Baidu Geek Talk

Sep 23, 2026 · Artificial Intelligence

Reproducing Jev's Structured Decision Engine for $0.19: 400 Lines of C++ in llama.cpp

The article details reproducing TypeSafe AI's Jev prototype—a single-forward-pass structured decision engine—using Baidu Qianfan Token Plan, implementing 400 lines of C++ in llama.cpp to achieve 70ms parallel decisions with calibrated probabilities, costing only 1.395 yuan (313.9 credits), and shares prompt engineering practices for AI-assisted development.