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o3-mini vs Grok‑2

OpenAI o3-mini vs xAI Grok‑2 — side-by-side specs.

OpenAI
o3-mini
xAI
Grok‑2
Overview
CompanyOpenAIxAI
Release dateJan 31 2025Aug 14 2024
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Timeline
Release gapGrok‑2 shipped 170 days before o3-mini

Which is better: o3-mini or Grok‑2?

o3-mini 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 170 days before o3-mini, 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 — o3-mini and Grok‑2 don't publish scores on any of the same benchmarks.

Frequently asked questions

When was o3-mini released?
o3-mini was released by OpenAI on Jan 31 2025.
When was Grok‑2 released?
Grok‑2 was released by xAI on Aug 14 2024.

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