{"type":"post","id":"microsoft-starts-rolling-out-claude-fable-5-2-559f16","slug":"microsoft-starts-rolling-out-claude-fable-5-2-559f16","title":"Microsoft starts rolling out Claude Fable 5.2 in Copilot Cowork and Copilot Studio","description":"Microsoft says Claude Fable 5.2 is beginning to roll out in Copilot Cowork and Copilot Studio, bringing Anthropic’s latest Fable model into two Microsoft work surfaces.","retrieval_nugget":"Microsoft says Claude Fable 5.2 is beginning to roll out in Copilot Cowork and Copilot Studio, bringing Anthropic’s latest Fable model into two Microsoft work surfaces. For teams building around Microsoft 365, the practical change is another model option that can use organizational context under existing permissions, with access controlled by administrators.","published_at":"2026-11-13","updated_at":"2026-11-13","record_date":"2026-11-13","date_kind":"published_at","topics":["claude","anthropic"],"entities":["Microsoft","Microsoft Copilot","Copilot Cowork","Copilot Studio","Claude Fable 5.2","Anthropic","Work IQ"],"related_patterns":["harness-architecture-outlives-model-choice"],"novelty_label":"new_fact","what_changed":"Microsoft is rolling out Claude Fable 5.2 in Copilot Cowork and Copilot Studio, extending its availability beyond GitHub Copilot.","prior_refs":["https://newruntime.com/posts/claude-fable-5-2-is-generally-available-in-c85624/"],"source_url":"https://techcommunity.microsoft.com/blog/microsoft-copilot-blog/available-today-anthropic-claude-fable-5-2-in-microsoft-copilot/4571829","source_urls":["https://techcommunity.microsoft.com/blog/microsoft-copilot-blog/available-today-anthropic-claude-fable-5-2-in-microsoft-copilot/4571829"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:microsoft-starts-rolling-out-claude-fable-5-2-559f16","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/microsoft-starts-rolling-out-claude-fable-5-2-559f16/","markdown":"https://newruntime.com/posts/microsoft-starts-rolling-out-claude-fable-5-2-559f16.md","json":"https://newruntime.com/posts/microsoft-starts-rolling-out-claude-fable-5-2-559f16.json"},"markdown_url":"https://newruntime.com/posts/microsoft-starts-rolling-out-claude-fable-5-2-559f16.md","next_reads":[{"type":"topic","path":"/topics/claude/","url":"https://newruntime.com/topics/claude/","title":"Claude","reason":"Explore the claude topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/claude.md","json_url":"https://newruntime.com/topics/claude.json"},{"type":"topic","path":"/topics/anthropic/","url":"https://newruntime.com/topics/anthropic/","title":"Anthropic","reason":"Explore the anthropic topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/anthropic.md","json_url":"https://newruntime.com/topics/anthropic.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/sources/","url":"https://newruntime.com/sources/","title":"Sources","reason":"See the original sources this archive cites.","media_type":"text/html"}]}