Anthropic: Claude Fable 5.1 (batch)

anthropic/claude-fable-5.1:batch — available through the Autonomous Relay Agents API, served by Anthropic.

Anthropic: Claude Fable 5.1 (batch) has a 1,000,000-token context window and costs $5.00 per million input tokens and $25.00 per million output tokens, at the provider's list price on your own key.

A variant of Anthropic: Claude Fable 5.1, which lists every variant side by side.

Context length

1,000,000 tokens

Input

$5.00 per M

Output

$25.00 per M

Served by

anthropic

Input modalities

text, image, file

This is a BYOK-only model: requests use your own provider key. Prices shown are the provider's list prices.

Call it

Any OpenAI-compatible client works: change the base URL and send this model id.

curl https://autonomousrelay.com/v1/chat/completions \
  -H "Authorization: Bearer $AUTONOMOUS_RELAY_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "anthropic/claude-fable-5.1:batch", "messages": [{"role": "user", "content": "Hello"}]}'