Grok Code Fast 1

by xAI

Released · 49 days after Grok 4

Benchmarks

Independent benchmark scores: the Intelligence Index and the individual evaluations behind it, grouped by skill.

Intelligence Index (previous version)14.1
Coding
LiveCodeBench
66%
Agentic & knowledge work
Terminal-Bench Hard
17%
τ²-Bench Telecom
76%
Science & reasoning
Humanity's Last Exam
8%
GPQA Diamond
73%
Long-context reasoning
53%
Knowledge
MMLU-Pro
79%
Math & instruction following
AIME 2025
43%
IFBench
41%

Available routes

No routes currently available — Grok Code Fast 1 isn't routed through the Opper gateway right now. It's tracked here for its release history.

Contact us about this model →

Available models from xAI

Start building with 700+ models

One API key for every major provider, up and running in minutes.

Get startedView Documentation