Side by side
Google Meridian vs Robyn
Both stand on marketing performance management software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APILinuxMac+2
Meridian combines causal marketing measurement, budget planning, and options for geo-based calibration. Teams using the Scenario Planner need a trained model in an accessible Google Drive or Cloud Storage location.
Visit Google Meridian Free plan APILinuxMac+2
Robyn offers a modeling and budget-planning workflow for advertisers with detailed marketing data, alongside privacy-conscious input requirements. The stable R version is distinct from its beta Python option, which has stated limitations.
Visit RobynThe facts
| Google Meridian | Robyn | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | API, Linux, Mac, Self-hosted, Web | API, Linux, Mac, Self-hosted, Windows |
| Lowest paid plan | Free or on request | Not published |
| Plans published | 1 | None |
| Maker | Not published | Not published |
| Website | developers.google.com | facebookexperimental.github.io |
| On marketing performance management software | #1 of 24 | #3 of 24 |
Google Meridian: what it does well
- Free, open-source modeling library.
- Supports budget optimization and scenario planning.
- GeoX experiments can inform model calibration.
- Includes expanded model health diagnostics.
What to know first
- Scenario Planner needs an accessible trained model.
- The notebook requires a model in Google Drive or Cloud Storage.
- Meridian Studio is a separate enterprise platform.
Robyn: what it does well
- Estimates channel performance, adstock and saturation.
- Automates hyperparameter optimization with evolutionary algorithms.
- Can calibrate models against experiments and other methods.
- Budget allocation supports constrained reallocation scenarios.
- Does not require individual-level data, cookies or pixel data.
What to know first
- The Python version is beta and may have translation issues.
- The beta Python API requires the Robyn R package installed.
- Paid media variables and spend vectors must match in length and order.
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