Polymarket traders raise Anthropic model-release odds to 81% by mid-September
Polymarket traders are pricing an 81% probability that Anthropic will release its next frontier AI model by September 15, a 30-percentage-point jump from prior levels, according to one source. A narrower September 9 contract for a Mythos-class model shows 74% odds with more than $233,000 wagered. A separate new market asks traders to predict Anthropic's valuation at the end of October. The contracts trade on the cryptocurrency-based prediction exchange.
The 30-point repricing in a single day shows how prediction markets absorb AI release rumors faster than equity or crypto spot markets. Anthropic has no public ticker, so these contracts become the only liquid hedge for traders with private information or model-timeline exposure. The $233,000 already in the September 9 Mythos market is modest by crypto-futures standards but large for a niche event contract, suggesting dedicated capital is forming around AI model schedules.
Thin books mean the next Anthropic blog post or Jensen Huang keynote could gap odds another 20 points. Traders sizing positions must weigh the term structure: the September 9 contract resolves in two weeks, while the mid-September contract offers a wider window but softer pricing. Polymarket's October valuation market extends the tradeable surface if model release and fundraising are linked events.
Polymarket has launched four AI-linked contracts in recent days, includingKalshi and Polymarket's competing compute futures, as prediction markets race to capture trader demand for exposure to frontier technology outcomes.