Cost vs. quality on catalog integrity The article in one picture: on the same catalog-review workflow, with the same tools, images, and scorer, our GRPO fine-tune of a 9B open-source model (pink) beats every frontier configuration we tested, at $0.50 per 1,000 listings: 40× cheaper than the least expensive frontier setup and ~340× cheaper than the most expensive. Part I Everyone asked the same question Since ChatGPT launched in 2022, business leaders have been asking the same question: what can ...