DeepSeek V4 Pro Tops Smart Contract Security Test at Lower Compute Cost

DeepSeek V4 Pro detected 11 of 12 flags in a smart contract security competition while using $1.45 in compute, outperforming Claude Opus 4.8 on both accuracy and cost. Claude Opus 4.8 identified 10 of 12 flags and used $7.61 in compute. The result highlights a widening pricing gap in AI coding tools, with DeepSeek delivering stronger performance in this test at a fraction of the cost.