Google Meridian vs Sellforte

Google Meridian is a free, open-source Bayesian marketing mix modeling library for estimating channel contribution and ROI, modeling response curves and planning budgets. It is designed to estimate causal marketing impact and incremental outcomes for treatment variables. Teams can use geo-level data for media effect estimates, incorporate business knowledge through priors, and include controls such as Google Query Volume. Meridian supports reach and frequency modeling for video and search query volume data to account for organic demand. Its budget optimization and scenario planning features help teams assess channel allocation. Meridian GeoX supports geo experiments whose results can be used to calibrate models; automated calibration and expanded model health diagnostics are also supported. The Scenario Planner notebook requires access to at least one trained model stored in Google Drive or Google Cloud Storage. Meridian Studio is a Google Cloud-powered enterprise platform for managing models, with capacity to run up to hundreds simultaneously. Google describes Meridian as intended for cross-functional measurement teams, including analysts, business users, data scientists and technical practitioners. Support includes community discussions and expert support through Discord, plus technical troubleshooting through GitHub.

Sellforte is an enterprise Marketing Mix Modeling platform for ecommerce, direct-to-consumer, and retail brands. It produces incrementality-based recommendations at campaign and ad-set level, with AI agents named Media Planner, Media Buyer, and Experiments. Approved budget and bid recommendations can be sent through APIs to Meta, Google, and TikTok, with user confirmation required before changes go live. Built-in connectors cover more than 500 data sources, including Snowflake, BigQuery, Amazon S3/RDS, and Microsoft Azure Blob/Azure SQL. Customer data is isolated by environment, and the company describes audits, VPN, IP whitelisting, Azure AD SSO, and Google SSO. Marketing measurement does not use personal data, according to Sellforte. Plans start at $1,900 a month for Incrementality Testing and reach $8,500 a month for Enterprise, based on average monthly media spend of $300,000.