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claude-fable-5-1

Claude Fable 5.1

The newest and most capable model in the Claude line. Same list price as Fable 5, with cache reads at a quarter of the cost.

Claude You pay 75% of list price OpenAI-compatible Pay as you go
List price · input
$10.00
per 1M tokens · output $50.00
You pay · input
$7.50
per 1M tokens · output $37.50
You save 25% on every call. Same model, same context window, same speed — the only thing that changes is your bill.

Price breakdown

Per 1M tokensList priceAPICLANYou save
Input$10.00$7.5025%
Output$50.00$37.5025%

Cached input is billed at a fraction of the input rate, so agent tools that resend the same context — Codex, Claude Code, Cline — cost considerably less in practice than the raw token count suggests.

Only available in the Claude CC Max group. The model string is claude-fable-5-1 with hyphens, not a dot.

Work out your own cost

Put in the token counts from a typical request. Both columns update as you type.

At list price
At APICLAN

What a real session costs

A coding session through Codex on this platform used 90,459 tokens across five requests — roughly seventeen minutes of back-and-forth over a codebase. At list price that is $0.178. The customer paid $0.036.

That is real billing data, not an estimate. Heavy context reuse is exactly where the saving compounds: the same work, one fifth of the invoice.

How to call claude-fable-5-1

The API is OpenAI-compatible. Point your base URL at APICLAN and pass the model name — nothing else in your code changes.

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_KEY",
    base_url="https://apiclan.us/v1",
)

resp = client.chat.completions.create(
    model="claude-fable-5-1",
    messages=[{"role": "user", "content": "Hello"}],
)

Using Claude Code or the Anthropic SDK? Those clients append /v1/messages themselves, so their base URL is https://apiclan.us with no /v1. Full setup for every client is in the Quickstart.

Other Claude models

ModelInput / 1MOutput / 1M
claude-fable-5$3.00$15.00
claude-opus-5$1.50$7.50
claude-opus-4-8$1.50$7.50
claude-sonnet-5$0.600$3.00

Prices above are what you pay, not list price. Cheaper models in the same family often handle routine work at a fraction of the cost — worth testing before defaulting to the largest one.

Start using it

No subscription, no monthly minimum, no sales call. Top up with USDT and spend what you use — 1 USDT gives you 2 credits of API balance.

Read the 30-second quickstart

Pricing verified 2026-09-07 · 按真实账单校准. List prices change; this page is regenerated automatically from live billing data.

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