claude-fable-5

Name: claude-fable-5
Author: Anthropic

Claude Fable 5 is a Mythos-class model from Anthropic, built for autonomous knowledge work and coding. It supports text, image, and file inputs with text output, with reasoning support and...

Starting atSave 5%

Input

$9.6807/ 1M

~~$10.2857~~

Output

$48.4034/ 1M

~~$51.4286~~

Open dashboard

Available from 2 channels

Each channel is compared at its lowest input-price tier; output breaks ties. A dash means /api/pricing does not provide that rate. Selecting a channel updates the endpoints and call example below.

ChannelUSD per 1M tokensInputOutputCache readCache write

jd/claude-fable-5

Lowest input

Input

$9.6807

Output

$48.4034

Cache read

$0.9681

Cache write

$12.1008

anthropic/claude-fable-5

Input

$10.00

Output

$50.00

Cache read

$1.00

Cache write

$12.50

Endpoints

POST/v1/chat/completionsChat Completions

Call it

Using jd/claude-fable-5

1from openai import OpenAI23client = OpenAI(4    base_url="https://www.realrelay.ai/v1",5    api_key="sk-***",6)78response = client.chat.completions.create(9    model="jd/claude-fable-5",10    messages=[{"role": "user", "content": "Hello"}],11)1213print(response.choices[0].message.content)

1import OpenAI from "openai";23const client = new OpenAI({4  baseURL: "https://www.realrelay.ai/v1",5  apiKey: process.env.REALRELAY_API_KEY,6});78const response = await client.chat.completions.create({9  model: "jd/claude-fable-5",10  messages: [{ role: "user", content: "Hello" }],11});1213console.log(response.choices[0].message.content);

1curl https://www.realrelay.ai/v1/chat/completions \2  -H "Authorization: Bearer $REALRELAY_API_KEY" \3  -H "Content-Type: application/json" \4  -d '{5    "model": "jd/claude-fable-5",6    "messages": [{ "role": "user", "content": "Hello" }]7  }'

Prices and availability as published on Oct 4, 2026.

Capabilities

Adaptive thinkingReasoningTool useVision

Input

TextImage

Output

Text