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Launching6 min read

From side project to first 100 customers

The unglamorous playbook: one use case, one audience, pricing from day one, and the discipline to ship the boring parts.

PR

Priya Raman

Founder · Lumen

Lumen started as a weekend script that answered questions over a single PDF. Getting to the first 100 paying customers had nothing to do with the script and everything to do with refusing to build the wrong things.

Narrow, then narrower

The first version did one thing: index a Drive folder and answer with page citations, for support teams only. Every feature request that didn't serve that persona was logged and declined. That discipline is the only reason shipping cadence stayed weekly.

Charge from day one

We put a price on it before it felt ready. Free pilots generated opinions; the first $29/month generated requirements. Within six weeks, paying customers told us more about the roadmap than three months of free beta feedback.

  • Ship the boring parts: billing, error states, empty states.
  • Talk to every churned customer within 48 hours.
  • Write the docs you wish you had — they become your best sales pages.

Keep reading

6 min readRAG

Why retrieval quality beats model size

Teams obsess over which model to use. The real lever in document Q&A is what you feed it — chunking, deduplication, and metadata.

Priya Raman · Founder

8 min readTutorial

The 30-minute RAG setup for your team wiki

A practical walkthrough: connectors, chunking, and the three questions to test first when standing up document Q&A for your team.

Tomás Laifer · Engineering

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