ClaudeDetails
Current model Needs review

Claude Fable 5

Next-generation intelligence for long-running agents

claude-fable-5 · Anthropic

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Context window1,000,000 tokens
Input price$10 / M tokens
Output price$50 / M tokens

Claude Fable 5 is described by Anthropic as next-generation intelligence for long-running agents, pairing a 1,000,000-token context window — among the largest in the current lineup — with adaptive thinking that adjusts reasoning depth automatically to the task at hand. Unlike some other current Claude models, it does not offer an extended thinking mode. Pricing is set at $10 per million input tokens and $50 per million output tokens.

Strengths

Supports adaptive thinking, adjusting reasoning depth automatically to the task.

1M-token context window — among the largest of the current lineup.

Limitations

  • No extended thinking mode, unlike some other current Claude models.

Best use cases

  • Next-generation intelligence for long-running agents

Other current models