--- title: "CosyVoice vs whisper-writer" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/funaudiollm-cosyvoice-vs-savbell-whisper-writer" tools: ["funaudiollm-cosyvoice", "savbell-whisper-writer"] --- # CosyVoice vs whisper-writer *GraphCanon updated Jul 12, 2026* ## Verdict Pick CosyVoice when license: CosyVoice is Apache-2.0, whisper-writer is GPL-3.0; pick whisper-writer when license: whisper-writer is GPL-3.0, CosyVoice is Apache-2.0. [CosyVoice](https://funaudiollm.github.io/cosyvoice3) reports 22k GitHub stars, 2.5k forks, and 767 open issues, last pushed May 25, 2026. [whisper-writer](https://github.com/savbell/whisper-writer) has 1.1k stars, 191 forks, and 82 open issues, last pushed Aug 24, 2024. Figures are from public GitHub metadata via [CosyVoice's repository](https://github.com/FunAudioLLM/CosyVoice) and [whisper-writer's repository](https://github.com/savbell/whisper-writer). | | [CosyVoice](/tools/funaudiollm-cosyvoice.md) | [whisper-writer](/tools/savbell-whisper-writer.md) | | --- | --- | --- | | Tagline | Multi-lingual large voice generation model with full-stack abilities for inference, training and deployment. | 💬📝 A small dictation app using OpenAI's Whisper speech recognition model. | | Stars | 22,089 | 1,075 | | Forks | 2,545 | 191 | | Open issues | 767 | 82 | | Language | Python | Python | | Adopt for | CosyVoice is a Python-based multi-lingual large voice generation model. It supports extensive capabilities including fine-tuning, TTS (Text-To-Speech), and natural language generation. | - | | Persona | - | - | | Runtime | - | - | | License | Apache-2.0 | GPL-3.0 | | Categories | Inference & Serving, Model Training, Speech & Audio | Speech & Audio | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [CosyVoice](/tools/funaudiollm-cosyvoice.md) | [whisper-writer](/tools/savbell-whisper-writer.md) | | --- | --- | --- | | Maintenance | Steady (60%) | Dormant (18%) | | Days since push | 46d | 685d | | Open issues (now) | 767 | 82 | | Owner type | Organization | User | | Security scan | No lockfile | 123 low (123 low) | | Full report | [trust report](/tools/funaudiollm-cosyvoice/trust.md) | [trust report](/tools/savbell-whisper-writer/trust.md) | ## Decision facts: CosyVoice - **Adopt for:** CosyVoice is a Python-based multi-lingual large voice generation model. It supports extensive capabilities including fine-tuning, TTS (Text-To-Speech), and natural language generation. ## Choose when ### Choose CosyVoice if… - License: CosyVoice is Apache-2.0, whisper-writer is GPL-3.0. - Tags unique to CosyVoice: audio-generation, cantonese, chatbot, chatgpt. - Also covers Inference & Serving, Model Training. - When you need support for multiple languages like Cantonese, Chinese, English, Japanese, and Korean. ### Choose whisper-writer if… - License: whisper-writer is GPL-3.0, CosyVoice is Apache-2.0. - Tags unique to whisper-writer: dictation, faster-whisper, openai, openai-api. - Leaner open-issue backlog (82). ## When NOT to use CosyVoice - If your project specifically requires fine-tuned performance in languages not supported by CosyVoice such as Arabic or Spanish. - When strict real-time speech synthesis requirements are essential, as CosyVoice may face delays depending on the environment's computational power and model complexity. ## When NOT to use whisper-writer - Last GitHub push was 686 days ago (dormant maintenance, Aug 24, 2024). Validate activity before betting a new project on whisper-writer. ## Common questions ### What is the difference between CosyVoice and whisper-writer? CosyVoice: Multi-lingual large voice generation model with full-stack abilities for inference, training and deployment.. whisper-writer: 💬📝 A small dictation app using OpenAI's Whisper speech recognition model.. See the comparison table for live GitHub stats and shared categories. ### When should I choose CosyVoice over whisper-writer? Choose CosyVoice over whisper-writer when License: CosyVoice is Apache-2.0, whisper-writer is GPL-3.0; Tags unique to CosyVoice: audio-generation, cantonese, chatbot, chatgpt; Also covers Inference & Serving, Model Training; When you need support for multiple languages like Cantonese, Chinese, English, Japanese, and Korean. ### When should I choose whisper-writer over CosyVoice? Choose whisper-writer over CosyVoice when License: whisper-writer is GPL-3.0, CosyVoice is Apache-2.0; Tags unique to whisper-writer: dictation, faster-whisper, openai, openai-api; Leaner open-issue backlog (82). ### When should I avoid CosyVoice? If your project specifically requires fine-tuned performance in languages not supported by CosyVoice such as Arabic or Spanish. When strict real-time speech synthesis requirements are essential, as CosyVoice may face delays depending on the environment's computational power and model complexity. ### When should I avoid whisper-writer? Last GitHub push was 686 days ago (dormant maintenance, Aug 24, 2024). Validate activity before betting a new project on whisper-writer. ### Is CosyVoice or whisper-writer more popular on GitHub? CosyVoice has more GitHub stars (22,089 vs 1,075). Stars measure visibility, not whether either tool fits your constraints. ### Are CosyVoice and whisper-writer open source? Yes - both are open-source projects on GitHub (CosyVoice: Apache-2.0, whisper-writer: GPL-3.0). ### Where can I find alternatives to CosyVoice or whisper-writer? GraphCanon lists graph-backed alternatives at [CosyVoice alternatives](/tools/funaudiollm-cosyvoice/alternatives) and [whisper-writer alternatives](/tools/savbell-whisper-writer/alternatives) ([CosyVoice markdown twin](/tools/funaudiollm-cosyvoice/alternatives.md), [whisper-writer markdown twin](/tools/savbell-whisper-writer/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/funaudiollm-cosyvoice-vs-savbell-whisper-writer.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, CosyVoice or whisper-writer? CosyVoice: Steady. whisper-writer: Dormant. 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 CosyVoice and whisper-writer? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [CosyVoice trust report](/tools/funaudiollm-cosyvoice/trust); [whisper-writer trust report](/tools/savbell-whisper-writer/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=funaudiollm-cosyvoice`](/api/graphcanon/graph?tool=funaudiollm-cosyvoice) - 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/_