19th turns your data into small, fast specialist models for focused product tasks: extraction, classification, scoring, ranking
19th turns your data into small, fast specialist models for focused product tasks: extraction, classification, scoring, ranking. Built to beat frontier LLMs on accuracy, latency, and cost. We search hundreds of model candidates across architectures, sizes, and training strategies, then distill the best into a production-ready model. What an ML team does in weeks, finished in minutes.