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💬 Text ModelProprietary

Claude Fable 5

by Anthropic

✍️ Analysis by:the whichllmmodel Editorial Team|📅 Updated: June 2026
API Reference

Benchmark Evaluations

Codingswe-bench-pro

80.3%

Reasoninggpqa-diamond

94.1%

Pricing & Speed Details

Input Cost

$10.00

per 1M tokens
Output Cost

$50.00

per 1M tokens
Blended Cost

$20.00

based on 3:1 ratio
Speed

60.3 tps

Context Window

1M tokens

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Quick Info

  • ProviderAnthropic
  • CategoryText / Chat Generation
  • LicenseProprietary

Frequently Asked Questions

Claude Fable 5 has a blended cost of $20.00 per 1 million tokens (calculated using a standard 3:1 input-to-output token ratio). Its specific pricing is $10.00 per 1M input tokens and $50.00 per 1M output tokens.

Claude Fable 5 supports a context window of 1M tokens. This allows it to process large documents, codebase segments, or long chat histories in a single query session.

Claude Fable 5 scores 80.3% on coding evaluations (SWE-bench-pro) and 94.1% on reasoning tasks (GPQA-diamond).

Claude Fable 5 is an proprietary model developed by Anthropic.