llm-anthropic 0.25.1 adds Claude Opus 4.8

simon willison updated the llm-anthropic plugin to version 0.25.1, enabling support for the new claude opus 4.8 model. the release introduces a -o fast 1 option for organizations with fast mode enabled and removes the previous 8,192 token limit by defaulting max tokens to the specific model's maximum capacity. willison notes the release was used to generate pelicans and links to analysis on opus 4.8's improvements.