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The Bill, Please

The Bill, Please tells the stories and learnings from building Lago, a YC-backed open-source billing & metering product.

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Everyone wants to be the AI gateway

AI gateways look alike because they occupy the same place in the request path. They differ in the decision they control and in the business each company is building around it.

Why Stripe may pay $10B for a router everyone is building

Stripe may be buying the toll booth on inference.

Anthropic drama: Claude Took the Unfair Bullet for Ending Finger-Based Pricing

Open AI Codex is winning the Anthropic Claude backlash for now, but I do not think the most interesting story is “Anthropic made a pricing mistake.”

Maximize optionality

In a foggy market, bet on architecture, not prediction

Open-Sourcing my writing Claude Skill

4K+ points on HackerNews and counting, don't lose your Soul though :)

Embedded software is the biggest growth opportunity for open source

The invisible software supply chain

Vibe-coding platforms monetize. Their users can't.

Lovable crossed $200M ARR in under a year. Replit charges up to $200/month per seat.

How (and why) we built 3 AI agents on mission-critical billing data

We shipped our first AI features in late 2025, long after many other companies who built RAG chatbots starting in early 2023.

5 years of founder grind

Depth over width

Can anyone actually monetize OpenClaw?

OpenClaw might be the fastest-growing open-source project in history.