No users? No problem. Interview-quality feedback in minutes.
Share your vision and audience—everything captured in one place.
We simulate users, run interviews, and auto-group themes.
Receive concise findings and next steps to guide decisions.
AI research companies are replacing human surveys with simulated societies of generative-AI agents.
— Zach Cohen & Seema Amble
a16z
During YC, we tell founders they should be building product and talking to users, and not much else.
— Sam Altman
Startup Playbook
You can't wait for users to come to you. You have to go out and get them.
— Paul Graham
Do Things That Don't Scale
Join hundreds of founders who've already validated their ideas with FirstSign.