Alternatives / ChatGPT Open-source alternatives to ChatGPT ChatGPT is an artificial intelligence chatbot that generates conversational text, code, and answers to user questions. Individuals, students, and professionals use it for writing, research, and programming assistance.ChatGPT is made by OpenAI. It is not open source. These 22 open-source projects do the same job, closest first.
AI & LLM tooling , Chat UIs
Compare at a glance Open-source alternatives to ChatGPT: platforms, Docker, license, GitHub stars and last commit Project Type Self-host with Docker License Stars Last commit Jan Desktop – Not listed Custom (read before use) 45k yesterday Chatbox Desktop, Mobile – Not listed GPL-3.0 42k last month codex-chatgpt-web Desktop, CLI – Not listed MIT 15k 11 hours ago LibreChat Web, Docker / self-host Yes MIT 46k 3 days ago ChatGPTBox Extension / plugin – Not listed MIT 11k 2 days ago gpt4free Web, Docker / self-host, CLI, Library / SDK, Extension / plugin Yes GPL-3.0 67k 8 hours ago NextChat Web, Docker / self-host, Desktop Yes MIT 89k last week LobeHub Web, Docker / self-host, Desktop Yes Custom (read before use) 84k 8 hours ago AstrBot Docker / self-host Yes AGPL-3.0 45k yesterday Voyager Extension / plugin – Not listed GPL-3.0 20k 14 hours ago CowAgent Docker / self-host Yes MIT 48k 8 hours ago typebot.io Web, Docker / self-host Yes Custom (read before use) 11k 3 days ago nanochat Library / SDK – Not listed MIT 59k 4 months ago Aider CLI – Not listed Apache-2.0 50k 5 months ago Repomix CLI – Not listed MIT 29k 20 hours ago SillyTavern Web – Not listed AGPL-3.0 35k last month LangBot Docker / self-host Yes Apache-2.0 19k 8 hours ago Open WebUI Web, Docker / self-host Yes Custom (read before use) 157k 4 days ago CopilotKit Library / SDK – Not listed MIT 38k 13 hours ago AutoGPT Web, Docker / self-host Yes Custom (read before use) 188k 21 hours ago big-AGI Web, Docker / self-host Yes MIT 7.2k 10 hours ago Onyx Docker / self-host Yes Custom (read before use) 33k 9 hours ago
The alternatives J
Offline ChatGPT alternative that runs on your computer Personal Chat UIs Local inference Desktop ★ 45k +1.3k / 90d commit yesterday C
Desktop client for AI models Personal Chat UIs Desktop Mobile ★ 42k +857 / 90d GPL-3.0 commit last month c
Use ChatGPT Web (including Pro) as a native model in Codex — with context, tools, streaming and images, without using Co Personal MCP servers Coding assistants Desktop CLI ★ 15k +7.8k / 90d MIT commit 11 hours ago L
One chat UI for many model providers, with agents and SSO Personal Enterprise Chat UIs Web Docker / self-host ★ 46k +4.1k / 90d MIT commit 3 days ago C
Deep ChatGPT integration in your browser Personal Chat UIs Extension / plugin ★ 11k +54 / 90d MIT commit 2 days ago g
Multi-provider LLM aggregator with API gateway and chat GUI Personal Chat UIs Agent skills MCP servers Web Docker / self-host ★ 67k GPL-3.0 commit 8 hours ago live demo N
Lightweight cross-platform AI chat client Personal Chat UIs Web Docker / self-host Desktop ★ 89k +260 / 90d MIT commit last week L
Polished multi-provider AI chat with plugins Personal Chat UIs Web Docker / self-host Desktop ★ 84k +2k / 90d commit 8 hours ago A
AI chatbot for many messaging platforms Personal Chat UIs Agents & frameworks Docker / self-host ★ 45k +10k / 90d AGPL-3.0 commit yesterday V
Enhancement suite for AI chat sites Personal Chat UIs Extension / plugin ★ 20k +717 / 90d GPL-3.0 commit 14 hours ago C
AI assistant for WeChat and other chat apps Personal Chat UIs Agents & frameworks Docker / self-host ★ 48k +1.5k / 90d MIT commit 8 hours ago t
Visual conversational bot and form builder Personal Enterprise AI & LLM tooling Self-hosted apps Automation Web ★ 11k commit 3 days ago live demo n
Train your own small ChatGPT for about $100 Personal AI & LLM tooling Library / SDK ★ 59k +2.3k / 90d MIT commit 4 months ago A
AI pair programming in your terminal Personal Coding assistants CLI ★ 50k +1.7k / 90d Apache-2.0 commit 5 months ago R
Pack a repository into one AI-friendly file Personal Developer tools Coding assistants CLI ★ 29k +1.6k / 90d MIT commit 20 hours ago S
LLM front-end for power users Personal Chat UIs Web ★ 35k +3.5k / 90d AGPL-3.0 commit last month L
Platform for agentic chat bots Personal Enterprise Agents & frameworks Communication Docker / self-host ★ 19k +1.8k / 90d Apache-2.0 commit 8 hours ago O
Self-hosted chat interface for Ollama and OpenAI-compatible models Personal Enterprise Chat UIs Web Docker / self-host ★ 157k +11k / 90d commit 4 days ago C
Frontend stack for agents and generative UI Personal Enterprise Web frameworks Agents & frameworks Library / SDK ★ 38k +2.2k / 90d MIT commit 13 hours ago A
AutoGPT Significant-Gravitas/AutoGPT Platform for building and running autonomous AI agents Personal Enterprise Agents & frameworks Automation Web Docker / self-host ★ 188k +630 / 90d commit 21 hours ago b
Multi-model AI workspace and generative AI chat interface Personal Chat UIs Self-hosted apps Web Docker / self-host ★ 7.2k MIT commit 10 hours ago live demo O
Open-source AI platform with enterprise search Enterprise Chat UIs RAG & vector DBs Docker / self-host ★ 33k +2.4k / 90d commit 9 hours ago