Claude 5.2 (Opus 5.2 and Fable 5.2): Release Status... | APIMaster.AI

Back to Blog Quick Answer Opus 5.2 and Fable 5.2 have not been announced by Anthropic. There is no official model ID, no published price, no model card and no release date for either name. As of September 20, 2026 , the newest Claude model you can actually call is Claude Fable 5.1 ( claude-fable-5-1