ShiZhen AI

May 28, 2026 · Artificial Intelligence

Beyond Prompt Tuning: How OpenAI Built a Production-Ready Tax Agent

OpenAI’s recent tax‑agent case shows that reliable AI agents require a closed‑loop workflow—trace logging, expert feedback, systematic evaluation, and Codex‑driven code improvements—rather than mere prompt tweaking, achieving up to 97 % draft accuracy across 7,000 filings.