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Claude 3.5 Sonnet vs LLaMA 4 Maverick

2 vs 0 benchmarks won

Anthropic
Claude 3.5 Sonnet
Meta
LLaMA 4 Maverick
Overview
CompanyAnthropicMeta
Release dateJun 20 2024Apr 5 2025
Model type
Open sourceNoYes
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
59.4%
Software engineering
SWE-Bench Verified
33.4%
Multimodal understanding
MMMU
Timeline
Release gapClaude 3.5 Sonnet shipped 289 days before LLaMA 4 Maverick

Which is better: Claude 3.5 Sonnet or LLaMA 4 Maverick?

Claude 3.5 Sonnet leads LLaMA 4 Maverick on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Claude 3.5 Sonnet shipped 289 days before LLaMA 4 Maverick, so benchmark comparisons should account for the intervening progress.

LLaMA 4 Maverick is an open-source / open-weight model; Claude 3.5 Sonnet 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 3.5 Sonnet released?
Claude 3.5 Sonnet was released by Anthropic on Jun 20 2024.
When was LLaMA 4 Maverick released?
LLaMA 4 Maverick was released by Meta on Apr 5 2025.
Is Claude 3.5 Sonnet or LLaMA 4 Maverick open source?
LLaMA 4 Maverick is an open-source / open-weight model released by Meta. Claude 3.5 Sonnet is a proprietary model released by Anthropic.

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