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

Grok 4 vs Grok‑2

SpaceXAI
Grok 4
SpaceXAI
Grok‑2
Overview
CompanySpaceXAISpaceXAI
Release dateJul 9 2025Aug 14 2024
AccessProprietaryProprietary
Timeline
Release gapGrok‑2 shipped 329 days before Grok 4

Which is better: Grok 4 or Grok‑2?

Grok 4 and Grok‑2 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok‑2 shipped 329 days before Grok 4, 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 — Grok 4 and Grok‑2 don't publish scores on any of the same benchmarks.

Frequently asked questions

Grok 4 was released by SpaceXAI on Jul 9 2025.

Grok‑2 was released by SpaceXAI on Aug 14 2024.

Other comparisons