Training a 4B model to produce 81% faster query plans than Postgres
Source
polyphilz
Author
polyphilz
Date
Terms in this piece · Glossary
benchmark — A standard public test set for comparing AI models — the shared scoreboards behind every "model X beats model Y" claim.
Why it matters
A 4B Qwen model trained via agentic RL against a live Postgres measurement rig learns query hints that beat Postgres's own planner, cutting latency by up to 44.7% across 113 join-heavy queries from the Join Order benchmarkA standard public test set for comparing AI models — the shared scoreboards behind every "model X beats model Y" claim.Full definition →.
