Anthropic Claude Fable 5 — Mythos-class 旗舰
Model ID: claude-fable-5 · Type: chat · Provider: Anthropic
Endpoints: /v1/messages · /v1/chat/completions
| Input (per 1M tokens) | $10 USD |
| Output (per 1M tokens) | $50 USD |
| Cache read (per 1M tokens) | $1 USD |
| Cache write 5m (per 1M tokens) | $12.5 USD |
| Cache write 1h (per 1M tokens) | $20 USD |
from openai import OpenAI
client = OpenAI(api_key="sk-...", base_url="https://api.router.ai/v1")
resp = client.chat.completions.create(
model="claude-fable-5",
messages=[{"role": "user", "content": "Hello"}],
)
print(resp.choices[0].message.content)Claude Fable 5 (`claude-fable-5`) is billed per usage at $10/1M in · $50/1M out, in USD. Current pricing is always listed at https://yigekey.com/models/claude-fable-5.
Send a request to https://api.router.ai/v1/v1/messages with the header `Authorization: Bearer <your API key>` and `"model": "claude-fable-5"`. The API is OpenAI-compatible, so any OpenAI SDK works by changing base_url to https://api.router.ai/v1 — no other code change.
Claude Fable 5 can be called on: /v1/messages; /v1/chat/completions.
Claude Fable 5 accepts up to 1,000,000 input tokens and can return up to 64,000 output tokens. Requests exceeding the input limit are rejected before reaching the model.
Claude Fable 5 supports: vision, function_calling, prompt_caching.
Claude Fable 5 is a chat model from Anthropic, available through the 聚合 AI 中转站 gateway with the same API key as every other model.
Call it through the 聚合 AI 中转站 OpenAI-compatible endpoint (API base: https://api.router.ai/v1). AI agents can discover and call every model on this gateway through MCP (https://mcp.router.ai/mcp) with no manual integration.