PSA we're doubling Pro/Max plan usage limits from midnight tonight through NYE. Go build something cool 🙂 Happy holidays
@alexalbert__
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Agent Skills Becomes Open Standard for Industry
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Agent Skills is now an open standard It's been great to see the traction Skills are already getting in the industry and this makes it easier for everyone to build and contribute to them
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Opus 4.5 Feedback Collection for Next Model Improvements
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Reply with all your Opus 4.5 gripes so we can fix everything before our next model The more specific (including prompts), the more likely we'll be able to fix it!
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Major MCP Milestone Achieved After One Year
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Huge step for MCP. It's always insane to remember that MCP has been around for only ~one year.
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The Blurring Line Between User and AI Prompting in 2026
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The boundary between you prompting the model and the model prompting you is going to get blurry in 2026
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Structured Outputs Beta Now Available on Haiku 4.5
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Structured outputs are now available in beta on Haiku 4.5 as well!
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Claude Code Reaches $1 Billion Annual Revenue in Six Months
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Fun stat: Claude Code went from 0->$1b in run-rate revenue in 6 months since being made generally available
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Opus 4.5 Model Review: Improved Writing and Coding Capabilities
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Opus 4.5: 7.5-8/10 helpful. I finally trust this model to write for me and it actually has good judgement/taste as to what matters. For coding, it feels like it can just work forever and not get stuck in the same vibe coding doom loops as previous models. Some things are
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Opus 4.5 Review: The Sonnet 3.5 of 2025
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Great review of Opus 4.5 >"TLDR: It's the Sonnet 3.5 of 2025. Try it. Do it now"
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Claude.ai fixes context limit frustration with automatic compaction
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In case you missed it, earlier this week we fixed one of the most common frustrations on http://
Claude.ai: hitting context limits mid-conversation. Claude now intelligently compacts earlier context automatically when you're nearing the limit so the chat can keep going.