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Composer vs LLaMA 3.1

Cursor Composer vs Meta LLaMA 3.1 — side-by-side specs.

Cursor
Composer
Meta
LLaMA 3.1
Overview
CompanyCursorMeta
Release dateOct 29 2025Jul 23 2024
Model type
Open sourceNoYes
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapLLaMA 3.1 shipped 463 days before Composer

Which is better: Composer or LLaMA 3.1?

Composer and LLaMA 3.1 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. LLaMA 3.1 shipped 463 days before Composer, so benchmark comparisons should account for the intervening progress.

LLaMA 3.1 is an open-source / open-weight model; Composer 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 Composer released?
Composer was released by Cursor on Oct 29 2025.
When was LLaMA 3.1 released?
LLaMA 3.1 was released by Meta on Jul 23 2024.
Is Composer or LLaMA 3.1 open source?
LLaMA 3.1 is an open-source / open-weight model released by Meta. Composer is a proprietary model released by Cursor.

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