llm-anthropic 0.31

Summary

llm-anthropic 0.31 adds support for Anthropic's Fable 5.2 and Mythos 5.2 models, so users can run prompts against claude-fable-5.2 through the llm CLI. In the author's pelican-on-a-bicycle SVG tests, the max reasoning effort level returned no image, running out of tokens after 128,000 thinking tokens, a bug the author says also appeared with Opus 5.5 but not in Fable 5 or 5.1. Fable 5.2 is priced at $8 per million input tokens and $40 per million output tokens.

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