{"slug": "ask-hn-when-did-claude-fable-start-giving-summarized-thinking", "title": "Ask HN: When did Claude Fable start giving summarized thinking?", "summary": "A user on Hacker News reports that Claude Fable, an AI model, has started displaying summarized thinking in version 2.1.245, which the user finds beneficial. The user noticed the change this morning and appreciates the summaries over long periods of silence.", "body_md": "| ||||||||||||\n1 point by |\nI am on v2.1.245 and I just noticed this morning that I'm getting blocks that look like: (summarized) Grey thinking looking text that tells what was done or what Claude considered or confirmed. I had sessions open last night and I don't remember this. Personally I find this great. Fable would often go dark for long periods of time with the prompts I gave it and then drop a huge wall of text for all the work it had been doing in the background. | |||||||||||\n|", "url": "https://wpnews.pro/news/ask-hn-when-did-claude-fable-start-giving-summarized-thinking", "canonical_source": "https://news.ycombinator.com/item?id=49430481", "published_at": "2026-08-25 08:03:46+00:00", "updated_at": "2026-08-25 08:14:24.504161+00:00", "lang": "en", "topics": ["artificial-intelligence", "ai-products"], "entities": ["Claude Fable", "Hacker News"], "alternates": {"html": "https://wpnews.pro/news/ask-hn-when-did-claude-fable-start-giving-summarized-thinking", "markdown": "https://wpnews.pro/news/ask-hn-when-did-claude-fable-start-giving-summarized-thinking.md", "text": "https://wpnews.pro/news/ask-hn-when-did-claude-fable-start-giving-summarized-thinking.txt", "jsonld": "https://wpnews.pro/news/ask-hn-when-did-claude-fable-start-giving-summarized-thinking.jsonld"}}