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Claude Fable 5.1

Claude Fable 5.1 improves on Fable 5 across long-running agentic coding, knowledge work, and research, following instructions precisely over sessions that run unattended for hours.

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Prices from: Input $10, Output $50, Per 1M tokens
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import { streamText } from 'ai'


const result = streamText({
  model: 'anthropic/claude-fable-5.1',
  prompt: 'Why is the sky blue?'
})
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