AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

GPT-4 Turbo vs Grok 4.1

OpenAI
GPT-4 Turbo
SpaceXAI
Grok 4.1
Overview
CompanyOpenAISpaceXAI
Release dateNov 6 2023Nov 17 2025
AccessProprietaryProprietary
Specifications
Context window
128k
Timeline
Release gapGPT-4 Turbo shipped 742 days before Grok 4.1

Which is better: GPT-4 Turbo or Grok 4.1?

GPT-4 Turbo and Grok 4.1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GPT-4 Turbo shipped 742 days before Grok 4.1, 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 — GPT-4 Turbo and Grok 4.1 don't publish scores on any of the same benchmarks.

Frequently asked questions

GPT-4 Turbo was released by OpenAI on Nov 6 2023.

Grok 4.1 was released by SpaceXAI on Nov 17 2025.

Other comparisons