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llm-anthropic 0.25

llm-anthropic 0.25 releases with Claude Opus 4.7 model supporting extended thinking and new display options.

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Simon Willison released llm-anthropic version 0.25, introducing Claude Opus 4.7 with support for xhigh thinking_effort levels. The update adds thinking_display and thinking_adaptive boolean options, with summarized thinking output available in JSON formats, and increases default max_tokens to model maximums. The release also removes deprecated structured-outputs beta headers for older models.

Lead coverage: Simon Willison โ€” llm-anthropic 0.25 โ†—

๐Ÿ•ฐ The timeline ยท 1 source

Simon Willison first-party ยท 5d ago ยท 2/5

llm-anthropic 0.25 โ†—

Simon Willison released llm-anthropic version 0.25, introducing Claude Opus 4.7 with support for xhigh thinking_effort levels. The update adds thinking_display and thinking_adaptive boolean options, with summarized thinking output available in JSON formats, and increases default max_tokens to model maximums. The release also removes deprecated structured-outputs beta headers for older models.

claude-opus-4.7, which supports thinking_effort: xhigh
โ€” Simon Willison

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Claude

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Cluster ID
c2b4d31019
Importance (max)
2
Members
1
Sources
Simon Willison
Earliest
2026-04-16T20:37:12.000Z
Latest
2026-04-16T20:37:12.000Z
Lead URL
https://simonwillison.net/2026/Apr/16/llm-anthropic