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Claude 2 vs LLaMA 2

Anthropic Claude 2 vs Meta LLaMA 2 — side-by-side specs.

Anthropic
Claude 2
Meta
LLaMA 2
Overview
CompanyAnthropicMeta
Release dateJul 11 2023Jul 18 2023
Model type
Open sourceNoYes
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapClaude 2 shipped 7 days before LLaMA 2

Which is better: Claude 2 or LLaMA 2?

Claude 2 and LLaMA 2 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Claude 2 shipped 7 days before LLaMA 2, so benchmark comparisons should account for the intervening progress.

LLaMA 2 is an open-source / open-weight model; Claude 2 is proprietary.

Direct benchmark comparisons are unavailable — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was Claude 2 released?
Claude 2 was released by Anthropic on Jul 11 2023.
When was LLaMA 2 released?
LLaMA 2 was released by Meta on Jul 18 2023.
Is Claude 2 or LLaMA 2 open source?
LLaMA 2 is an open-source / open-weight model released by Meta. Claude 2 is a proprietary model released by Anthropic.

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