The Bill, Please

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

By Anh Tho Chuong

· Over 1,000 subscribers

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.”

May 19•Anh Tho Chuong

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Maximize optionality

In a foggy market, bet on architecture, not prediction

Apr 23•Anh Tho Chuong

Open-Sourcing my writing Claude Skill

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

Apr 12•Anh Tho Chuong

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Embedded software is the biggest growth opportunity for open source

The invisible software supply chain

Mar 27•Finn

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

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

Mar 11•Anh Tho Chuong

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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.

Mar 4•Finn

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5 years of founder grind

Depth over width

Feb 20•Anh Tho Chuong

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Can anyone actually monetize OpenClaw?

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

Feb 11•Finn

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Why every AI coding tool gets pricing wrong

Nobody wants to have to apologize like Cursor did in July.

Nov 13, 2025•Finn

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7 pricing/monetization experts we read to stay ahead of the competition

LinkedIn, Substack and every other platform is full of bad pricing and monetization advice:

Sep 5, 2025•Finn

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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.