# Meridian

> Updated 2026-08-25 · type: tool · category: marketing-ops · status: active · rev 1

Google's media-mix-modeling (MMM) framework for measuring channel contribution and modeling budget allocation — privacy-safe marketing science, not ad-copy…

- Open source: yes (Apache-2.0)
- Self-hostable: yes
- Pricing model: free
- Best for: Advertisers and marketing analysts building in-house Marketing Mix Models to measure campaign impact and guide budget planning.
- Last verified: 2026-09-04

- **Canonical:** https://gtmstacker.com/registry/tool/meridian/
- **Source:** [github · google/meridian](https://github.com/google/meridian)
- **Tags:** marketing-ops, mmm, measurement, bayesian
- **Repository:** https://github.com/google/meridian

## Is Meridian open source?

Yes — Apache-2.0-licensed.

## How much does Meridian cost?

It is free to use.

## Can I self-host Meridian?

Yes — it can be self-hosted.


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Google's media-mix-modeling (MMM) framework for measuring channel contribution and modeling budget allocation — privacy-safe marketing science, not ad-copy generation.

## Provenance

- Apache-2.0 verified (1.5k★, active, from Google).
- Surfaced via the GTM Stacker X/Twitter signal reports (the "35 marketing repos" list + named drops); license independently WebFetch-verified 2026-09-03.