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o3-mini-high vs Grok‑1.5

OpenAI o3-mini-high vs xAI Grok‑1.5 — side-by-side specs.

OpenAI
o3-mini-high
xAI
Grok‑1.5
Overview
CompanyOpenAIxAI
Release dateJan 31 2025Mar 29 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‑1.5 shipped 308 days before o3-mini-high

Which is better: o3-mini-high or Grok‑1.5?

o3-mini-high and Grok‑1.5 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Grok‑1.5 shipped 308 days before o3-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 o3-mini-high released?
o3-mini-high was released by OpenAI on Jan 31 2025.
When was Grok‑1.5 released?
Grok‑1.5 was released by xAI on Mar 29 2024.

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