Polymarket showed a 74% probability that Anthropic’s Claude Mythos model would be released on June 10, up 24 percentage points over the past 24 hours. According to Odaily, the market also priced an 83% chance of release by June 12, an 89% chance by June 15, a 95% chance by June 22, a 94% chance by June 30, and a 99% chance by July 31.
Separately, technology journalist Alex Heath reported that Anthropic would release a public version of Mythos tomorrow. Heath said the company planned to rename and make minor adjustments to Mythos before releasing it under the name “Fable 5.”