Claude Fable 5 reasoning

openrouter
anthropic
Claude Fable 5 is a Mythos-class model from Anthropic, built for autonomous knowledge work and coding. It supports text, image, and file inputs with text output, with reasoning support and...

Capabilities

Context Window 1M tokens
Max Output 128k tokens
Inputs
Outputs

Pricing (per 1M tokens)

Input $10.00
Output $50.00
Cache Read $1.00
Cache Write $12.50

Supported Parameters

include_reasoningmax_completion_tokensmax_tokensreasoningresponse_formatstopstructured_outputstool_choicetoolsverbosity

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