Cheap Claude Fable 5.1 API
Fable 5 is Anthropic's newest Mythos-class flagship, built for autonomous knowledge work and coding, with text, image and file inputs plus reasoning. Through cheapai it's available via an OpenAI-compatible API from $3.80 per 1M tokens, roughly 62% cheaper than Anthropic's official price. No VPN, pay in ₽, USDT or by card, and it works out of the box with Cursor, Claude Code, Cline and any OpenAI SDK.
| Input / 1M | $3.80 |
| Output / 1M | $19 |
| Cache read / 1M | $0.10 |
| Cache write / 1M | $4.80 |
What it's good for
- agentic coding in Claude Code and Cursor
- refactoring and reviewing large codebases
- long documents and analysis up to 1M-token context
How to connect Claude Fable 5.1
- 1. Register and top up: cheapai.io/register
- 2. Create an API key: cheapai.io/keys
- 3. Point your tool to our API:
Base URL: https://cheapai.io/v1
https://api.cheapai.io/v1 (no CDN)
API key: sk-... (from /keys)
Model: claude-fable-5-1Works with Cursor, Claude Code, Cline, Codex and any OpenAI-compatible SDK. Setup guides →
FAQ
How much does Claude Fable 5.1 cost via cheapai?
$3.80 per 1M tokens for input, $19/1M for output — about 62% below Anthropic's official price.
How do I connect Claude Fable 5.1?
Point your tool's base URL to https://cheapai.io/v1, create an API key at cheapai.io/keys, and use model "claude-fable-5-1". It works with Cursor, Claude Code, Cline and any OpenAI-compatible SDK. The same API is also reachable without a CDN at https://api.cheapai.io/v1 — use that one for long requests that stay silent before answering.
Claude Fable 5.1 API pricing — what exactly am I charged for?
Tokens, nothing else: $3.80 per 1M tokens you send in, $19 per 1M the model writes back, and $0.10 per 1M read from prompt cache. No subscription, no per-request fee, and the balance doesn't expire.
Is Claude Fable 5.1 cheaper here than buying it direct?
Yes — about 62% cheaper on input than Anthropic charges, and the price above is what you actually pay, with no minimum monthly spend.
Do I need a VPN?
No — cheapai works without a VPN and takes ₽, USDT and cards.
Start using Claude Fable 5.1 — cheaper, no VPN
From $3.80/1M · pay in ₽, USDT or by card
Get API key