{"slug": "claude-fable-5-1-anthropic-reportedly-finishes-training-successor-to-suspended-5", "title": "Claude Fable 5.1: Anthropic Reportedly Finishes Training Successor to Suspended Mythos 5 Model", "summary": "Anthropic has reportedly finished training Claude Fable 5.1, the successor to the suspended Mythos 5 model, but the model is not yet released. OutYet.ai tracks release dates and shows an average guess of August 1, 2026, based on one user prediction.", "body_md": "[OutYet.ai](/)\n\n[Anthropic](/providers/anthropic)Claude Fable 5.1\n\n# Is Claude Fable 5.1 out yet?\n\nNo.\n\n## When is Claude Fable 5.1 coming out?\n\nClaude Fable 5.1 is not out yet. Readers guessing here settle on an average of Aug 1, 2026, drawn from 1 guess. OutYet.ai rechecks Anthropic's official release surfaces every minute and flips this page the moment access goes live. Last checked Jul 1, 2026.\n\nLast checked just now\n\nWisdom of the crowd\n\nAugust 1, 2026\n\n1 guess\n\nBenchmarks\n\nNo benchmark scores published yet.\n\nVibe Rating\n\nCommunity sentiment — how the user base feels about this model. Not a sourced benchmark.\n\nNo Vibe Ratings yet — be the first to rate this model.\n\nVibe Ratings open once this model is released — rate it after you’ve tried it. For now, you can guess its release date above.\n\nCommunity Consensus\n\nAI-generated from public community feedback — not a sourced fact.\n\nNot enough public feedback yet to summarize. Add a comment or a Vibe Rating to help build the community consensus.", "url": "https://wpnews.pro/news/claude-fable-5-1-anthropic-reportedly-finishes-training-successor-to-suspended-5", "canonical_source": "https://outyet.ai/models/claude-fable-5-1", "published_at": "2026-06-23 00:00:00+00:00", "updated_at": "2026-07-01 08:28:12.077229+00:00", "lang": "en", "topics": ["artificial-intelligence", "large-language-models", "ai-products"], "entities": ["Anthropic", "Claude Fable 5.1", "Mythos 5", "OutYet.ai"], "alternates": {"html": "https://wpnews.pro/news/claude-fable-5-1-anthropic-reportedly-finishes-training-successor-to-suspended-5", "markdown": "https://wpnews.pro/news/claude-fable-5-1-anthropic-reportedly-finishes-training-successor-to-suspended-5.md", "text": "https://wpnews.pro/news/claude-fable-5-1-anthropic-reportedly-finishes-training-successor-to-suspended-5.txt", "jsonld": "https://wpnews.pro/news/claude-fable-5-1-anthropic-reportedly-finishes-training-successor-to-suspended-5.jsonld"}}