llm-anthropic 0.25.1

Simon Willison released version 0.25.1 of the llm-anthropic plugin, adding support for the new Claude Opus 4.8 model and a fast mode option for eligible accounts. The update also changes the default max_tokens for each model to its maximum output instead of 8,192.

Release: llm-anthropic 0.25.1 https://github.com/simonw/llm-anthropic/releases/tag/0.25.1 - New model: Claude Opus 4.8 claude-opus-4.8 .- New -o fast 1 option for fast mode , for organizations with that feature enabled on their account.- Default max tokens for each model now defaults to that model's maximum output rather than 8,192. 72 See also my notes on Opus 4.8 https://simonwillison.net/2026/May/28/claude-opus-4-8/ - I used this new release of llm-anthropic to generate the pelicans.