Model

Claude Fable 5.1

Anthropic pricing data current as of 2026-09-03.

Pricing

/ 1M tokens

$10.00 input · $0.25 cached input · $12.50 cache write · $50.00 output

Batch discount

50%

Provider

Anthropic

Family

claude

Model ID

claude-fable-5-1

Availability

Active

Access

Direct API

Supports

text · image · file

Context window

1,000,000

Max output

128,000

Coding agent cost calculator

Estimate output-heavy coding assistant usage where long generations can dominate cost.

Added to the model directory.

2026-09-03