Vendors / Lago
Lago
Named in 29 of 50 AI answers across 1 category in September 2026. Best position: Subscription billing, 58% answer share, ranked #4, named first in 0%.
58%
Best share Subscription billing
What Lago is
Lago is an open-source billing platform for engineering, product, finance and operations teams managing complex billing. It links product usage and commercial terms to customer invoices, supporting usage-based, subscription, prepaid and hybrid pricing.
Teams manage billing and invoicing through an API and a visual interface. Applications connect through a REST API, official SDKs and signed webhooks. Lago calculates charges, generates invoices, applies tax and connects to payment processors to collect payment. It can be self-hosted or used as a managed cloud service.
By category
First edition
| Category | Rank | Answer share | Named first | Models | Δ |
|---|---|---|---|---|---|
| Subscription billingStartup stack | #4 of 15 | 0% | GPT-5.6 Sol, ChatGPT, GPT-5.6 Luna, Claude Opus 5, Claude, Claude Fable 5, Gemini, Gemini 3.5 Flash, Perplexity, Sonar Reasoning Pro | new |
What the models said
“Choose Lago only if self-hosting, customization, or avoiding proprietary billing infrastructure is a genuine requirement.”
“Choose Lago if self-hosting, source visibility, or payment-provider flexibility is strategically important.”
“If your pricing is usage-based from day one, lean toward Orb, Lago, or Flexprice instead.”
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