Flexprice is an open-source monetization platform that meters usage in real time and generates invoices at end of cycle. Credyt is real-time billing infrastructure where customers prepay into wallets and usage debits immediately. This article compares their billing architectures, pricing, and when each fits.
Flexprice: An open-source (AGPLv3) monetization platform targeting SaaS and AI teams evaluating usage-based billing for the first time. Subscriptions, credit wallets, and invoicing are supported as separate billing tracks. Wallet and advanced credit features sit in the paid cloud tiers: Starter at $500/month, Premium at $1,000/month. Available as managed cloud or self-hosted (Docker Compose, AWS ECS/EKS). Founded 2023; v2.1.3 shipped April 2026; 3.6k GitHub stars (github.com/flexprice/flexprice, accessed April 2026).
Credyt: Real-time billing infrastructure for AI products. Pl