Tomasz Tunguz · 6 October 2026 · Operating Insight

How to Automate Inbound

Tomasz Tunguz, MD @ Theory

Vercel's COO reveals how they built an inbound sales agent that now handles qualification and outreach with minimal human oversight—starting with a 125-line prompt, evolving to 1,000 lines, then distilling to 14 deterministic rules plus model-driven judgment, running the entire function for ~$1k/year in inference.

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Topics: Enterprise Software · Marketing & Sales Tech

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