Kimi-Dev vs o1
Moonshot AI Kimi-Dev | OpenAI o1 | |
|---|---|---|
| Overview | ||
| Company | Moonshot AI | OpenAI |
| Release date | Jun 2025 | Dec 5 2024 |
| Access | Open Weight | Proprietary |
| Specifications | ||
Parameters | 72B | — |
| Timeline | ||
| Release gap | o1 shipped 178 days before Kimi-Dev | |
Which is better: Kimi-Dev or o1?
Kimi-Dev and o1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. o1 shipped 178 days before Kimi-Dev, so benchmark comparisons should account for the intervening progress.
Kimi-Dev is open weight, while o1 is proprietary.
Direct benchmark comparisons are unavailable — Kimi-Dev and o1 don't publish scores on any of the same benchmarks.
Frequently asked questions
Kimi-Dev was released by Moonshot AI on Jun 2025.
o1 was released by OpenAI on Dec 5 2024.
Kimi-Dev is an open weight model released by Moonshot AI. o1 is a proprietary model released by OpenAI.