Claude Instant 1.2 and LLaMA 2 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. LLaMA 2 shipped 22 days before Claude Instant 1.2, so benchmark comparisons should account for the intervening progress.

Claude Instant 1.2 is proprietary, while LLaMA 2 is open weight.

Direct benchmark comparisons are unavailable — Claude Instant 1.2 and LLaMA 2 don't publish scores on any of the same benchmarks.