TokenRate

Claude Fable 5 Pricing

Flagship

Anthropic · 1M tokens context

Claude Fable 5 from Anthropic costs $10.00 per 1 million input tokens and $50.00 per 1 million output tokens as of June 2026 (live OpenRouter data). The model supports a 1,000,000-token context window (approximately 750,000 words) with a 128K-token maximum output. A typical 1,000-token request costs $0.0100 in input charges; a 10,000-token request costs $0.1000.

Claude Fable 5 pricing and capability summary
Input price$10.00 / 1M tokens
Output price$50.00 / 1M tokens
Output / input ratio5.0×
Context window1,000,000 tokens (~750,000 words)
Maximum output128,000 tokens
Cost per 1K tokens (input)$0.0100
TierFlagship
Last verified

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...

Live pricing from OpenRouter

Input Price

$10.00

per 1 million tokens

Output Price

$50.00

per 1 million tokens

Context Window

1M tokens

max 128K output

Cost Examples

Request TypeTokensInput CostOutput Cost
1,000 word article1,333$0.0133$0.02
10-page document (2,500 words)3,333$0.0333$0.05
1,000 lines of code5,000$0.05$0.075
100K token document100,000$1.00$1.50

Output cost estimated at 30% of input token count. Use the calculator for exact figures.

Strengths

  • Massive 1M-token context window
  • Frontier-class quality on complex tasks
  • Multimodal: understands images as well as text

Limitations

  • Premium pricing — overkill for simple tasks
  • Quality and availability can vary by hosting provider

Best Use Cases

Complex research and analysis
Advanced coding and architecture
Multimodal document understanding
High-stakes production workloads

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Claude Fable 5 — FAQ

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