Composer 1.5 vs Kimi Linear
Cursor Composer 1.5 | Moonshot AI Kimi Linear | |
|---|---|---|
| Overview | ||
| Company | Cursor | Moonshot AI |
| Release date | Feb 9 2026 | Oct 2025 |
| Access | Proprietary | Open Weight |
| Specifications | ||
Parameters | — | 48B |
| 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 | Kimi Linear shipped 131 days before Composer 1.5 | |
Which is better: Composer 1.5 or Kimi Linear?
Composer 1.5 and Kimi Linear don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Kimi Linear shipped 131 days before Composer 1.5, so benchmark comparisons should account for the intervening progress.
Composer 1.5 is proprietary, while Kimi Linear is open weight.
Direct benchmark comparisons are unavailable — Composer 1.5 and Kimi Linear don't publish scores on any of the same benchmarks.
Frequently asked questions
Composer 1.5 was released by Cursor on Feb 9 2026.
Kimi Linear was released by Moonshot AI on Oct 2025.
Composer 1.5 is a proprietary model released by Cursor. Kimi Linear is an open weight model released by Moonshot AI.
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