Multi-Model. Zero Latency. Maximum Efficiency.Multi-Model. Zero Latency. Maximum Efficiency.
Escape the single‑model trap. Think in parallel. Catch hallucinations. For developers and founders who need more intelligence and speed.
Escape the single‑chat, single‑model trap. Stop shipping hallucinations, catch them. Big-AGI is crafted to give you the fastest multi-model AI workspace so you can think better and build with confidence.
shh... dark launch
the wait is over
Sign in with Google. BYO API keys. Zero lock-in.
BYO API keys. Installable as a web app.
Access the latest models including Gemini Nano Banana, GPT-5 and Claude Sonnet 4.5 with Big-AGI Open on GitHub.
Powerful UX
Designed for flow-state, productivity. Fast, reliable, and focusedLet it flow
Private
Chats are stored in your own browser. You have the freedom to self-hostYour data is your gold
Advanced Fun
Call AGI · mobile UI · voice UI · drop files · snap pics · shrink PDFs · plot diagrams · make coffee
With Personas
Engage with diverse AI experts. Clone new ones from YouTube Videos. Because one size fits all nobody
And /more
Type /react for multi-step reasoning, /imagine to draw images, /browse to read web pages, and more
Overpowered
It‘s clear this has been a labor of love, and stands head and shoulders above other projects out there.
- Superhero Developer