{"type":"post","id":"llm-anthropic-0-31-adds-claude-fable-5-9ddd40","slug":"llm-anthropic-0-31-adds-claude-fable-5-9ddd40","title":"llm-anthropic 0.31 adds Claude Fable 5.2 support to the llm command-line tool","description":"llm-anthropic 0.31 adds Claude Fable 5.2 support to the llm command-line tool.","retrieval_nugget":"llm-anthropic 0.31 adds Claude Fable 5.2 support to the llm command-line tool. In an image-generation trial, Simon Willison reports that xhigh returned an SVG while max consumed 128,000 thinking tokens and returned no image, making completion checks as important as access to the new model.","published_at":"2026-11-10","updated_at":"2026-11-10","record_date":"2026-11-10","date_kind":"published_at","topics":["claude","anthropic"],"entities":["llm-anthropic","llm","Claude Fable 5.2","Anthropic","Simon Willison"],"related_patterns":["harness-architecture-outlives-model-choice"],"novelty_label":"new_fact","what_changed":"The llm-anthropic 0.31 release adds Fable 5.2 support and reveals max-effort runs can exhaust 128,000 tokens without returning an image, unlike earlier Fable models.","prior_refs":[],"source_url":"https://simonwillison.net/2026/Nov/9/llm-anthropic","source_urls":["https://simonwillison.net/2026/Nov/9/llm-anthropic"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:llm-anthropic-0-31-adds-claude-fable-5-9ddd40","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/llm-anthropic-0-31-adds-claude-fable-5-9ddd40/","markdown":"https://newruntime.com/posts/llm-anthropic-0-31-adds-claude-fable-5-9ddd40.md","json":"https://newruntime.com/posts/llm-anthropic-0-31-adds-claude-fable-5-9ddd40.json"},"markdown_url":"https://newruntime.com/posts/llm-anthropic-0-31-adds-claude-fable-5-9ddd40.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"}]}