Moonshot AI Kimi-VL vs xAI Grok 4 — side-by-side specs.
Moonshot AI Kimi-VL | xAI Grok 4 | |
|---|---|---|
| Overview | ||
| Company | Moonshot AI | xAI |
| Release date | Apr 2025 | Jul 9 2025 |
| Model type | — | — |
| Open source | Yes | No |
| Specifications | ||
Parameters | 16B | — |
Context window | — | — |
| Benchmarks | ||
| Timeline | ||
| Release gap | Kimi-VL shipped 99 days before Grok 4 | |
Kimi-VL and Grok 4 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Kimi-VL shipped 99 days before Grok 4, so benchmark comparisons should account for the intervening progress.
Kimi-VL is an open-source / open-weight model; Grok 4 is proprietary.
Direct benchmark comparisons are unavailable — Kimi-VL and Grok 4 don't publish scores on any of the same benchmarks.