llm-anthropic 0.26

This article announces the release of llm-anthropic 0.26, an LLM access plugin for Anthropic's Claude models. Key updates include new models (claude-fable-5, claude-sonnet-5, claude-opus-5), server-side tools (WebSearch, WebFetch, CodeExecution, AnthropicMCP) accessible via LLM's -T interface, and removal of old web_search options. It also upgrades to llm>=0.32, enabling streaming of reasoning, tool calls, and results as typed events. Reasoning display to stderr is now optional with -R/--hide-reasoning. Thinking configuration is simplified to thinking_effort levels, with Claude 5 models thinking by default. The article is a technical changelog relevant to developers using Anthropic models.