--- title: "Chatterbox-TTS-Server vs sherpa-onnx" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/devnen-chatterbox-tts-server-vs-k2-fsa-sherpa-onnx" tools: ["devnen-chatterbox-tts-server", "k2-fsa-sherpa-onnx"] --- # Chatterbox-TTS-Server vs sherpa-onnx *GraphCanon updated Sep 20, 2026* ## Verdict Pick Chatterbox-TTS-Server if chatterbox-TTS-Server: Self-hostable TTS solution with Web UI, APIs, voice cloning, and large-scale text support across CUDA, ROCm, CPU; pick sherpa-onnx if sherpa-onnx offers local speech-to-text processing across multiple platforms including embedded systems with NPUs, supporting wide programming languages. [Chatterbox-TTS-Server](https://colab.research.google.com/github/devnen/Chatterbox-TTS-Server/blob/main/Chatterbox_TTS_Colab_Demo.ipynb) reports 1.4k GitHub stars, 356 forks, and 53 open issues, last pushed May 26, 2026. [sherpa-onnx](https://k2-fsa.github.io/sherpa/onnx/index.html) has 15k stars, 1.7k forks, and 620 open issues, last pushed Sep 20, 2026. Figures are from public GitHub metadata via [Chatterbox-TTS-Server's repository](https://github.com/devnen/Chatterbox-TTS-Server) and [sherpa-onnx's repository](https://github.com/k2-fsa/sherpa-onnx). | | [Chatterbox-TTS-Server](/tools/devnen-chatterbox-tts-server.md) | [sherpa-onnx](/tools/k2-fsa-sherpa-onnx.md) | | --- | --- | --- | | Tagline | Self-host the Chatterbox TTS model with a user-friendly Web UI and flexible API endpoints | Speech-to-text and related audio processing tools using ONNX with cross-platform support | | Stars | 1,447 | 14,860 | | Forks | 356 | 1,708 | | Open issues | 53 | 620 | | Language | Python | C++ | | Adopt for | Chatterbox-TTS-Server: Self-hostable TTS solution with Web UI, APIs, voice cloning, and large-scale text support across CUDA, ROCm, CPU. | sherpa-onnx offers local speech-to-text processing across multiple platforms including embedded systems with NPUs, supporting wide programming languages. | | Persona | - | - | | Runtime | - | - | | License | MIT License, open-source with permissive terms for modification and distribution. | Apache-2.0 | | Categories | Speech & Audio | Speech & Audio | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [Chatterbox-TTS-Server](/tools/devnen-chatterbox-tts-server.md) | [sherpa-onnx](/tools/k2-fsa-sherpa-onnx.md) | | --- | --- | --- | | Maintenance | Slowing (36%) | Very active (96%) | | Days since push | 116d | 0d | | Open issues (now) | 53 | 620 | | Stars delta | +68 (30d) | +1.0k (30d) | | Open issues delta | +8 (30d) | +3 (30d) | | Owner type | User | Organization | | Full report | [trust report](/tools/devnen-chatterbox-tts-server/trust.md) | [trust report](/tools/k2-fsa-sherpa-onnx/trust.md) | ## Shared compatibility - **Python**: [Chatterbox-TTS-Server](/tools/devnen-chatterbox-tts-server.md) - Python runtime; [sherpa-onnx](/tools/k2-fsa-sherpa-onnx.md) - Python runtime ## Decision facts: Chatterbox-TTS-Server - **Requirements:** Python 3.10 needed for pre-built wheels; avoid Python >=3.11 due to lack of support.; Ensure hardware and driver meets the Hardware Compatibility Matrix requirements. - **Adopt for:** Chatterbox-TTS-Server: Self-hostable TTS solution with Web UI, APIs, voice cloning, and large-scale text support across CUDA, ROCm, CPU. - **License detail:** MIT License, open-source with permissive terms for modification and distribution. ## Decision facts: sherpa-onnx - **Adopt for:** sherpa-onnx offers local speech-to-text processing across multiple platforms including embedded systems with NPUs, supporting wide programming languages. ## Choose when ### Choose Chatterbox-TTS-Server if… - Chatterbox-TTS-Server is primarily Python; sherpa-onnx is C++. - License: Chatterbox-TTS-Server is MIT, sherpa-onnx is Apache-2.0. - Requirements: Python 3.10 needed for pre-built wheels; avoid Python >=3.11 due to lack of support.; Ensure hardware and driver meets the Hardware Compatibility Matrix requirements.. - Tags unique to Chatterbox-TTS-Server: ai, api-server, audio-generation, chatterbox. - Chatterbox-TTS-Server ships Docker support for self-hosted deployment. - You need a self-hosted Text-to-Speech service that supports advanced features like voice cloning. ### Choose sherpa-onnx if… - sherpa-onnx is primarily C++; Chatterbox-TTS-Server is Python. - License: sherpa-onnx is Apache-2.0, Chatterbox-TTS-Server is MIT. - Tags unique to sherpa-onnx: