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Gemini 1.5 Pro vs Grok Code Fast 1

Google Gemini 1.5 Pro vs xAI Grok Code Fast 1 — side-by-side specs.

Google
Gemini 1.5 Pro
xAI
Grok Code Fast 1
Overview
CompanyGooglexAI
Release dateFeb 15 2024Aug 28 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Timeline
Release gapGemini 1.5 Pro shipped 560 days before Grok Code Fast 1

Which is better: Gemini 1.5 Pro or Grok Code Fast 1?

Gemini 1.5 Pro and Grok Code Fast 1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemini 1.5 Pro shipped 560 days before Grok Code Fast 1, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

Direct benchmark comparisons are unavailable — Gemini 1.5 Pro and Grok Code Fast 1 don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Gemini 1.5 Pro released?
Gemini 1.5 Pro was released by Google on Feb 15 2024.
When was Grok Code Fast 1 released?
Grok Code Fast 1 was released by xAI on Aug 28 2025.

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