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Composer 2.5 vs Grok 2.5

Cursor Composer 2.5 vs xAI Grok 2.5 — side-by-side specs.

Cursor
Composer 2.5
xAI
Grok 2.5
Overview
CompanyCursorxAI
Release dateMay 18 2026Aug 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Multilingual coding
SWE-Bench Multilingual
79.8%
Agentic coding
CursorBench v3.1
63.2%
Agentic terminal coding
Terminal-Bench 2.0
69.3%
Timeline
Release gapGrok 2.5 shipped 290 days before Composer 2.5

Which is better: Composer 2.5 or Grok 2.5?

Composer 2.5 and Grok 2.5 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok 2.5 shipped 290 days before Composer 2.5, 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 2.5 and Grok 2.5 don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Composer 2.5 released?
Composer 2.5 was released by Cursor on May 18 2026.
When was Grok 2.5 released?
Grok 2.5 was released by xAI on Aug 2025.

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