Composer 1.5 vs o1-mini
Cursor Composer 1.5 | OpenAI o1-mini | |
|---|---|---|
| Overview | ||
| Company | Cursor | OpenAI |
| Release date | Feb 9 2026 | Sep 12 2024 |
| Access | Proprietary | Proprietary |
| 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 | o1-mini shipped 515 days before Composer 1.5 | |
Which is better: Composer 1.5 or o1-mini?
Composer 1.5 and o1-mini don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. o1-mini shipped 515 days before Composer 1.5, 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 1.5 and o1-mini don't publish scores on any of the same benchmarks.
Frequently asked questions
Composer 1.5 was released by Cursor on Feb 9 2026.
o1-mini was released by OpenAI on Sep 12 2024.
Other comparisons
Composer 1.5 vs Claude Sonnet 5o1-mini vs Claude Sonnet 5Composer 1.5 vs Gemini Omnio1-mini vs Gemini OmniComposer 1.5 vs Muse Spark 1.1o1-mini vs Muse Spark 1.1Composer 1.5 vs Grok 4.5o1-mini vs Grok 4.5Composer 1.5 vs DeepSeek-V4-Proo1-mini vs DeepSeek-V4-ProComposer 1.5 vs Mistral Medium 3.5o1-mini vs Mistral Medium 3.5