Composer 1.5vsDeepSeek-V4-Pro-0813

Composer 1.5
DeepSeek-V4-Pro-0813
Benchmarks
Next.js coding
Next.js Evals
67%
Agentic terminal coding
Terminal-Bench 2.1
87.9%
Personal tool use
Toolathlon-Verified
74.1%
Cybersecurity
CyberGym
83.3%
Multidisciplinary reasoning
Humanity's Last Exam · no tools
42.7%
Multidisciplinary reasoning
Humanity's Last Exam · with tools
60%
Business workflows
AutomationBench
31.8%
Overview
CompanyCursorDeepSeek
Release dateFeb 9 2026Aug 13 2026
AccessProprietaryProprietary

Which is better: Composer 1.5 or DeepSeek-V4-Pro-0813?

Composer 1.5 and DeepSeek-V4-Pro-0813 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Composer 1.5 shipped 185 days before DeepSeek-V4-Pro-0813, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

Direct benchmark comparisons are unavailable — Composer 1.5 and DeepSeek-V4-Pro-0813 don't publish scores on any of the same benchmarks.

Frequently asked questions

Composer 1.5 was released by Cursor on Feb 9 2026.

DeepSeek-V4-Pro-0813 was released by DeepSeek on Aug 13 2026.

Other comparisons