How much does grok-4-fast-non-reasoning:free cost per 1M tokens?

Input is priced at $0.00 per 1M tokens, output at $0.00 per 1M tokens. Billing is per token, no rounding to batch sizes.

How do I access grok-4-fast-non-reasoning:free via API?

Send requests to the UnoRouter /v1/chat/completions endpoint with model=grok-4-fast-non-reasoning:free. Any OpenAI-compatible client library works. Authentication uses a standard Bearer token.

xAI: grok-4-fast-non-reasoning:free

Name: grok-4-fast-non-reasoning:free
Brand: xAI

grok-4-fast-non-reasoning:free

2M context131.1K outToolsVisionFilesStructuredWeb search

Released Aug 27, 2025Knowledge cutoff 2024Updated Aug 27, 2025

A high-speed, cost-optimized variant of Grok-4 that skips the internal thinking phase for near-instant responses. It maintains a massive 2M context window and excels in conversational AI, high-volume data extraction, and real-time tool-calling without the latency of chain-of-thought processing.

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