--- title: "ChatTTS vs aichat" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/2noise-chattts-vs-sigoden-aichat" tools: ["2noise-chattts", "sigoden-aichat"] --- # ChatTTS vs aichat *GraphCanon updated Sep 30, 2026* ## Verdict Pick ChatTTS if chatTTS is a Python-based generative speech model for daily dialogue, supporting both Chinese and English languages. It offers a web interface and command-line inference capabilities; pick aichat if aichat. [ChatTTS](https://2noise.com) reports 40k GitHub stars, 4.3k forks, and 60 open issues, last pushed Apr 10, 2026. [aichat](https://github.com/sigoden/aichat) has 10k stars, 731 forks, and 95 open issues, last pushed Feb 23, 2026. Figures are from public GitHub metadata via [ChatTTS's repository](https://github.com/2noise/ChatTTS) and [aichat's repository](https://github.com/sigoden/aichat). | | [ChatTTS](/tools/2noise-chattts.md) | [aichat](/tools/sigoden-aichat.md) | | --- | --- | --- | | Tagline | A generative speech model for daily dialogue. | All-in-one LLM CLI tool featuring Shell Assistant, Chat-REPL, RAG, AI Tools & Agents | | Stars | 39,850 | 10,365 | | Forks | 4,260 | 731 | | Open issues | 60 | 95 | | Language | Python | Rust | | Adopt for | ChatTTS is a Python-based generative speech model for daily dialogue, supporting both Chinese and English languages. It offers a web interface and command-line inference capabilities. | aichat | | Persona | - | - | | Runtime | - | - | | License | AGPL-3.0 | Apache-2.0 | | Categories | LLM Frameworks, Speech & Audio | AI Agents, LLM Frameworks | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [ChatTTS](/tools/2noise-chattts.md) | [aichat](/tools/sigoden-aichat.md) | | --- | --- | --- | | Days since push | 160d | 176d | | Open issues (now) | 60 | 95 | | Stars delta | +82 (30d) | +111 (30d) | | Open issues delta | 0 (30d) | +5 (30d) | | Owner type | Organization | User | | Full report | [trust report](/tools/2noise-chattts/trust.md) | [trust report](/tools/sigoden-aichat/trust.md) | **Typed relationship:** ChatTTS _(depends on)_ aichat aichat is an all-in-one LLM CLI tool that could potentially integrate with ChatTTS for a complete conversational AI setup. ## Decision facts: ChatTTS - **Requirements:** Optional installations like vLLM and TransformerEngine are available but come with specific warnings and limitations. - **Adopt for:** ChatTTS is a Python-based generative speech model for daily dialogue, supporting both Chinese and English languages. It offers a web interface and command-line inference capabilities. - **License detail:** AGPL-3.0 ## Decision facts: aichat - **Adopt for:** aichat ## Choose when ### Choose ChatTTS if… - ChatTTS is primarily Python; aichat is Rust. - License: ChatTTS is AGPL-3.0, aichat is Apache-2.0. - Requirements: Optional installations like vLLM and TransformerEngine are available but come with specific warnings and limitations.. - aichat is an all-in-one LLM CLI tool that could potentially integrate with ChatTTS for a complete conversational AI setup. - Tags unique to ChatTTS: agent, chat, chatgpt, chattts. - Also covers Speech & Audio. - When you need a tool that supports both Chinese and English for daily dialogue generation. ### Choose aichat if… - aichat is primarily Rust; ChatTTS is Python. - License: aichat is Apache-2.0, ChatTTS is AGPL-3.0. - aichat is an all-in-one LLM CLI tool that could potentially integrate with ChatTTS for a complete conversational AI setup. - Tags unique to aichat: ai-agents, cli, function-calling, llm. - Also covers AI Agents. - You need a CLI tool that integrates seamlessly with various large language models such as OpenAI, Claude, Gemini, Ollama, Groq. ## When NOT to use ChatTTS - If you are working on a project that requires the use of TransformerEngine with NVIDIA GPU, as it is currently under development and cannot run properly. - When you need fast text-to-speech generation, as the optional installation of FlashAttention-2 can slow down the generating speed. - If you are not comfortable with a slow installation process, as noted in the repository documentation. ## When NOT to use aichat - You are looking specifically for a GUI-based tool, as aichat focuses on CLI operations. - If your main need is a highly specialized function for which there's another tool optimized better than aichat's more general approach. - You require real-time collaboration features that go beyond simple chat and command processing; aichat may not support such complex collaborative functionalities. ## Common questions ### What is the difference between ChatTTS and aichat? ChatTTS: A generative speech model for daily dialogue.. aichat: All-in-one LLM CLI tool featuring Shell Assistant, Chat-REPL, RAG, AI Tools & Agents. See the comparison table for live GitHub stats and shared categories. ### When should I choose ChatTTS over aichat? Choose ChatTTS over aichat when ChatTTS is primarily Python; aichat is Rust; License: ChatTTS is AGPL-3.0, aichat is Apache-2.0; Requirements: Optional installations like vLLM and TransformerEngine are available but come with specific warnings and limitations.; aichat is an all-in-one LLM CLI tool that could potentially integrate with ChatTTS for a complete conversational AI setup; Tags unique to ChatTTS: agent, chat, chatgpt, chattts; Also covers Speech & Audio; When you need a tool that supports both Chinese and English for daily dialogue generation. ### When should I choose aichat over ChatTTS? Choose aichat over ChatTTS when aichat is primarily Rust; ChatTTS is Python; License: aichat is Apache-2.0, ChatTTS is AGPL-3.0; aichat is an all-in-one LLM CLI tool that could potentially integrate with ChatTTS for a complete conversational AI setup; Tags unique to aichat: ai-agents, cli, function-calling, llm; Also covers AI Agents; You need a CLI tool that integrates seamlessly with various large language models such as OpenAI, Claude, Gemini, Ollama, Groq. ### When should I avoid ChatTTS? If you are working on a project that requires the use of TransformerEngine with NVIDIA GPU, as it is currently under development and cannot run properly. When you need fast text-to-speech generation, as the optional installation of FlashAttention-2 can slow down the generating speed. If you are not comfortable with a slow installation process, as noted in the repository documentation. ### When should I avoid aichat? You are looking specifically for a GUI-based tool, as aichat focuses on CLI operations. If your main need is a highly specialized function for which there's another tool optimized better than aichat's more general approach. You require real-time collaboration features that go beyond simple chat and command processing; aichat may not support such complex collaborative functionalities. ### Is ChatTTS or aichat more popular on GitHub? ChatTTS has more GitHub stars (39,850 vs 10,365). Stars measure visibility, not whether either tool fits your constraints. ### Are ChatTTS and aichat open source? Yes - both are open-source projects on GitHub (ChatTTS: AGPL-3.0, aichat: Apache-2.0). ### Where can I find alternatives to ChatTTS or aichat? GraphCanon lists graph-backed alternatives at [ChatTTS alternatives](/tools/2noise-chattts/alternatives) and [aichat alternatives](/tools/sigoden-aichat/alternatives) ([ChatTTS markdown twin](/tools/2noise-chattts/alternatives.md), [aichat markdown twin](/tools/sigoden-aichat/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/2noise-chattts-vs-sigoden-aichat.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, ChatTTS or aichat? ChatTTS: Slowing. aichat: 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 ChatTTS and aichat? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [ChatTTS trust report](/tools/2noise-chattts/trust); [aichat trust report](/tools/sigoden-aichat/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=2noise-chattts`](/api/graphcanon/graph?tool=2noise-chattts) - 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/_