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Description
Next Mythos-Class Model released by Anthropic? on June 9, 2026, with Claude Fable 5 announced. The market resolves to Yes if Anthropic launches the next Mythos-class model and makes it publicly accessible (including open beta or rolling waitlist) by the listed date in ET; otherwise, No. Public accessibility must be clearly announced by Anthropic and reflected on the official website or credible reporting confirming release and public availability.
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3
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Markets
Outcome | Odds | Spread | 24h Change | 24h Volume | Total Volume | Liquidity | |
|---|---|---|---|---|---|---|---|
| July 31 | — | — | — | — | — | — | |
| August 31 | — | — | — | — | — | — | |
| September 30 | — | — | — | — | — | — |
Rules
On June 9, 2026, Anthropic released the Mythos-class model Claude Fable 5. This market will resolve to "Yes" if Anthropic releases the next Mythos-class model and makes it available to the general public by the listed date (ET). Otherwise, this market will resolve to "No." Any model whose official name includes “Mythos,” or that Anthropic officially describes as a “Mythos-class” model or similar, will qualify for this market’s resolution. For this market to resolve to "Yes," the qualifying model (as defined above) must be launched and publicly accessible, including via open beta or open rolling waitlist signups. A closed beta or any form of private access will not suffice. The release must be clearly defined and publicly announced by Anthropic as being accessible to the general public. If a qualifying model is made publicly accessible and labeled with the relevant version name within the company’s official website, this will qualify as “publicly announced”. Labeling errors, placeholder text, or version names displayed on the website that do not correspond to a model that is actually accessible to the general public under the rules will not qualify. The primary resolution source for this market will be official information from Anthropic; however, a consensus of credible reporting will also be used.