OpenAI says 2 engineers + Codex rewrote habitat service in Rust, 6x CPU and 15x memory gains
imjustnewatai · x · 2026-09-15
OpenAI reportedly used 2 engineers with Codex and GPT-5.5 to rewrite its habitat service in Rust: 95% of habitat traffic now runs on Rust, delivering 6x better CPU efficiency and 15x better memory efficiency than the Python version.
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