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

Home/Compare/o4-mini-high vs Grok‑2

o4-mini-high vs Grok‑2

OpenAI o4-mini-high vs xAI Grok‑2 — side-by-side specs.

OpenAI
o4-mini-high
xAI
Grok‑2
Overview
CompanyOpenAIxAI
Release dateApr 16 2025Aug 14 2024
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapGrok‑2 shipped 245 days before o4-mini-high

Which is better: o4-mini-high or Grok‑2?

o4-mini-high and Grok‑2 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Grok‑2 shipped 245 days before o4-mini-high, 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 — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was o4-mini-high released?
o4-mini-high was released by OpenAI on Apr 16 2025.
When was Grok‑2 released?
Grok‑2 was released by xAI on Aug 14 2024.

Other comparisons