Kimi Linear vs o1
Moonshot AI Kimi Linear | OpenAI o1 | |
|---|---|---|
| Overview | ||
| Company | Moonshot AI | OpenAI |
| Release date | Oct 30 2025 | Dec 5 2024 |
| Access | Open Weight | Proprietary |
| Specifications | ||
Parameters | 48B | — |
| Timeline | ||
| Release gap | o1 shipped 329 days before Kimi Linear | |
Which is better: Kimi Linear or o1?
Kimi Linear and o1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. o1 shipped 329 days before Kimi Linear, so benchmark comparisons should account for the intervening progress.
Kimi Linear is open weight, while o1 is proprietary.
Direct benchmark comparisons are unavailable — Kimi Linear and o1 don't publish scores on any of the same benchmarks.
Frequently asked questions
Kimi Linear was released by Moonshot AI on Oct 30 2025.
o1 was released by OpenAI on Dec 5 2024.
Kimi Linear is an open weight model released by Moonshot AI. o1 is a proprietary model released by OpenAI.