72% off official pricing
$2.80 in / $14 out per 1M tokens, against Anthropic's $10 / $50 list. The same official Fable 5, billed at a fraction of list.
Mythos-class · Previous flagship
Claude Fable 5.
72% off official pricing.
The previous flagship of Anthropic's Fable line, a Mythos-class model for sustained knowledge work and long-running agents. Drop-in through RouteMux at $2.80 in / $14 out per 1M tokens — 72% below Anthropic's $10 / $50 list price.
Only successful requests are billed. Unused balance is refundable.
Why run Fable 5 on RouteMux
A balance you can get back
Top up what you need, spend it on Fable 5 or any other model, and ask for the rest back. No subscription, no seats — and only successful requests are billed.
Drop-in, one base URL
Keep your OpenAI or Anthropic SDK. Point the base URL at RouteMux, paste your key, and call anthropic/claude-fable-5.
72% OFF OFFICIAL PRICING
Claude Fable 5 pricing
Per 1M tokens, in USD — official Claude, 72% below list.
| Anthropic list | RouteMux | |
|---|---|---|
| Input | $10 / 1M | $2.80 / 1M |
| Output | $50 / 1M | $14 / 1M |
72% below Anthropic's official pricing for Claude Fable 5. Your first top-up gets 20% extra credit, and unused balance is refundable.
Questions, answered
How much cheaper is Claude Fable 5 on RouteMux?
$2.80 in / $14 out per 1M tokens against Anthropic's $10 / $50 list — 72% below official pricing, on the same official model with no throttling.
Do I need a balance to call Claude Fable 5?
Yes — Claude models require a funded balance, so top up before your first call. There is no subscription: you pay for what you use, your first top-up earns 20% extra credit, and whatever you don't spend is refundable.
How do I call Claude Fable 5 through RouteMux?
Point your existing OpenAI or Anthropic SDK at RouteMux's base URL, use your RouteMux key, and set the model to anthropic/claude-fable-5. No code rewrite.
What context window does Claude Fable 5 have?
1M tokens, the same as calling Anthropic directly. RouteMux passes requests through to the official model — the discount is on price, not on capability.
Start building with Claude today
Create your account, top up, and point your SDK at RouteMux. Minutes, not migrations.
Get started20% extra credit applies to your first top-up, within 72 hours of signing up. Unused balance is refundable.
