https://www.nextaimodel.com/lines/anthropic-fable Every new release in Anthropic's Claude Fable line, from Next AI Model. Newest 20 releases. en Sat, 24 Oct 2026 17:12:56 GMT https://www.nextaimodel.com/models/claude-fable-5-1 https://www.nextaimodel.com/models/claude-fable-5-1 Tue, 01 Sep 2026 12:00:00 GMT Anthropic Anthropic · Claude Fable line · released September 1, 2026. Anthropic's top model, refreshed: big jumps on long coding and scientific-research tasks, and cached input now costs 75% less — same headline price as Fable 5. https://www.nextaimodel.com/models/claude-fable-5 https://www.nextaimodel.com/models/claude-fable-5 Tue, 09 Jun 2026 12:00:00 GMT Anthropic Anthropic · Claude Fable line · released June 9, 2026. Anthropic's new top-end model scores 80.3% on SWE-bench Pro (Anthropic gives one figure for Fable 5 and Mythos 5), up from 69.2% for Opus 4.8, at twice the price.