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Claude Fable 5

anthropic/claude-fable-5

Anthropic model · Served by Anthropic · live on the gateway

Input / 1M
$10.00
Output / 1M
$50.00
Context
1M tokens
Max output
128K tokens
Input
Text, Image, Pdf
Released
4mo ago

Pricing

Input tokens$10.00 per 1M
Output tokens$50.00 per 1M
Provider list priceExactly what your balance is debited; our fee is charged when you buy credits

About Claude Fable 5

Claude model for creative writing, analysis, and controlled agent workflows

VisionReasoningTools

What it supports

  • Tool calling (function calling)
  • JSON mode and structured output
  • Image input (vision)
  • Audio input
  • Extended reasoning
  • Streaming responses
  • OpenAI SDK, Anthropic SDK and any OpenAI-compatible client

Make a request

curl https://rapidrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $RAPIDROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "anthropic/claude-fable-5",
    "messages": [{ "role": "user", "content": "Hello" }]
  }'

Frequently asked

How do I call Claude Fable 5 through an OpenAI-compatible API?

Point any OpenAI-compatible client at https://rapidrouter.ai/api/v1 with a Rapid Router API key and set the model to anthropic/claude-fable-5. The chat completions endpoint is https://rapidrouter.ai/api/v1/chat/completions.

What is the context window of Claude Fable 5?

Claude Fable 5 has a context window of 1,000,000 tokens on Rapid Router, and returns up to 128,000 output tokens per reply.

What can Claude Fable 5 do?

On Rapid Router, Claude Fable 5 supports tool calling, JSON mode, image input, extended reasoning.

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