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

Claude 3.5 Sonnet (upgraded) vs LLaMA 2

Anthropic
Claude 3.5 Sonnet (upgraded)
Meta
LLaMA 2
Overview
CompanyAnthropicMeta
Release dateOct 22 2024Jul 18 2023
AccessProprietaryOpen Weight
Benchmarks
Coding
SWE-Bench Verified
49%
Timeline
Release gapLLaMA 2 shipped 462 days before Claude 3.5 Sonnet (upgraded)

Which is better: Claude 3.5 Sonnet (upgraded) or LLaMA 2?

Claude 3.5 Sonnet (upgraded) and LLaMA 2 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. LLaMA 2 shipped 462 days before Claude 3.5 Sonnet (upgraded), so benchmark comparisons should account for the intervening progress.

Claude 3.5 Sonnet (upgraded) is proprietary, while LLaMA 2 is open weight.

Direct benchmark comparisons are unavailable — Claude 3.5 Sonnet (upgraded) and LLaMA 2 don't publish scores on any of the same benchmarks.

Frequently asked questions

Claude 3.5 Sonnet (upgraded) was released by Anthropic on Oct 22 2024.

LLaMA 2 was released by Meta on Jul 18 2023.

Claude 3.5 Sonnet (upgraded) is a proprietary model released by Anthropic. LLaMA 2 is an open weight model released by Meta.

Other comparisons