Grok 2.5 and GLM-4-9B don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GLM-4-9B shipped 422 days before Grok 2.5, so benchmark comparisons should account for the intervening progress.

Grok 2.5 is proprietary, while GLM-4-9B is open weight.

Direct benchmark comparisons are unavailable — Grok 2.5 and GLM-4-9B don't publish scores on any of the same benchmarks.