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Models/Anthropic/Fable 5.1

Fable 5.1

Anthropic 🧠 Language Model

Fable 5.1 by Anthropic: the most capable generally available Claude, for demanding reasoning and long-horizon agentic work. 1M context, 128K output, adaptive thinking always on.

Specifications

Input modalitiestext, image
Output modalitiestext
Capabilitiestools, reasoning
Relative speed●●●○○ Average
Context window1,000,000 tokens
Max output128,000 tokens
Vision inputYes
Tool callingYes
Streaming outputYes
Input price$17.50 / 1M
Output price$87.50 / 1M

Pricing

$17.50 / 1M input tokens  ·  $87.50 / 1M output tokens

Platform credit pricing — live rates on the Models page.

Use Fable 5.1 on Zubnet →

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