Gemini 1.0 Ultra and Kimi Linear don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemini 1.0 Ultra shipped 601 days before Kimi Linear, so benchmark comparisons should account for the intervening progress.

Gemini 1.0 Ultra is proprietary, while Kimi Linear is open weight.

Direct benchmark comparisons are unavailable — Gemini 1.0 Ultra and Kimi Linear don't publish scores on any of the same benchmarks.