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

Claude 1 vs o1

Anthropic
Claude 1
OpenAI
o1
Overview
CompanyAnthropicOpenAI
Release dateMar 14 2023Dec 5 2024
AccessProprietaryProprietary
Timeline
Release gapClaude 1 shipped 632 days before o1

Which is better: Claude 1 or o1?

Claude 1 and o1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 1 shipped 632 days before o1, 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 1 and o1 don't publish scores on any of the same benchmarks.

Frequently asked questions

Claude 1 was released by Anthropic on Mar 14 2023.

o1 was released by OpenAI on Dec 5 2024.

Other comparisons