The MMM software registry
16 tools: 4 open-source frameworks and 12 managed vendors. 3 of the 12 managed vendors publish pricing; the other 9 are marked quote-only with the month we checked. No inferred rates, no sponsored placement, and nobody on this list ranked themselves. Every other "best MMM software" page in this search result is written by one of its own entries.
Open-source frameworks
License $0; the operating cost is the team. Priced honestly on the build-vs-buy calculator.
Google's free Bayesian framework; the most opinionated of the open-source options, built for geo-level data.
Meta's free framework; ridge regression plus evolutionary search, R-first, fast to first output, opinionated about validation.
The community Bayesian library from PyMC Labs; maximum control, lift-test calibration built in, assumes real statistical depth.
Google's earlier library, now deprecated. Historically important, wrong choice for a new build.
Managed vendors with published pricing
Managed MMM with genuinely published pricing, from $2,990/mo, and a live calculator. Rare transparency in this category.
Managed MMM with published annual tiers: $100k, $150k, $220k+. The entry price rose from $75k within the last year.
Self-serve MMM SaaS (cassandra.app) with published pricing from EUR 2,700/mo and a live configurator.
Managed vendors, quote-only
No published pricing as of August 2026. Take the published anchors above into every call, and bring the 12 questions.
Managed Bayesian MMM with an emphasis on frequent refreshes and out-of-sample validation. Quote-only.
ANZ-origin GrowthOS platform expanding into the US; always-on model refresh positioning. Quote-only.
Forward-planning emphasis: less about last quarter's decomposition, more about next quarter's allocation. Quote-only.
Enterprise incumbent; GPS Enterprise platform, commercial-analytics scope beyond media. Quote-only.
The original incumbent name in marketing mix modeling; enterprise scope and enterprise process. Quote-only.
Incrementality-first: geo experiments as the product, causal measurement as the frame. Quote-only.
MMM built for DTC and e-commerce, daily-cadence optimization positioning. Quote-only.
Measurement platform bundling MMM with incrementality and attribution tooling. Quote-only.
Incrementality experiments feeding media-plan decisions for DTC; MMM as one layer of the offer. Quote-only.
Category-level choice first? Read open-source vs managed or jump to what MMM costs.