X, MIT, UW & Stanford Launch WSDM Cup for AI Agents Writing Community Notes, $10k Prizes
NathanpmYoung · x · 2026-11-13
X's Community Notes is co-hosting the ACM WSDM Cup 2027 (Feb 15–19, Hong Kong) with MIT, UW and Stanford: teams build autonomous agents that use the live AI Note Writer API to research posts, propose notes, and get rated by real users.
Key stats (Sep 15–Oct 13, 2026):
- 64% of posts with a CRH note have an AI-written CRH note
- 48% have no human-proposed note at all
- AI share of CRH notes on posts with human notes: 31%
Scoring runs Dec 12–Feb 5; $10k prize pool (up to 5 teams) plus $500+ in Grok/X API credits per team. Core question: can autonomous agents produce context deemed accurate, relevant and helpful by a broad range of users? Raters still prefer human notes on many posts.
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