Cursor Composer 1.5 vs OpenAI o1 — side-by-side specs.
Cursor Composer 1.5 | OpenAI o1 | |
|---|---|---|
| Overview | ||
| Company | Cursor | OpenAI |
| Release date | Feb 8 2026 | Dec 5 2024 |
| Model type | — | — |
| Open source | No | No |
| Specifications | ||
Parameters | — | — |
Context window | — | — |
| Benchmarks | ||
| Timeline | ||
| Release gap | o1 shipped 430 days before Composer 1.5 | |
Composer 1.5 and o1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. o1 shipped 430 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 don't publish scores on any of the same benchmarks.