Kimi Chat and Grok‑1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Kimi Chat shipped 33 days before Grok‑1, so benchmark comparisons should account for the intervening progress.

Kimi Chat is proprietary, while Grok‑1 is open weight.

Direct benchmark comparisons are unavailable — Kimi Chat and Grok‑1 don't publish scores on any of the same benchmarks.