The AI problems
we must solve
The more AI can do, the more difficult the questions become. UNSOLVED documents the world’s hardest AI problems and brings together the people working to solve them. It’s minutes to midnight. Time to reach for the stars.
Every numbered star is a problem in the registry.OpenIn progressSolvedNot yet stated
Find your problem
Browse, upvote and follow our time’s hardest AI problems.
A question missing?
Founding registry · Stated by the UNSOLVED editors, October 2026
Ask your AI assistant what’s unsolved
Claude, ChatGPT and other assistants can read the registry live and cite each problem by its number. No account needed.
Try asking
- “Which open problems in AI safety are still unsolved?”
- “Is prompt injection solved yet? Cite the registry.”
- “What moved on open problems in AI this week?”