$13 / 1M tokens

Out

$65 / 1M tokens

Chat

Claude Fable 5.1

Claude Fable 5.1 is Anthropic's most capable model for demanding reasoning and long-horizon agentic work. Features a 1M token context window, always-on adaptive thinking, and stronger long-running agentic coding, multistep research and document work than Claude Fable 5.

Text to Speech

Javascript

Python

                                        const Anthropic = require('@anthropic-ai/sdk');

const api = new Anthropic({
  baseURL: 'https://api.ai.cc/',
  authToken: '',
});

const main = async () => {
  const message = await api.messages.create({
    model: 'anthropic/laude-fable-5.1',
    max_tokens: 2048,
    system: 'You are an AI assistant who knows everything.',
    messages: [
      {
        role: 'user',
        content: 'Tell me, why is the sky blue?',
      },
    ],
  });

  console.log('Message:', message);
};

main();

                                        import asyncio
from anthropic import Anthropic

client = Anthropic(
    base_url="https://api.ai.cc/",
    auth_token="",
)


def main():
    message = client.messages.create(
        model="anthropic/claude-fable-5.1",
        max_tokens=2048,
        system="You are an AI assistant who knows everything.",
        messages=[
            {
                "role": "user",
                "content": "Hello, Claude",
            }
        ],
    )

    print("Message:", message.content)


if __name__ == "__main__":
    main()

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Claude Fable 5.1

Claude Fable 5.1 · API

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MODEL: claude-fable-5-1

Claude Fable 5.1 API Pricing§ 01

Inputper 1M tokens

$13.00

Outputper 1M tokens

$65.00

Cached Inputper 1M tokens

$0.325

RATE CARDUSD / 1M tok

Claude Fable 5.1 vs Other Models§ 02

Model	Input	Output	Context	Best For
Claude Fable 5.1This page	$13/1M	$65/1M	1M tok	Long-horizon agentic coding & research
Claude Fable 5	$13/1M	$65/1M	1M tok	Chat + assistants
GPT-5.5	$6.5/1M	$39/1M	1.05M tok	Reasoning + agents
Claude Sonnet 5	$2.6/1M	$13/1M	1M tok	Balanced coding + agents
Kimi K3	$3.9/1M	$19.5/1M	1M tok	Long-context, multimodal & agentic
Gemini 3.5 Flash	$0.65/1M	$3.9/1M	1.05M tok	Reasoning + agents

* KEEP RECEIPT FOR YOUR RECORDS *

THANK YOU FOR CALLING THE API

www.ai.cc · CLAUDE-FABLE-5-1

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