Claude Instant 1.2 and Mistral NeMo don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude Instant 1.2 shipped 344 days before Mistral NeMo, so benchmark comparisons should account for the intervening progress.

Claude Instant 1.2 is proprietary, while Mistral NeMo is open weight.

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