Polymarket Bets 88% Odds on Anthropic's Fable 5.2+ Launch This Month

Polymarket has opened prediction markets on when Anthropic's next "Fable" model (version 5.2+) will launch, with the market on an October 31 release trading about $34,000 in volume and YES odds of 83–89%, amid frequent insider leaks.

2026-10-02 ~ 2026-10-03 · 2 related posts

• Polymarket odds hit 88% for Claude Fable 5.2+ release by month-end amid grey-test leaks — Polymarket · 2026-10-02
• Polymarket opens betting market on when Anthropic's next Fable model (5.2+) ships — Polymarket · 2026-10-03