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Claude Fable 5.1 API — how to connect and pay

A high-performance model tuned for a broad range of tasks.

Input ($/1M)
0.2667
Output ($/1M)
1.3334
Cache: read / write ($/1M)
0.006668 / 0.333375
Context
1M

Prices in $, updated October 25, 2026.

Performance

Last 7 days: responses / client requests that reached a supplier. Retries of one request count once; input checks, disabled routes, and client cancellations do not lower model quality.

Availability

94.92%

client requests over 7 days

Average latency

16.58 s

to full response

TTFT

10.15 s

to first token

Speed

128 tok/s

generation speed, tok/s (median)

Strengths

  • OpenAI-compatible access
  • Single key for all models

Good for

  • Chat assistants
  • Automation
  • Text processing
  • Product integration

Capabilities

Context
1M tokens
Max output
128K tokens
Input
text, image
Tool calling
supported
JSON mode
supported
Vision
yes
Reasoning
extended thinking — Reasoning tokens are billed at the output rate

A capable model tuned for a broad range of tasks.

Providers

Comparison of public providers for this model: price, availability, TTFT, speed and cache. No traffic yet — available probes shown, otherwise «—».

Provider
Defaultdefault
claude-fable-5-1:claude-code(default, suffix optional)

The supplier does not honour max_tokens: you receive and are billed for its full output

Minimum charge per request — $0.0000133 (supplier rule): short requests are billed no less than this amount

Input $/1M
0.2667
Output $/1M
1.3334
Context
1M / 128K
Availability
—
TTFT
—
Speed
—
Cache hit
—
Caching
yes

Offers

One line per price level: our input / output price per 1M tokens, the discount off the official list price, and how many connected merchant subscription accounts are offering there.

:claude-code
claude-code
Typical price you actually pay: $0.7237 / $3.62 per 1M tokens

Based on 474 paid requests, last 24 hours

$0.2667 / $1.3397.3% off· 1 account· 0% filled
$0.8134 / $4.0791.9% off· 10 accounts· 78% filled
$0.8667 / $4.3391.3% off· 1 account· 10% filled
$3.2 / $1668% off· 1 account· 12% filled
$3.69 / $18.4763.1% off· 1 account· 0% filled
$3.87 / $19.3361.3% off· 1 account· 0% filled
official $10 / $50

Key facts

The live catalog contains 74 text models.

Claude Fable 5.1: 0.2667 $ input and 1.3334 $ output per 1M tokens.

FAQ about the Claude Fable 5.1 API

How much does Claude Fable 5.1 cost?

The price of Claude Fable 5.1: $0.2667 per 1M input · $1.3334 per 1M output tokens. Pay only for the tokens you use — no subscriptions or flat fees.

Is it compatible with the OpenAI SDK?

Yes, the API is fully OpenAI-compatible. Just change base_url to https://getvibeapi.com/v1 and set your key — the rest of the code stays the same.

Connect Claude Fable 5.1 right now

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