Claude Fable 5.1 API
anthropic/claude-fable-5.1
Call Claude Fable 5.1 through UberLLM’s OpenAI-compatible API — from $1.11/M input and $5.55/M output, routed automatically to the cheapest healthy seller. Anthropic · 1,000,000 token context. Fee included.
Claude Fable 5.1 pricing
- Input
- $1.111
- Output
- $5.555
- Cached input
- $0.0278
- Input
- $11.00
- Output
- $55.00
- Cached input
- $0.275
| Provider | Input | Output | Cached input |
|---|---|---|---|
| Anthropic | $10.00 | $50.00 | $0.25 |
| Venice AI | $10.00 | $50.00 | $0.25 |
| Bankr | $10.00 | $50.00 | $0.25 |
| OpenRouter | $10.00 | $50.00 | $0.25 |
UberLLM routes every request to the cheapest healthy seller for this model. The price shown includes UberLLM’s 10% fee.
How to use Claude Fable 5.1 with the OpenAI SDK
Already using the OpenAI SDK? Change one line — the base URL — and call Claude Fable 5.1 with your existing code. Anthropic SDKs work against https://api.uberllm.dev/v1/messages.
from openai import OpenAI
client = OpenAI(
base_url="https://api.uberllm.dev/v1",
api_key="ull_your_key_here",
)
resp = client.chat.completions.create(
model="anthropic/claude-fable-5.1",
messages=[{"role": "user", "content": "Hello!"}],
)
print(resp.choices[0].message.content)Claude Fable 5.1 API — FAQ
How much does the Claude Fable 5.1 API cost?
Claude Fable 5.1 is listed from $1.11 per million input tokens and $5.55 per million output tokens through UberLLM, which routes each request to the cheapest healthy seller on a live marketplace and bills the price shown, which includes UberLLM's 10% fee.
How do I call Claude Fable 5.1 via API?
Use any OpenAI-compatible SDK: set the base URL to https://api.uberllm.dev/v1, your UberLLM API key, and model "anthropic/claude-fable-5.1". Anthropic SDKs work via https://api.uberllm.dev/v1/messages.
Is Claude Fable 5.1 OpenAI-compatible on UberLLM?
Yes. Every model on UberLLM — including Claude Fable 5.1 — is served through one OpenAI-compatible endpoint, so you change only the base URL and key.