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llm-anthropic 0.26: New Claude 5 Models and Server-Side Tools
Originally published on Simon Willison's Weblog by Simon Willison
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Summary & Key Takeaways
llm-anthropic 0.26 introduces support for new Claude 5 models: Fable, Sonnet, and Opus. It adds server-side tools like WebSearch, WebFetch, CodeExecution, and AnthropicMCP. Reasoning, tool calls, and results now stream as typed events. Reasoning for CLI prompts displays to standard error by default. The plugin requires llm>=0.32 to function correctly.
Our Commentary
This is a solid update for Claude users, bringing the latest models and server-side capabilities to the llm ecosystem. It's good to see the plugins keeping pace with the core tool's advancements. I appreciate the consistent effort to integrate new model features as they become available.
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