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

Claude 1 vs Claude 2

Anthropic
Claude 1
Anthropic
Claude 2
Overview
CompanyAnthropicAnthropic
Release dateMar 14 2023Jul 11 2023
AccessProprietaryProprietary
Timeline
Release gapClaude 1 shipped 119 days before Claude 2

Which is better: Claude 1 or Claude 2?

Claude 1 and Claude 2 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 1 shipped 119 days before Claude 2, 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 Claude 2 don't publish scores on any of the same benchmarks.

Frequently asked questions

Claude 1 was released by Anthropic on Mar 14 2023.

Claude 2 was released by Anthropic on Jul 11 2023.

Other comparisons