Anthropic API pricing

Claude Fable 5.1 pricing

Input / 1M tokens
$10
Output / 1M tokens
$50
Cached input / 1M
$0.25

Source: Anthropic pricing, checked 1 Nov 2026.

Price your prompt on Fable 5.1

What a prompt costs on Claude Fable 5.1

ExampleTokens in / outCost1,000 a day, per month
A short question and answer50 / 300$0.015$465.00
A one-page document summarised700 / 400$0.027$810.00
A 300-line code file reviewed4,000 / 1,200$0.100$3,000
A 50-page report summarised35,000 / 1,500$0.425$12,750

Token sizes are typical, not exact. Replies include any thinking the model does.

Other Claude models

Opus 5.5Sonnet 5.5Sonnet 5Haiku 5.5Sonnet 4.6Haiku 4.5

FAQ

How much does Claude Fable 5.1 cost?

$10 per million input tokens and $50 per million output tokens on Anthropic's standard API tier, and $0.25 per million for cached input. Checked 1 Nov 2026.

What does one prompt cost on Claude Fable 5.1?

A 1,000-token prompt with a typical medium-length reply costs about $0.050. Paste your own prompt into the calculator for an exact figure.