Kimi K2.7 Code and GPT-5.6 Terra don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Kimi K2.7 Code shipped 14 days before GPT-5.6 Terra, so benchmark comparisons should account for the intervening progress.

Kimi K2.7 Code is open weight, while GPT-5.6 Terra is proprietary.

Direct benchmark comparisons are unavailable — Kimi K2.7 Code and GPT-5.6 Terra don't publish scores on any of the same benchmarks.