What’s the Best Marketing Mix Model? A comparison between Robyn and Meridian

Robyn from Meta is a widely adopted Open Source code to build your own Marketing mix Models. It based on a frequentist methodology. It has many case studies, has evolved quite a bit in the previous 3 years and is considered as an Industry benchmark. Meridian from Google is new (released in 2025) and is backed by Google and its partner ecosystem. It is based on Bayesian statistical framework and its community support is emerging.