Independent Security Researcher

Z.ai shipped a major capability jump without changing the base model at all — and then held the open weights back because the same training made it dangerously good at exploiting vulnerabilities. Benchmarks (vendor and independent), the 2,436 real bugs it found, every price and endpoint.

China passed the US in global AI model downloads and now sets the world's price floor for tokens. The plain-English case — open weights, structural cost efficiency, domestic silicon, ecosystem density — plus the honest caveats.

DeepSeek's V4 model lineup, the open-source DeepSeek Harness agent framework, and every DeepSeek API off-peak discount window and price — with sources.

uv is a blazingly fast all in one Python management tool. uv is written in Rust and offers 10x to 100x speed increase over older tools