llm: Anthropic Claude plugin

Simon Willison’s llm CLI ships with OpenAI models out of the box. Anthropic Claude support lives in a separate plugin, llm-anthropic. % llm plugins [] Install it: % llm install llm-anthropic ... Successfully installed anthropic-0.103.1 docstring-parser-0.18.0 llm-anthropic-0.25 Verify: % llm plugins [ { "name": "llm-anthropic", "hooks": [ "register_models" ], "version": "0.25" } ] Claude models are now registered: % llm models | grep -i anthropic Anthropic Messages: anthropic/claude-opus-4-7 (aliases: claude-opus-4.7) Anthropic Messages: anthropic/claude-sonnet-4-6 (aliases: claude-sonnet-4.6) Anthropic Messages: anthropic/claude-haiku-4-5-20251001 (aliases: claude-haiku-4.5) [...] Set the API key: % llm keys set anthropic And prompt away: % llm -m claude-haiku-4.5 "hello" Hello! How can I assist you today? — § —Reply via email#ai #dev