Anthropic

Claude Fable 5.1 (batch)

anthropic/claude-fable-5.1:batch

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Specification

Published by the vendor; the platform bills at the target's declared price.

Claude Fable 5.1 (batch)

reasoning tools

Anthropic anthropic/claude-fable-5.1:batch

Claude Fable 5.1 improves on Claude Fable 5 across the board, with the biggest gains in agentic coding, long-running agentic workflows, and knowledge work: long code refactors, front-end and visual...

Input $/1M: $5.00
Output $/1M: $25.0
Context: 1M
Max output: 128K
Released: Sep 1, 2026
Modalities: textimagefile

Intelligence index57

Coding index82

Agentic index58

Cached input reads $0.13 per 1M

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targets.yamlyaml

# targets.yaml - declare a target that runs Claude Fable 5.1 (batch)
targets:
  - id: claude-fable-5-1-batch
    kind: llm
    name: Claude Fable 5.1 (batch)
    metadata:
      model: anthropic/claude-fable-5.1:batch          # links the target to this catalogue entry
    capabilities:
      domains: [general]
      supports_tools: true
      context_window: 1000000
    cost:
      usd_per_1k_tokens: 0.015000

Price among Anthropic models

Input list price per million tokens; Claude Fable 5.1 (batch) is the 7th cheapest of 13 listed.

More from Anthropic

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