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Anthropic Cookbook: Merge pull request #771 from anthropics/nikblanchet/fix-metaprompt-prefill
Summary
Merge pull request #771 from anthropics/nikblanchet/fix-metaprompt-prefill Fix metaprompt notebook: remove assistant prefill (400 on current models)
Opens in a new tab. Subvolts summarizes and links; the full piece belongs to Anthropic Cookbook.
Where the other five stand
Related: OpenAI: Daybreak models are now available on AWS · Google: Introducing Gemini Robotics 2 · Microsoft: Orchard: An open framework for scalable agentic AI · Meta: This AI-Powered Wheelchair Could Change How People Move · xAI: Introducing Grok 4.5: Fast, affordable intelligence
Hype check
2/5Worth a look
Rated low: routine. Worth knowing, not worth rearranging your day for.
Who's talking about it
- LWiAI Podcast #247 - Opus 4.8, MAI, Anthropic IPO, Minimax-M3Last Week in AI · Web · Jul 21, 2026
Questions people ask
- Where can I read the full story?
- On Anthropic Cookbook. The "Read this on Anthropic Cookbook" link above opens the original in a new tab. Subvolts publishes a summary and analysis, never the full piece.
- What does this mean for Claude?
- Merge pull request #771 from anthropics/nikblanchet/fix-metaprompt-prefill Fix metaprompt notebook: remove assistant prefill (400 on current models)
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Page generated Sep 3, 2026. Summaries are Subvolts' own; the story belongs to Anthropic Cookbook.




