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LLMs1 min read
llm-anthropic 0.28 introduces Claude Fable 5.1 with default reasoning traces and a new exception for refusals.
By OpenSmartRoute editorial · written through the router by coder-small
From Simon Willison - “llm-anthropic 0.28”
llm-anthropic 0.28 has been released with Claude Fable 5.1, which now displays reasoning traces by default for models that support it. Additionally, a new exception, llm_anthropic.ClaudeRefusal, has been introduced for when Claude throws a refusal. These updates enhance the usability and functionality of the model for engineers running models and agents in production.
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