--- title: "Confucius4-TTS vs VoxCPM" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/netease-youdao-confucius4-tts-vs-openbmb-voxcpm" tools: ["netease-youdao-confucius4-tts", "openbmb-voxcpm"] --- # Confucius4-TTS vs VoxCPM *GraphCanon updated Aug 24, 2026* ## Verdict Pick Confucius4-TTS if powerful cross-lingual TTS for multilingual audio projects with no need for model fine-tuning; pick VoxCPM if voxCPM is a tokenizer-free TTS tool excelling in multilingual speech generation, creative voice design, and lifelike cloning. [Confucius4-TTS](https://github.com/netease-youdao/Confucius4-TTS) reports 773 GitHub stars, 76 forks, and 11 open issues, last pushed Aug 18, 2026. [VoxCPM](https://voxcpm.com) has 34k stars, 3.9k forks, and 99 open issues, last pushed Jul 8, 2026. Figures are from public GitHub metadata via [Confucius4-TTS's repository](https://github.com/netease-youdao/Confucius4-TTS) and [VoxCPM's repository](https://github.com/OpenBMB/VoxCPM). | | [Confucius4-TTS](/tools/netease-youdao-confucius4-tts.md) | [VoxCPM](/tools/openbmb-voxcpm.md) | | --- | --- | --- | | Tagline | Multilingual and Cross-Lingual Zero-Shot TTS Engine | Tokenizer-Free TTS for Multilingual Speech Generation, Creative Voice Design, and True-to-Life Cloning | | Stars | 773 | 34,452 | | Forks | 76 | 3,939 | | Open issues | 11 | 99 | | Language | Python | Python | | Adopt for | Powerful cross-lingual TTS for multilingual audio projects with no need for model fine-tuning. | VoxCPM is a tokenizer-free TTS tool excelling in multilingual speech generation, creative voice design, and lifelike cloning. | | Persona | - | - | | Runtime | - | - | | License | Other | Apache-2.0 | | Categories | Speech & Audio | Inference & Serving, Speech & Audio | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [Confucius4-TTS](/tools/netease-youdao-confucius4-tts.md) | [VoxCPM](/tools/openbmb-voxcpm.md) | | --- | --- | --- | | Maintenance | Very active (96%) | Active (82%) | | Days since push | 5d | 20d | | Open issues (now) | 11 | 99 | | Stars delta | +60 (30d) | Unknown | | Open issues delta | +1 (30d) | Unknown | | Owner type | User | Organization | | Full report | [trust report](/tools/netease-youdao-confucius4-tts/trust.md) | [trust report](/tools/openbmb-voxcpm/trust.md) | ## Shared compatibility - **Python**: [Confucius4-TTS](/tools/netease-youdao-confucius4-tts.md) - Python runtime; [VoxCPM](/tools/openbmb-voxcpm.md) - Python runtime ## Decision facts: Confucius4-TTS - **Adopt for:** Powerful cross-lingual TTS for multilingual audio projects with no need for model fine-tuning. ## Decision facts: VoxCPM - **Requirements:** Python >= 3.10 (<3.13), PyTorch >= 2.5.0, CUDA >= 12.0.; For production deployment, Nano-vLLM is recommended for its high throughput and concurrent request support. - **Adopt for:** VoxCPM is a tokenizer-free TTS tool excelling in multilingual speech generation, creative voice design, and lifelike cloning. ## Choose when ### Choose Confucius4-TTS if… - License: Confucius4-TTS is Other, VoxCPM is Apache-2.0. - Tags unique to Confucius4-TTS: cross-lingual, deep-learning, fine-tuning, multi-lingual. - Project requires support for multiple languages without the necessity of model fine-tuning. ### Choose VoxCPM if… - License: VoxCPM is Apache-2.0, Confucius4-TTS is Other. - Requirements: Python >= 3.10 (<3.13), PyTorch >= 2.5.0, CUDA >= 12.0.; For production deployment, Nano-vLLM is recommended for its high throughput and concurrent request support.. - Tags unique to VoxCPM: deeplearning, minicpm, multilingual, python. - Also covers Inference & Serving. - When you need to generate high-quality, lifelike voice clones for multiple languages without the overhead of tokenizers. ## When NOT to use Confucius4-TTS - When