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Composer vs Grok 3

Cursor Composer vs xAI Grok 3 — side-by-side specs.

Cursor
Composer
xAI
Grok 3
Overview
CompanyCursorxAI
Release dateOct 29 2025Feb 17 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Timeline
Release gapGrok 3 shipped 254 days before Composer

Which is better: Composer or Grok 3?

Composer and Grok 3 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok 3 shipped 254 days before Composer, 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 and Grok 3 don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Composer released?
Composer was released by Cursor on Oct 29 2025.
When was Grok 3 released?
Grok 3 was released by xAI on Feb 17 2025.

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