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Composer 1.5 vs Grok 4

Cursor Composer 1.5 vs xAI Grok 4 — side-by-side specs.

Cursor
Composer 1.5
xAI
Grok 4
Overview
CompanyCursorxAI
Release dateFeb 8 2026Jul 9 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Timeline
Release gapGrok 4 shipped 214 days before Composer 1.5

Which is better: Composer 1.5 or Grok 4?

Composer 1.5 and Grok 4 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok 4 shipped 214 days before Composer 1.5, 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 Grok 4 don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Composer 1.5 released?
Composer 1.5 was released by Cursor on Feb 8 2026.
When was Grok 4 released?
Grok 4 was released by xAI on Jul 9 2025.

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