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With llm>=0.32, reasoning, tool calls, tool results, and server-side tool results now stream as typed events, and reasoning displays to standard error by default.

The upgrade to llm 0.32 enables typed event streaming for reasoning and tool interactions. ✦ AI generated

llm-anthropic maintainer · Simon Willison's Weblog · 2026-08-04 · original ↗

Upgraded to llm>=0.32. Reasoning, tool calls, tool results, and server-side tool results now stream as typed events. Reasoning for llm CLI prompts now displays to standard error unless you pass --hide-reasoning/-R.

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✳ LLM

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Context · 1

Server-side tools for WebSearch, WebFetch, CodeExecution, and AnthropicMCP are now available through LLM's -T interface or Python tools=, replacing the previous -o web_search* options.llm-anthropic maintainer · Simon Willison's Weblog · conf 60%

Extends · 1

The Python API now supports a messages-based prompt parameter and structured streaming events, replacing the old single-string iterable approach to handle modern model outputs that include reasoning, tool calls, and attachments.Simon Willison · Simon Willison's Weblog · conf 70%