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Open-source alternatives to ChatGPT

OpenAI's AI chat assistant for writing, coding, analysis and images.

6 open-source swaps563k GitHub stars between them

The open-source options, most starred first

Read from GitHub. Check the licence and what each one covers before you switch.

Run supported language models on your computer, with additional cloud options.

Stars
173k
Last commit
9 days ago
Licence
Not stated

User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

Stars
140k
Last commit
9 days ago
Licence
Not stated

🤯 LobeHub is your Chief Agent Operator, organizing your agents into 7×24 operations by hiring, scheduling, and reporting on your entire AI team.

Stars
82.2k
Last commit
9 days ago
Licence
Not stated

GPT4All: Run Local LLMs on Any Device. Open-source and available for commercial use.

Stars
77.3k
Last commit
1 year ago
Licence
MIT

Enhanced ChatGPT Clone: Features Agents, MCP, Skills, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral,…

Stars
45.9k
Last commit
9 days ago
Licence
MIT

Jan is an open source alternative to ChatGPT that runs 100% offline on your computer.

Stars
45k
Last commit
11 days ago
Licence
Custom

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