llm-anthropic 0.29

Simon Willison's Weblog · 1d ago
Model Releases LLMs

How-To How to actually use this

What changed: llm-anthropic 0.29 adds support for Claude Opus 5.5.

How to use it:

  1. Update your llm-anthropic package to version 0.29.
  2. Run `llm -m claude-opus-5.5 "prompt goes here"`.
  3. Use Claude Opus 5.5 as your selected model.

Good for: anyone using llm with Claude models.

Release: llm-anthropic 0.29 Adds support for Claude Opus 5.5 : llm -m claude-opus-5.5 "prompt goes here" Tags: llm , anthropic

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