project strictly demands language-specific TTS refinement and customization. - For scenarios needing real-time low-latency TTS performance as Confucius4-TTS focuses on cross-lingual capabilities rather than speed optimizations. ## When NOT to use VoxCPM - If your project is constrained by hardware with less powerful GPUs than NVIDIA RTX 4090, as VoxCPM might not provide optimal real-time factor performance. - When a simple text-to-speech solution suffices and does not require the advanced features like voice cloning or creative voice design that VoxCPM offers. ## Common questions ### What is the difference between Confucius4-TTS and VoxCPM? Confucius4-TTS: Multilingual and Cross-Lingual Zero-Shot TTS Engine. VoxCPM: Tokenizer-Free TTS for Multilingual Speech Generation, Creative Voice Design, and True-to-Life Cloning. See the comparison table for live GitHub stats and shared categories. ### When should I choose Confucius4-TTS over VoxCPM? Choose Confucius4-TTS over VoxCPM when License: Confucius4-TTS is Other, VoxCPM is Apache-2.0; Tags unique to Confucius4-TTS: cross-lingual, deep-learning, fine-tuning, multi-lingual; Project requires support for multiple languages without the necessity of model fine-tuning. ### When should I choose VoxCPM over Confucius4-TTS? Choose VoxCPM over Confucius4-TTS when License: VoxCPM is Apache-2.0, Confucius4-TTS is Other; Requirements: Python >= 3.10 (<3.13), PyTorch >= 2.5.0, CUDA >= 12.0.; For production deployment, Nano-vLLM is recommended for its high throughput and concurrent request support.; Tags unique to VoxCPM: deeplearning, minicpm, multilingual, python; Also covers Inference & Serving; When you need to generate high-quality, lifelike voice clones for multiple languages without the overhead of tokenizers. ### When should I avoid Confucius4-TTS? When project strictly demands language-specific TTS refinement and customization. For scenarios needing real-time low-latency TTS performance as Confucius4-TTS focuses on cross-lingual capabilities rather than speed optimizations. ### When should I avoid VoxCPM? If your project is constrained by hardware with less powerful GPUs than NVIDIA RTX 4090, as VoxCPM might not provide optimal real-time factor performance. When a simple text-to-speech solution suffices and does not require the advanced features like voice cloning or creative voice design that VoxCPM offers. ### Is Confucius4-TTS or VoxCPM more popular on GitHub? VoxCPM has more GitHub stars (34,452 vs 773). Stars measure visibility, not whether either tool fits your constraints. ### Are Confucius4-TTS and VoxCPM open source? Yes - both are open-source projects on GitHub (Confucius4-TTS: Other, VoxCPM: Apache-2.0). ### Where can I find alternatives to Confucius4-TTS or VoxCPM? GraphCanon lists graph-backed alternatives at [Confucius4-TTS alternatives](/tools/netease-youdao-confucius4-tts/alternatives) and [VoxCPM alternatives](/tools/openbmb-voxcpm/alternatives) ([Confucius4-TTS markdown twin](/tools/netease-youdao-confucius4-tts/alternatives.md), [VoxCPM markdown twin](/tools/openbmb-voxcpm/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/netease-youdao-confucius4-tts-vs-openbmb-voxcpm.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, Confucius4-TTS or VoxCPM? Confucius4-TTS: Very active. VoxCPM: 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 Confucius4-TTS and VoxCPM? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [Confucius4-TTS trust report](/tools/netease-youdao-confucius4-tts/trust); [VoxCPM trust report](/tools/openbmb-voxcpm/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=netease-youdao-confucius4-tts`](/api/graphcanon/graph?tool=netease-youdao-confucius4-tts) - 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/_