Cheap Grok 4.1 Fast Reasoning API
An xAI Grok model — reasoning and answers from fresh data with search. The fast variants think without a long wait. Through cheapai it's available via an OpenAI-compatible API from $0.12/1M per 1M tokens, roughly 40% cheaper than xAI'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 | $0.12 |
| Output / 1M | $0.31 |
What it's good for
- reasoning and analysis
- search with source citations
- coding and agentic tasks
How to connect Grok 4.1 Fast Reasoning
- 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 API key: sk-... (from /keys) Model: grok-4-1-fast-reasoning
Works with Cursor, Claude Code, Cline, Codex and any OpenAI-compatible SDK. Setup guides →
FAQ
How much does Grok 4.1 Fast Reasoning cost via cheapai?
$0.12/1M per 1M tokens for input, $0.31/1M for output — about 40% below xAI's official price.
How do I connect Grok 4.1 Fast Reasoning?
Point your tool's base URL to https://cheapai.io/v1, create an API key at cheapai.io/keys, and use model "grok-4-1-fast-reasoning". It works with Cursor, Claude Code, Cline and any OpenAI-compatible SDK.
Do I need a VPN?
No — cheapai works without a VPN and takes ₽, USDT and cards.
Start using Grok 4.1 Fast Reasoning — cheaper, no VPN
From $0.12/1M · pay in ₽, USDT or by card
Get API key