Alternatives to Big-AGI
An open-source AI chat workspace that connects to many cloud providers and local model servers. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Big-AGI
An open-source AI chat workspace that connects to many cloud providers and local model servers.
Replacements
Listings that take over the same core job as Big-AGI.
LibreChat
Self-hosted open-source chat interface that brings many AI models and providers into one place.
LibreChat is a free MIT-licensed self-hosted interface for many providers with agents, code interpreter, MCP and SSO, but it needs a server and Docker setup.
Open WebUI
A self-hosted chat interface that talks to Ollama and any OpenAI-compatible API, so your local models get a proper front end.
Open WebUI is a self-hosted front end for Ollama and OpenAI-compatible APIs with multi-user roles and document retrieval, under a licence with a branding condition.
NextChat
An open-source AI chat client for the web and desktop that connects to many language models.
NextChat is an MIT-licensed, self-hostable client with desktop and mobile apps as well as the web, though it lacks a multi-model comparison feature like Beam.
LobeHub
AI agent workspace for building, scheduling and chatting with agents across many models.
LobeHub moves the focus to building and scheduling agents with skill and MCP marketplaces, under a source-available license rather than OSI open source.
TypingMind
A chat interface for ChatGPT, Claude, Gemini and other language models that runs on your own API keys.
TypingMind also runs on your own API keys across providers, but it is a closed web app that requires a paid license and cannot be self-hosted.
T3 Chat
A web chat app that lets you switch between AI models from OpenAI, Anthropic, Google, DeepSeek and others.
T3 Chat is a hosted web app for switching between models from several providers, without self-hosting or your own API key setup, and pricing is not published.
Chatbox
A desktop and mobile chat client for AI models, where you supply your own API keys or point it at a local model.
Chatbox moves you to a GPL-3.0 desktop and mobile client storing conversations locally, using your own API keys or local Ollama models.
Hollama
A minimal chat interface for language models that runs entirely in the web browser.
Hollama is a minimal open-source browser chat that can be self-hosted with Docker, mainly for local model servers, with fewer features than Big-AGI.
Also worth comparing
These listings name Big-AGI as their own alternative, so the relationship runs both ways.
Arena
A web tool for chatting with AI models, comparing their answers side by side and voting on them.
Big-AGI uses its Beam feature to compare and merge answers from several models, with your own API keys and an optional self-hosted MIT-licensed install.
ChatALL
A desktop app that sends one prompt to many AI chatbots at once and shows answers side by side.
Big-AGI's Beam compares and merges answers from several models in an MIT-licensed web workspace that can be self-hosted, using your own API keys.
ChatHub
A browser extension and app for asking several AI chatbots the same question side by side.
Big-AGI's Beam compares and merges answers from several models in an MIT-licensed, self-hostable web app using your own API keys.
KoboldAI Lite
A standalone browser interface for chatting with and writing alongside language models from many backends.
Big-AGI is an MIT web chat workspace for many cloud providers and local model servers, adding Beam to compare answers, with some features in a paid Pro tier.
Poe
A chat platform from Quora that gives access to several AI models in one place.
Big-AGI is open source under MIT and can be self-hosted, connects to cloud providers and local model servers, and uses your own API keys with some Pro features paid.
Similar software
Related functionality, not a direct replacement.
OpenRouter
A unified API and chat interface that routes requests to hundreds of AI models across many providers.
Cherry Studio
Use several AI providers from one desktop chat application.
