Moonshot AI Kimi K1.5 | Moonshot AI Kimi K2.7 Code | |
|---|---|---|
| Overview | ||
| Company | Moonshot AI | Moonshot AI |
| Release date | Jan 20 2025 | Jun 12 2026 |
| Model type | — | — |
| Open source | No | Yes |
| Specifications | ||
Parameters | — | 1T |
Context window | 128k | 256k |
| Benchmarks | ||
| Timeline | ||
| Release gap | Kimi K1.5 shipped 508 days before Kimi K2.7 Code | |
Kimi K1.5 and Kimi K2.7 Code don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Kimi K1.5 shipped 508 days before Kimi K2.7 Code, so benchmark comparisons should account for the intervening progress.
Context windows are 128k (Kimi K1.5) vs 256k (Kimi K2.7 Code). Kimi K2.7 Code is an open-source / open-weight model; Kimi K1.5 is proprietary.
Direct benchmark comparisons are unavailable — Kimi K1.5 and Kimi K2.7 Code don't publish scores on any of the same benchmarks.