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

Composer 2.5 vs DeepSeek V3-0324

Cursor
Composer 2.5
DeepSeek
DeepSeek V3-0324
Overview
CompanyCursorDeepSeek
Release dateMay 18 2026Mar 24 2025
AccessProprietaryOpen Weight
Benchmarks
Multilingual coding
SWE-Bench Multilingual
79.8%
Agentic coding
CursorBench v3.1
63.2%
Next.js coding
Next.js Evals
92%
Agentic terminal coding
Terminal-Bench 2.0
69.3%
Timeline
Release gapDeepSeek V3-0324 shipped 420 days before Composer 2.5

Which is better: Composer 2.5 or DeepSeek V3-0324?

Composer 2.5 and DeepSeek V3-0324 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek V3-0324 shipped 420 days before Composer 2.5, so benchmark comparisons should account for the intervening progress.

Composer 2.5 is proprietary, while DeepSeek V3-0324 is open weight.

Direct benchmark comparisons are unavailable — Composer 2.5 and DeepSeek V3-0324 don't publish scores on any of the same benchmarks.

Frequently asked questions

Composer 2.5 was released by Cursor on May 18 2026.

DeepSeek V3-0324 was released by DeepSeek on Mar 24 2025.

Composer 2.5 is a proprietary model released by Cursor. DeepSeek V3-0324 is an open weight model released by DeepSeek.

Other comparisons