Observed arrival · 2026-10-19
FiscaLLM puts AI costs beside each user’s revenue
An open-source analytics tool for matching AI usage costs with subscription payments, user by user.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- Developers running subscription apps with AI features
- Worth noticing
- The sample dashboard shows AI costs by model and feature, alongside net revenue and a user’s margin.
Field notes
The described workflow reports AI usage from the app backend and payment events through a RevenueCat or Stripe webhook, then compares the two in a dashboard. Sample figures include 29,288 requests and cost breakdowns for Claude, Gemini, fal, and OpenAI; the homepage labels its dashboard data as sample data.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
⊠LoginAccess appeared gated
$PaidCommerce or pricing visible
✦PrettyNotable craft visible
◎NicheUnusually specific use
ƒJavaScriptBrowser-side code central
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