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Models / claude-fable-5-1

claude-fable-5-1 API on RelayRouter

claude-fable-5-1 is a text generation (chat) model from Anthropic. On RelayRouter it is served by 6 public groups, billed per token from a prepaid balance with no platform fee, through the same base URL as every other model: https://relayrouter.io.

Facts

Model idclaude-fable-5-1
ProviderAnthropic
Modalitytext generation (chat)
ProtocolsAnthropic Messages API (/v1/messages)
BillingPer token, prepaid balance, failed requests not billed, no platform fee
PaymentCredit or debit card via Stripe

Groups and rates

GroupProtocolRate
ClaudeAnthropic Messages APIsettlement rate ¥2 per $1 of standard usage, about 71% below the ¥6.8/$ market reference
Claude Code FastAnthropic Messages APIsettlement rate ¥2.3 per $1 of standard usage, about 66% below the ¥6.8/$ market reference
Claude AWSAnthropic Messages APIsettlement rate ¥5.4 per $1 of standard usage, about 21% below the ¥6.8/$ market reference
Claude HermesAnthropic Messages APIsettlement rate ¥5.4 per $1 of standard usage, about 21% below the ¥6.8/$ market reference
Claude FailoverAnthropic Messages APIsettlement rate ¥5.5 per $1 of standard usage, about 19% below the ¥6.8/$ market reference
Claude Official APIAnthropic Messages APIsettlement rate ¥5.5 per $1 of standard usage, about 19% below the ¥6.8/$ market reference

Rates are indicative and settle from your prepaid balance; the rate shown in the console at request time is authoritative. Market reference ¥6.8 per $1. Full table on the models page and pricing.

How to call it

Create a key in the console for a group that lists claude-fable-5-1, then call it with that group's native protocol. The quick start covers all three protocols.

main.pypython
import anthropic

client = anthropic.Anthropic(
    api_key="your-relayrouter-key",
    base_url="https://relayrouter.io",
)

msg = client.messages.create(
    model="claude-fable-5-1",
    max_tokens=1024,
    messages=[{"role": "user", "content": "Hello!"}],
)
print(msg.content[0].text)

Questions

How much does claude-fable-5-1 cost on RelayRouter?

The cheapest public group serving claude-fable-5-1 is "Claude": settlement rate ¥2 per $1 of standard usage, about 71% below the ¥6.8/$ market reference. Usage is deducted from your prepaid balance and the exact rate at request time is shown in the console.

Which API protocol do I use for claude-fable-5-1?

Use the native protocol of the group you pick: Anthropic Messages API at /v1/messages. The base URL is always https://relayrouter.io and the key goes in the usual header for that SDK.

Are failed requests billed?

No. Only successfully completed calls are billed, and there is no platform fee on top of token usage.

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