aarch64, android, arm32, asr. - When you need to deploy speech recognition or synthesis on platforms such as Raspberry Pi, RISC-V, and with NPUs like Rockchip, Axera, Ascend ## When NOT to use Chatterbox-TTS-Server - When only pre-built wheels and no flexibility with Python versions is required (strictly follows Python 3.10). - If your hardware or OS lacks support detailed in the compatibility matrix, like unsupported GPUs/CPU setups. - For projects requiring minimal dependencies without manual handling of installation intricacies. ## When NOT to use sherpa-onnx - If your project strictly requires real-time web service interaction or server-based speech-to-text solutions - When the target environment lacks support for ONNX runtime and specific NPUs integrated within sherpa-onnx ## Common questions ### What is the difference between Chatterbox-TTS-Server and sherpa-onnx? Chatterbox-TTS-Server: Self-host the Chatterbox TTS model with a user-friendly Web UI and flexible API endpoints. sherpa-onnx: Speech-to-text and related audio processing tools using ONNX with cross-platform support. See the comparison table for live GitHub stats and shared categories. ### When should I choose Chatterbox-TTS-Server over sherpa-onnx? Choose Chatterbox-TTS-Server over sherpa-onnx when Chatterbox-TTS-Server is primarily Python; sherpa-onnx is C++; License: Chatterbox-TTS-Server is MIT, sherpa-onnx is Apache-2.0; Requirements: Python 3.10 needed for pre-built wheels; avoid Python >=3.11 due to lack of support.; Ensure hardware and driver meets the Hardware Compatibility Matrix requirements.; Tags unique to Chatterbox-TTS-Server: ai, api-server, audio-generation, chatterbox; Chatterbox-TTS-Server ships Docker support for self-hosted deployment; You need a self-hosted Text-to-Speech service that supports advanced features like voice cloning. ### When should I choose sherpa-onnx over Chatterbox-TTS-Server? Choose sherpa-onnx over Chatterbox-TTS-Server when sherpa-onnx is primarily C++; Chatterbox-TTS-Server is Python; License: sherpa-onnx is Apache-2.0, Chatterbox-TTS-Server is MIT; Tags unique to sherpa-onnx: aarch64, android, arm32, asr; When you need to deploy speech recognition or synthesis on platforms such as Raspberry Pi, RISC-V, and with NPUs like Rockchip, Axera, Ascend. ### When should I avoid Chatterbox-TTS-Server? When only pre-built wheels and no flexibility with Python versions is required (strictly follows Python 3.10). If your hardware or OS lacks support detailed in the compatibility matrix, like unsupported GPUs/CPU setups. For projects requiring minimal dependencies without manual handling of installation intricacies. ### When should I avoid sherpa-onnx? If your project strictly requires real-time web service interaction or server-based speech-to-text solutions When the target environment lacks support for ONNX runtime and specific NPUs integrated within sherpa-onnx ### Is Chatterbox-TTS-Server or sherpa-onnx more popular on GitHub? sherpa-onnx has more GitHub stars (14,860 vs 1,447). Stars measure visibility, not whether either tool fits your constraints. ### Are Chatterbox-TTS-Server and sherpa-onnx open source? Yes - both are open-source projects on GitHub (Chatterbox-TTS-Server: MIT, sherpa-onnx: Apache-2.0). ### Where can I find alternatives to Chatterbox-TTS-Server or sherpa-onnx? GraphCanon lists graph-backed alternatives at [Chatterbox-TTS-Server alternatives](/tools/devnen-chatterbox-tts-server/alternatives) and [sherpa-onnx alternatives](/tools/k2-fsa-sherpa-onnx/alternatives) ([Chatterbox-TTS-Server markdown twin](/tools/devnen-chatterbox-tts-server/alternatives.md), [sherpa-onnx markdown twin](/tools/k2-fsa-sherpa-onnx/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/devnen-chatterbox-tts-server-vs-k2-fsa-sherpa-onnx.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, Chatterbox-TTS-Server or sherpa-onnx? Chatterbox-TTS-Server: Slowing. sherpa-onnx: Very active. 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 Chatterbox-TTS-Server and sherpa-onnx? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [Chatterbox-TTS-Server trust report](/tools/devnen-chatterbox-tts-server/trust); [sherpa-onnx trust report](/tools/k2-fsa-sherpa-onnx/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=devnen-chatterbox-tts-server`](/api/graphcanon/graph?tool=devnen-chatterbox-tts-server) - 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/_