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Prediction market on polymarket_us. This market will settle to Yes if Anthropic releases a new model labeled Sonnet by September 30, 2026, 11:59 PM ET. Outcome sourced from Anthropic. A "release" refers to the specified model being made accessible and usable to the general public without requiring special status, including via an open beta or open rolling waitlist. A release available to some or all paid members of the public qualifies. A closed beta, or access limited to a closed group of testers, researchers, or enterprise customers, does not qualify.
Resolves: 11/15/2026.