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LLaMA 4 Scout vs GPT-5.1

0 vs 3 benchmarks won

Meta
LLaMA 4 Scout
OpenAI
GPT-5.1
Overview
CompanyMetaOpenAI
Release dateApr 5 2025Nov 12 2025
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
88.1%
Software engineering
SWE-Bench Verified
76.3%
Multimodal understanding
MMMU
76%
Timeline
Release gapLLaMA 4 Scout shipped 221 days before GPT-5.1

Which is better: LLaMA 4 Scout or GPT-5.1?

GPT-5.1 leads LLaMA 4 Scout on 3 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). LLaMA 4 Scout shipped 221 days before GPT-5.1, so benchmark comparisons should account for the intervening progress.

LLaMA 4 Scout is an open-source / open-weight model; GPT-5.1 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 4 Scout released?
LLaMA 4 Scout was released by Meta on Apr 5 2025.
When was GPT-5.1 released?
GPT-5.1 was released by OpenAI on Nov 12 2025.
Is LLaMA 4 Scout or GPT-5.1 open source?
LLaMA 4 Scout is an open-source / open-weight model released by Meta. GPT-5.1 is a proprietary model released by OpenAI.

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