GRETA - Growth Engineering Agent

GRETA is Questera’s experimental engine — a powerful AI agent designed not just for growth experimentation but also for rapid prototyping and website creation. At its core, GRETA helps product and marketing teams validate ideas with speed by running controlled experiments, automating A/B testing frameworks, cohort analysis, and feature rollout monitoring. What makes GRETA uniquely powerful is its ability to instantly generate fully functional websites from simple prompts given by users. Whether you're testing a new landing page, a feature concept, or a complete micro-site, GRETA enables you to go from idea to launch in minutes — no design or development skills required. This transforms how growth teams operate, removing bottlenecks in experimentation and making the build-measure-learn loop incredibly fast. GRETA eliminates guesswork, empowers non-technical teams to test independently, and ensures that only the most effective ideas scale forward.