JD Tech Talk

Jan 9, 2026 · Artificial Intelligence

How JoyCode Agent Reached 74.6% Pass@1 on SWE‑bench Verified with a Patch‑Test Co‑Generation Loop

This technical report details JoyCode Agent’s end‑to‑end pipeline that couples patch generation with fail‑to‑pass and pass‑to‑pass test creation, uses trajectory compression, CSR similarity retrieval, and multi‑agent iterative retries to achieve a 74.6% Pass@1 score on the SWE‑bench Verified benchmark while cutting compute costs by 30‑50%.