Claude Fable 5 · orcarouter

Claude Fable 5 is Anthropic's Mythos-class model - a capability tier above the Opus class - made safe for general use. Its capabilities exceed any model Anthropic has previously released broadly, with state-of-the-art results across software engineering, knowledge work, vision, and scientific research; the longer and more complex the task, the larger its lead. It accepts text, image, and file inputs with text output, serves a 1M-token context window with up to 128K output tokens, and supports adaptive reasoning and structured outputs. Fable 5 is built for autonomous, long-horizon work: it stays coherent across millions of tokens, improves its own outputs using file-based memory, and completes complex multi-step tasks with far less scaffolding than prior models. It is the new state of the art for vision-heavy tasks - extracting precise values from scientific figures, rebuilding applications from screenshots alone - and a step change for agentic coding and prototyping, handling codebase-wide migrations and frontier engineering tasks in fewer, more token-efficient turns. This makes it a strong default for AI coding assistants, deep research and analysis pipelines, and long-running autonomous agents where sustained coherence and judgment matter most.

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Entrée, $/1M $10.00

Sortie, $/1M $50.00

Lecture cache $1.00

Écriture cache $12.50

Contexte 1 000 000

Sortie max. 128 000

Accepte application/pdf, image/gif, image/jpeg, image/png, image/webp, texte

Dernière vérification 04.11.2026 12:26:37 UTC

Source page du fournisseur

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API

API compatible OpenAI : les SDK officiels d'OpenAI fonctionnent avec cette URL de base. Remplacez YOUR_API_KEY par votre clé du fournisseur.

URL de base de l'API	`https://api.orcarouter.ai/v1`
Point de terminaison	`https://api.orcarouter.ai/v1/chat/completions`
ID du modèle	`anthropic/claude-fable-5`

curl

curl https://api.orcarouter.ai/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "anthropic/claude-fable-5", "messages": [{"role": "user", "content": "Hello!"}], "max_tokens": 256}'

Python

import requests

r = requests.post(
    "https://api.orcarouter.ai/v1/chat/completions",
    headers={"Authorization": "Bearer YOUR_API_KEY"},
    json={
      "model": "anthropic/claude-fable-5",
      "messages": [
        {
          "role": "user",
          "content": "Hello!"
        }
      ],
      "max_tokens": 256
    },
)
print(r.json())

JavaScript

const r = await fetch("https://api.orcarouter.ai/v1/chat/completions", {
  method: "POST",
  headers: {Authorization: "Bearer YOUR_API_KEY", "Content-Type": "application/json"},
  body: JSON.stringify({
    "model": "anthropic/claude-fable-5",
    "messages": [
      {
        "role": "user",
        "content": "Hello!"
      }
    ],
    "max_tokens": 256
  }),
});
console.log(await r.json());

Requête (JSON)

{
  "model": "anthropic/claude-fable-5",
  "messages": [
    {
      "role": "user",
      "content": "Hello!"
    }
  ],
  "max_tokens": 256
}

Réponse (JSON)

{
  "id": "chatcmpl-...",
  "object": "chat.completion",
  "model": "anthropic/claude-fable-5",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "Hi! How can I help?"
      },
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 9,
    "completion_tokens": 12,
    "total_tokens": 21
  }
}

L'adresse provient de la liste de modèles du fournisseur ; vérifiez-la dans sa documentation.

Documentation API du fournisseur

Source: AI Rate Card, https://airatecard.com/fr/c/offer%3Aorcarouter%7Canthropic/claude-fable-5, prices checked 2026-11-04; seller's page: https://orcarouter.ai/models/anthropic/claude-fable-5

Détails techniques

ID: offer:orcarouter|anthropic/claude-fable-5