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LLaMA 2 vs GPT-4.1

Meta LLaMA 2 vs OpenAI GPT-4.1 — side-by-side specs.

Meta
LLaMA 2
OpenAI
GPT-4.1
Overview
CompanyMetaOpenAI
Release dateJul 18 2023May 14 2025
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapLLaMA 2 shipped 666 days before GPT-4.1

Which is better: LLaMA 2 or GPT-4.1?

LLaMA 2 and GPT-4.1 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. LLaMA 2 shipped 666 days before GPT-4.1, so benchmark comparisons should account for the intervening progress.

LLaMA 2 is an open-source / open-weight model; GPT-4.1 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 LLaMA 2 released?
LLaMA 2 was released by Meta on Jul 18 2023.
When was GPT-4.1 released?
GPT-4.1 was released by OpenAI on May 14 2025.
Is LLaMA 2 or GPT-4.1 open source?
LLaMA 2 is an open-source / open-weight model released by Meta. GPT-4.1 is a proprietary model released by OpenAI.

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