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LLaMA 4 Maverick vs GPT-5.4-Pro

0 vs 1 benchmarks won

Meta
LLaMA 4 Maverick
OpenAI
GPT-5.4-Pro
Overview
CompanyMetaOpenAI
Release dateApr 5 2025Mar 5 2026
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
94.4%
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapLLaMA 4 Maverick shipped 334 days before GPT-5.4-Pro

Which is better: LLaMA 4 Maverick or GPT-5.4-Pro?

GPT-5.4-Pro leads LLaMA 4 Maverick on 1 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). LLaMA 4 Maverick shipped 334 days before GPT-5.4-Pro, so benchmark comparisons should account for the intervening progress.

LLaMA 4 Maverick is an open-source / open-weight model; GPT-5.4-Pro 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 Maverick released?
LLaMA 4 Maverick was released by Meta on Apr 5 2025.
When was GPT-5.4-Pro released?
GPT-5.4-Pro was released by OpenAI on Mar 5 2026.
Is LLaMA 4 Maverick or GPT-5.4-Pro open source?
LLaMA 4 Maverick is an open-source / open-weight model released by Meta. GPT-5.4-Pro is a proprietary model released by OpenAI.

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