ProductsNov 1, 20261 min readAnthropic prepares to release Claude Mythos 5.5 model - TestingCatalog AI News0SaveShareContentsWhy it mattersTopicsCategoryProductsIndustry DomainThe Core DevelopmentAnthropic prepares to release Claude Mythos 5.5 model TestingCatalog AI NewsWhy it mattersAnthropic prepares to release Claude Mythos 5.5 model TestingCatalog AI News Reported by Google News — Anthropic / Claude on November 1, 2026.Topic dossiers Anthropic & Claude