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Composer vs DeepSeek-V3.2

Cursor Composer vs DeepSeek DeepSeek-V3.2 — side-by-side specs.

Cursor
Composer
DeepSeek
DeepSeek-V3.2
Overview
CompanyCursorDeepSeek
Release dateOct 29 2025Dec 1 2025
Model type
Open sourceNoYes
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapComposer shipped 33 days before DeepSeek-V3.2

Which is better: Composer or DeepSeek-V3.2?

Composer and DeepSeek-V3.2 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Composer shipped 33 days before DeepSeek-V3.2, so benchmark comparisons should account for the intervening progress.

DeepSeek-V3.2 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 DeepSeek-V3.2 released?
DeepSeek-V3.2 was released by DeepSeek on Dec 1 2025.
Is Composer or DeepSeek-V3.2 open source?
DeepSeek-V3.2 is an open-source / open-weight model released by DeepSeek. Composer is a proprietary model released by Cursor.

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