Claude Fable 5.1 pricing & benchmarks
Claude Fable 5.1 is available from Anthropic at $10.00 per million input tokens and $50.00 per million output tokens ($20.00 blended at 3:1). It accepts up to 1,000,000 tokens of context. 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...
Pricing
Per million tokens · OpenRouter
Input$10.00
Output$50.00
Blended (3:1)$20.00
Specification
anthropic/claude-fable-5.1
Context window1M
Max output128K
ReleasedSep 2026
LicenceProprietary
Modalitiesin:text, in:image, in:file, out:text
No independently-run benchmark scores are published for Claude Fable 5.1 yet. We show nothing rather than reprinting an unverified figure.
Where to run Claude Fable 5.1
4 hosts · all priced within ~5% of each other. Blended at 3:1. ⚠ marks an option serving less context than the best available, or re-pricing above a prompt-length threshold. Bracketed labels are the provider's own service tier or region.
| Host | Blended $/1M | In / Out | Context | Uptime 24h |
|---|---|---|---|---|
| Azure | $20.00 | $10.00 / $50.00 | 1M | 100.0% |
| Anthropic | $20.00 | $10.00 / $50.00 | 1M | 100.0% |
| Amazon Bedrock | $20.00 | $10.00 / $50.00 | 1M | — |
| Google (global) | $20.00 | $10.00 / $50.00 | 1M | 99.5% |
Host prices and uptime from OpenRouter, synced 2026-10-22.
Subscriptions that include Claude Fable 5.1
Consumer plans whose published model list names this model
Compare Claude Fable 5.1
FAQ
How much does Claude Fable 5.1 cost?
Claude Fable 5.1 costs $10.00 per million input tokens and $50.00 per million output tokens on OpenRouter. At a 3:1 input:output mix that blends to $20.00 per million tokens.
What is Claude Fable 5.1's context window?
Claude Fable 5.1 accepts up to 1,000,000 tokens of context, and can generate up to 128,000 output tokens.