Kimi K1.5 vs o3-mini
Moonshot AI Kimi K1.5 | OpenAI o3-mini | |
|---|---|---|
| Overview | ||
| Company | Moonshot AI | OpenAI |
| Release date | Jan 20 2025 | Jan 31 2025 |
| Access | Proprietary | Proprietary |
| Specifications | ||
Context window | 128k | — |
| Timeline | ||
| Release gap | Kimi K1.5 shipped 11 days before o3-mini | |
Which is better: Kimi K1.5 or o3-mini?
Kimi K1.5 and o3-mini don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Kimi K1.5 shipped 11 days before o3-mini, 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 — Kimi K1.5 and o3-mini don't publish scores on any of the same benchmarks.
Frequently asked questions
Kimi K1.5 was released by Moonshot AI on Jan 20 2025.
o3-mini was released by OpenAI on Jan 31 2025.
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