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

Composer 2.5 vs Gemma 2

Cursor
Composer 2.5
Google
Gemma 2
Overview
CompanyCursorGoogle
Release dateMay 18 2026Jun 27 2024
AccessProprietaryOpen Weight
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 gapGemma 2 shipped 690 days before Composer 2.5

Which is better: Composer 2.5 or Gemma 2?

Composer 2.5 and Gemma 2 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemma 2 shipped 690 days before Composer 2.5, so benchmark comparisons should account for the intervening progress.

Composer 2.5 is proprietary, while Gemma 2 is open weight.

Direct benchmark comparisons are unavailable — Composer 2.5 and Gemma 2 don't publish scores on any of the same benchmarks.

Frequently asked questions

Composer 2.5 was released by Cursor on May 18 2026.

Gemma 2 was released by Google on Jun 27 2024.

Composer 2.5 is a proprietary model released by Cursor. Gemma 2 is an open weight model released by Google.

Other comparisons