Modelsclaude-fable-5-1

Anthropic: Claude Fable 5.1

claude-fable-5-1

Anthropic Claude Fable 5.1 for demanding reasoning, long-horizon agentic coding, multistep research, and complex knowledge work.

anthropicclaudefablemultimodalreasoning

Capabilities & limits

Model type: Vision Language
Input modalities
Output modalities
Context: 1,000,000tokens
Max output: 128,000tokens
Vision / images: Yes
Tools & function calling: Not specified

Updated Sep 1, 2026

Pricing

Pay as you go. Rates depend on the provider route you use; below is reference pricing when available.

Uncached input tokens
$10 / per 1M tokens
Cache creation tokens
Cache creation tokens minus Cache creation (5 min), Cache creation (1 hour), then billed
$12.5 / per 1M tokens
Cache creation (5 min)
$12.5 / per 1M tokens
Cache creation (1 hour)
$20 / per 1M tokens
Cache hit tokens
$0.25 / per 1M tokens
Output tokens
$50 / per 1M tokens

One scenario is selected per request; prices from different rows are not added together. Within the selected scenario, the listed meter charges are added together. For adjusted meters, the named sub-meters are deducted before applying the rate.