ARC Prize 2026 competition closes, winners to be announced on December 4

Submissions for the ARC-AGI-2 and ARC-AGI-3 competitions of ARC Prize 2026 have officially closed. The organizers thank all participants and announced that the private leaderboard winners will be revealed on December 4. The main post also includes more information about ARC Prize 2026 and a link to participate in NeurIPS Atlanta.