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

Composer 2.5 vs Grok 3 mini

Cursor
Composer 2.5
SpaceXAI
Grok 3 mini
Overview
CompanyCursorSpaceXAI
Release dateMay 18 2026Feb 17 2025
AccessProprietaryProprietary
Benchmarks
Agentic coding
SWE-Bench Pro
54%
Multilingual coding
SWE-Bench Multilingual
79.8%
Agentic coding
CursorBench v3.1
63.2%
Agentic coding
DeepSWE 1.0
18%
Next.js coding
Next.js Evals
92%
Agentic terminal coding
Terminal-Bench 2.1
73%
Agentic terminal coding
Terminal-Bench 2.0
69.3%
Timeline
Release gapGrok 3 mini shipped 455 days before Composer 2.5

Which is better: Composer 2.5 or Grok 3 mini?

Composer 2.5 and Grok 3 mini don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok 3 mini shipped 455 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 3 mini don't publish scores on any of the same benchmarks.

Frequently asked questions

Composer 2.5 was released by Cursor on May 18 2026.

Grok 3 mini was released by SpaceXAI on Feb 17 2025.

Other comparisons