GPT-5.6-CybervsGrok Code Fast 1

GPT-5.6-Cyber
Grok Code Fast 1
Benchmarks
Community preference (code)
Arena Elo (Code)
1163
Overview
CompanyOpenAISpaceXAI
Release dateAug 10 2026Aug 28 2025
AccessProprietaryProprietary

Which is better: GPT-5.6-Cyber or Grok Code Fast 1?

GPT-5.6-Cyber and Grok Code Fast 1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok Code Fast 1 shipped 347 days before GPT-5.6-Cyber, 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 — GPT-5.6-Cyber and Grok Code Fast 1 don't publish scores on any of the same benchmarks.

Frequently asked questions

GPT-5.6-Cyber was released by OpenAI on Aug 10 2026.

Grok Code Fast 1 was released by SpaceXAI on Aug 28 2025.

Other comparisons