Old Zhang's AI Learning

Oct 19, 2026 · Artificial Intelligence

DeepSeek Harness Outperforms Claude Code on Bug Hunt Bench with V4.1 Flash 1017

Third-party Bug Hunt Bench results show DeepSeek Harness (DSH) with DeepSeek-V4.1-Flash-1017 surpasses Claude Code by 2-3 points across reasoning tiers, but consumes 82% more tokens and costs 82% more per task while fixing twice as many non-scored defects; the author recommends DSH for complex debugging and Claude Code for routine coding.