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

Composer 2 vs Grok‑1

Cursor
Composer 2
SpaceXAI
Grok‑1
Overview
CompanyCursorSpaceXAI
Release dateMar 20 2026Nov 3 2023
AccessProprietaryOpen Weight
Benchmarks
Multilingual coding
SWE-Bench Multilingual
73.7%
Agentic coding
CursorBench v3.1
52.2%
Next.js coding
Next.js Evals
75%
Agentic terminal coding
Terminal-Bench 2.0
61.7%
Timeline
Release gapGrok‑1 shipped 868 days before Composer 2

Which is better: Composer 2 or Grok‑1?

Composer 2 and Grok‑1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok‑1 shipped 868 days before Composer 2, so benchmark comparisons should account for the intervening progress.

Composer 2 is proprietary, while Grok‑1 is open weight.

Direct benchmark comparisons are unavailable — Composer 2 and Grok‑1 don't publish scores on any of the same benchmarks.

Frequently asked questions

Composer 2 was released by Cursor on Mar 20 2026.

Grok‑1 was released by SpaceXAI on Nov 3 2023.

Composer 2 is a proprietary model released by Cursor. Grok‑1 is an open weight model released by SpaceXAI.

Other comparisons