AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

Home/Compare/Composer 2 vs DeepSeek V2.5 (Revised)

Composer 2 vs DeepSeek V2.5 (Revised)

Cursor Composer 2 vs DeepSeek DeepSeek V2.5 (Revised) — side-by-side specs.

Cursor
Composer 2
DeepSeek
DeepSeek V2.5 (Revised)
Overview
CompanyCursorDeepSeek
Release dateMar 20 2026Dec 2024
Model type
Open sourceNoYes
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapDeepSeek V2.5 (Revised) shipped 474 days before Composer 2

Which is better: Composer 2 or DeepSeek V2.5 (Revised)?

Composer 2 and DeepSeek V2.5 (Revised) do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. DeepSeek V2.5 (Revised) shipped 474 days before Composer 2, so benchmark comparisons should account for the intervening progress.

DeepSeek V2.5 (Revised) is an open-source / open-weight model; Composer 2 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 2 released?
Composer 2 was released by Cursor on Mar 20 2026.
When was DeepSeek V2.5 (Revised) released?
DeepSeek V2.5 (Revised) was released by DeepSeek on Dec 2024.
Is Composer 2 or DeepSeek V2.5 (Revised) open source?
DeepSeek V2.5 (Revised) is an open-source / open-weight model released by DeepSeek. Composer 2 is a proprietary model released by Cursor.

Other comparisons