Your Second Brain,
Visualized.
Don't just chat. Build a living map of your ideas. Big Brain connects your conversations, documents, and memories into a navigable knowledge graph.
Based on your saved favorites, here are some ideas:
- • Butter Chicken (you loved this last week)
- • Pasta Carbonara
- • Thai Green Curry
Everything you need to
remember everything
Big Brain combines conversational AI with persistent memory, giving you an assistant that truly knows you.
Persistent Memory
Big Brain remembers your preferences, past conversations, and important details across sessions.
Knowledge Graph
Visualize how your ideas connect in an interactive graph.
Voice Conversations
Talk naturally and get spoken responses. Hands-free brainstorming.
Live Web Search
Real-time information from the web, saved to memory automatically.
Profile Learning
Link your profiles and Big Brain learns about you automatically.
Connectors
Bring context from anywhere into your Big Brain. Connect your favorite tools.
Simple to start,
powerful to use
Connect & Onboard
Sign in with Google and share a few links about yourself. Big Brain starts learning who you are.
Chat & Remember
Have conversations, ask questions, save important information. Everything meaningful gets remembered.
Explore & Connect
Watch your knowledge graph grow. Discover connections between ideas you never noticed before.
See your thoughts come alive
Your memories aren't just stored—they're connected. The knowledge graph reveals relationships between your ideas.
Ready to build your second brain?
Join thousands of thinkers who never forget an idea. Start free, no credit card required.