xAI: Grok Code Fast 1

New in 2026

Developed by x-ai

API Pricing (per 1M tokens)

Input$0.20

Output$1.50

Intelligence Benchmarks

MMLU Pro79.3%

GPQA72.7%

Intelligence Index28.7

LivebenchN/A

Technical Specifications

Context Window	256K Tokens
Vision Support	No
Tokens per Second	268
Time to First Token (s)	7.16
Modalities	text->text

About xAI: Grok Code Fast 1

Grok Code Fast 1 is a speedy and economical reasoning model that excels at agentic coding. With reasoning traces visible in the response, developers can steer Grok Code for high-quality work flows.

xAI: Grok Code Fast 1 Pricing, API Limits & Benchmarks 2026