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Self-hosted alternatives to ChatGPT

4 open-source options you can run yourself instead of ChatGPT.

Vendor? Get featured here — £39/mo

Ollama

Generative Artificial Intelligence (GenAI) ★ 183k MIT

Get up and running with Llama 3.3, DeepSeek-R1, Phi-4, Gemma 3, and other large language models.

Replaces: ChatGPT

Open-WebUI

Generative Artificial Intelligence (GenAI) ★ 156k BSD-3-Clause

User-friendly AI Interface, supports Ollama, OpenAI API.

Replaces: ChatGPT

LobeHub

Generative Artificial Intelligence (GenAI) ★ 83k ⊘ Proprietary

Modern design AI chat framework supporting multiple AI providers, one click install MCP Marketplace and Artifacts / Thinking.

Replaces: ChatGPT

LibreChat

Generative Artificial Intelligence (GenAI) ★ 46k MIT

Enhanced ChatGPT-compatible AI chat interface supporting multiple AI providers, with multi-user auth, message search, and plugin support.

Replaces: ChatGPT

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