Latitude

latitude.so

Latitude is an open-source prompt engineering platform that helps teams refine their prompts with data to deliver reliable AI products. It allows users to connect their data, evaluate prompt performance, and deploy changes easily. With features like advanced prompt templating and batch processing, Latitude enables teams to iterate on their prompts using real-world data before shipping changes. The platform supports self-hosting and offers a Hobby tier with up to 40k prompt and evaluation runs every month for free, making it accessible for various team sizes and needs.