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

Claude 2 vs o3-mini-high

Anthropic
Claude 2
OpenAI
o3-mini-high
Overview
CompanyAnthropicOpenAI
Release dateJul 11 2023Jan 31 2025
AccessProprietaryProprietary
Timeline
Release gapClaude 2 shipped 570 days before o3-mini-high

Which is better: Claude 2 or o3-mini-high?

Claude 2 and o3-mini-high don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 2 shipped 570 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 — Claude 2 and o3-mini-high don't publish scores on any of the same benchmarks.

Frequently asked questions

Claude 2 was released by Anthropic on Jul 11 2023.

o3-mini-high was released by OpenAI on Jan 31 2025.

Other comparisons