Lumen blog · Sep 2025
Founder blog post arguing that LLMs improved but became slower and more expensive, tying the argument to evolving pricing models.
Fastest way to implement payments in your product.
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Updated Jul 29, 2026
Overview
Lumen Payments is the billing and entitlements product brand of Pretzel AI GmbH, a YC W24 Berlin startup building developer-focused SaaS monetization infrastructure: pricing tables, usage metering, entitlements, invoicing, and payment orchestration.
Primary product
SaaS billing and entitlements infrastructure with usage-based billing, pricing tables, and feature gating
Founded
2024
Headquarters
Berlin, Germany
Team size
1-10 employees
Industry
Software Development
Sub-industry
SaaS billing, payments, and entitlements infrastructure
Offices
Berlin, Germany (Jungstraße 12, c/o Prasoon Shukla)
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