Both help you see what AI costs per user. The difference is what they compare it with, what they cost, and where your data lives. Checked on 2026-11-02 from MarginMeter's public page; we make FiscaLLM, so tell us if anything about MarginMeter is out of date.
| FiscaLLM | MarginMeter | |
|---|---|---|
| What it is | AI cost per user joined to real revenue: margin per user, plan and free trial | Hosted SaaS gross-margin tracking: AI spend by provider, model and project against Stripe revenue |
| Price | Free. Hosted with fair use (100,000 events per app per month), or self-hosted with no limit | See its site |
| Hosting | Hosted or self-hosted | Hosted |
| Open source | Yes, MIT (server, dashboard and SDKs) | Not stated |
| Revenue used for margin | Real revenue from RevenueCat (one-click connect and import), Stripe (webhook and 12-month import, beta, USD), CSV upload, or a revenue API | Stripe balance transactions, net of refunds, disputes and tax, through a read-only key |
Pick MarginMeter if you want company-level gross margin across AI providers from Stripe, rather than margin per end user.
Open the demo dashboard (sample data, no sign-up), read the docs, or start free. All comparisons: AI cost per user tools compared.
Yes. FiscaLLM is free and open source (MIT): use the hosted service at fiscallm.com or run your own copy. MarginMeter: See its site.
Yes. FiscaLLM only needs one tracking call after each AI request and a revenue source, so it runs next to other tools.