494 | | Open issues | 482 | 100 | | Language | Python | Python | | Adopt for | - | - | | Persona | - | - | | Runtime | - | - | | License | Other | GPL-3.0 | | Categories | Inference & Serving, Model Training, Speech & Audio | Inference & Serving, Model Training, Speech & Audio | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [MockingBird](/tools/babysor-mockingbird.md) | [stt](/tools/jianchang512-stt.md) | | --- | --- | --- | | Days since push | 129d | 170d | | Open issues (now) | 482 | 100 | | Security scan | 4 low (4 low) | 1 critical, 2 high, 3 medium, 21 low (1 critical, 2 high, 3 medium, 21 low) | | Full report | [trust report](/tools/babysor-mockingbird/trust.md) | [trust report](/tools/jianchang512-stt/trust.md) | ## Shared compatibility - **Python**: [MockingBird](/tools/babysor-mockingbird.md) - Python runtime; [stt](/tools/jianchang512-stt.md) - Python runtime ## Choose when ### Choose MockingBird if… - License: MockingBird is Other, stt is GPL-3.0. - Tags unique to MockingBird: ai, deep-learning, pytorch, text-to-speech. - MockingBird ships Docker support for self-hosted deployment. ### Choose stt if… - License: stt is GPL-3.0, MockingBird is Other. - Tags unique to stt: speech-recognition, speech-to-text, stt. - Leaner open-issue backlog (100). ## When NOT to use MockingBird - Last GitHub push was 130 days ago (slowing maintenance, Mar 3, 2026). Validate activity before betting a new project on MockingBird. - Inference & Serving: Self-hosting rarely beats a hosted API on cost until you have steady, high-volume traffic. - Model Training: Try prompting and RAG first; fine-tuning is the answer to style/format, not missing knowledge. ## 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. - Inference & Serving: Self-hosting rarely beats a hosted API on cost until you have steady, high-volume traffic. - Model Training: Try prompting and RAG first; fine-tuning is the answer to style/format, not missing knowledge. ## Common questions ### What is the difference between MockingBird and stt? MockingBird: 🚀Clone a voice in 5 seconds to generate arbitrary speech in real-time. 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 MockingBird over stt? Choose MockingBird over stt when License: MockingBird is Other, stt is GPL-3.0; Tags unique to MockingBird: ai, deep-learning, pytorch, text-to-speech; MockingBird ships Docker support for self-hosted deployment. ### When should I choose stt over MockingBird? Choose stt over MockingBird when License: stt is GPL-3.0, MockingBird is Other; Tags unique to stt: speech-recognition, speech-to-text, stt; Leaner open-issue backlog (100). ### When should I avoid MockingBird? Last GitHub push was 130 days ago (slowing maintenance, Mar 3, 2026). Validate activity before betting a new project on MockingBird. Inference & Serving: Self-hosting rarely beats a hosted API on cost until you have steady, high-volume traffic. Model Training: Try prompting and RAG first; fine-tuning is the answer to style/format, not missing knowledge. ### 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. Inference & Serving: Self-hosting rarely beats a hosted API on cost until you have steady, high-volume traffic. Model Training: Try prompting and RAG first; fine-tuning is the answer to style/format, not missing knowledge. ### Is MockingBird or stt more popular on GitHub? MockingBird has more GitHub stars (36,920 vs 4,664). Stars measure visibility, not whether either tool fits your constraints. ### Are MockingBird and stt open source? Yes - both are open-source projects on GitHub (MockingBird: Other, stt: GPL-3.0). ### Where can I find alternatives to MockingBird or stt? GraphCanon lists graph-backed alternatives at [MockingBird alternatives](/tools/babysor-mockingbird/alternatives) and [stt alternatives](/tools/jianchang512-stt/alternatives) ([MockingBird markdown twin](/tools/babysor-mockingbird/alternatives.md), [stt markdown twin](/tools/jianchang512-stt/alternatives.md)), 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](/compare/babysor-mockingbird-vs-jianchang512-stt.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, MockingBird or stt? MockingBird: Slowing. 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 MockingBird and stt? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [MockingBird trust report](/tools/babysor-mockingbird/trust); [stt trust report](/tools/jianchang512-stt/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=babysor-mockingbird`](/api/graphcanon/graph?tool=babysor-mockingbird) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_