Grok Code Fast 1 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 449 days before Grok Code Fast 1, so benchmark comparisons should account for the intervening progress.

Grok Code Fast 1 is proprietary, while GLM-4-9B is open weight.

Direct benchmark comparisons are unavailable — Grok Code Fast 1 and GLM-4-9B don't publish scores on any of the same benchmarks.