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

Claude 2 vs LLaMA 2

Anthropic
Claude 2
Meta
LLaMA 2
Overview
CompanyAnthropicMeta
Release dateJul 11 2023Jul 18 2023
AccessProprietaryOpen Weight
Timeline
Release gapClaude 2 shipped 7 days before LLaMA 2

Which is better: Claude 2 or LLaMA 2?

Claude 2 and LLaMA 2 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 2 shipped 7 days before LLaMA 2, so benchmark comparisons should account for the intervening progress.

Claude 2 is proprietary, while LLaMA 2 is open weight.

Direct benchmark comparisons are unavailable — Claude 2 and LLaMA 2 don't publish scores on any of the same benchmarks.

Frequently asked questions

Claude 2 was released by Anthropic on Jul 11 2023.

LLaMA 2 was released by Meta on Jul 18 2023.

Claude 2 is a proprietary model released by Anthropic. LLaMA 2 is an open weight model released by Meta.

Other comparisons