Composer 1.5 vs Gemma 4
Cursor Composer 1.5 | Google Gemma 4 | |
|---|---|---|
| Overview | ||
| Company | Cursor | |
| Release date | Feb 8 2026 | Apr 2 2026 |
| Access | Proprietary | Open Weight |
| Benchmarks | ||
Next.js coding Next.js EvalsVercel's open eval of how well AI coding agents build and migrate real Next.js apps — measured as the share of tasks the agent completes successfully. Higher is better. | 67% | — |
| Timeline | ||
| Release gap | Composer 1.5 shipped 53 days before Gemma 4 | |
Which is better: Composer 1.5 or Gemma 4?
Composer 1.5 and Gemma 4 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Composer 1.5 shipped 53 days before Gemma 4, so benchmark comparisons should account for the intervening progress.
Composer 1.5 is proprietary, while Gemma 4 is open weight.
Direct benchmark comparisons are unavailable — Composer 1.5 and Gemma 4 don't publish scores on any of the same benchmarks.
Frequently asked questions
Composer 1.5 was released by Cursor on Feb 8 2026.
Gemma 4 was released by Google on Apr 2 2026.
Composer 1.5 is a proprietary model released by Cursor. Gemma 4 is an open weight model released by Google.
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