Old Zhang's AI Learning
Sep 15, 2026 · Artificial Intelligence
DeepSeek-V4.1-Flash Harness Showdown: Claude Code Wins on Quality & Efficiency
Benchmarking DeepSeek-V4.1-Flash across four harnesses on a Space Invaders coding task reveals Claude Code delivers the highest quality with 3× fewer tokens and 4× less time than Pi Agent, while DeepSeek Harness standard mode is fastest but less thorough, and minimal mode fails.
AI coding benchmarkClaude CodeDeepSeek Harness
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