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

o1-pro vs Grok‑2

OpenAI
o1-pro
SpaceXAI
Grok‑2
Overview
CompanyOpenAISpaceXAI
Release dateMar 19 2025Aug 14 2024
AccessProprietaryProprietary
Timeline
Release gapGrok‑2 shipped 217 days before o1-pro

Which is better: o1-pro or Grok‑2?

o1-pro 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 217 days before o1-pro, 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 — o1-pro and Grok‑2 don't publish scores on any of the same benchmarks.

Frequently asked questions

o1-pro was released by OpenAI on Mar 19 2025.

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

Other comparisons