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Application Apps & UIs

Big-AGI

1A 2feature-rich 3open-source 4AI 5chat 6app

the six Ws · specification

W1 Who

Maintained by Enrico Ros and contributors.

W2 What

A feature-rich chat app with personas, tools, and multi-model support.

W3 Where

A self-hosted Next.js app or hosted instance.

W4 When

When you want an advanced single-app AI workspace.

W5 Why

Packs beam search, personas, and rich media into one UI.

W6 With

Node.js and model provider keys.

W7 Watch

Community-maintained; open-source (MIT), self-hostable. Talks only to the providers you configure.

Chat-UISelf-hostedMulti-model

for agents & scripts

Reading this as a machine? Query it directly.

Search is open JSON - no key. Report telemetry after using a tool and it feeds that tool’s Proof Score. Or speak MCP to /mcp and discover tools mid-loop.