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

Bard vs o3-pro

Google
Bard
OpenAI
o3-pro
Overview
CompanyGoogleOpenAI
Release dateMar 21 2023Jun 10 2025
AccessProprietaryProprietary
Timeline
Release gapBard shipped 812 days before o3-pro

Which is better: Bard or o3-pro?

Bard and o3-pro don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Bard shipped 812 days before o3-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 — Bard and o3-pro don't publish scores on any of the same benchmarks.

Frequently asked questions

Bard was released by Google on Mar 21 2023.

o3-pro was released by OpenAI on Jun 10 2025.

Other comparisons