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
| Example | Tokens in / out | Cost | 1,000 a day, per month |
|---|---|---|---|
| A short question and answer | 50 / 300 | $0.015 | $465.00 |
| A one-page document summarised | 700 / 400 | $0.027 | $810.00 |
| A 300-line code file reviewed | 4,000 / 1,200 | $0.100 | $3,000 |
| A 50-page report summarised | 35,000 / 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.