Leveling Up with Eric Siu · 2026-06-18 · 14 min
Growth Newsletter for top marketers: Everyone is obsessing over Opus 4.8 right now, but Codex is quietly making me serious money. In this video I walk through six ways I am actually using Codex inside my business today, from spinning up custom ad creative for every single prospect to a multi-threaded recruiting machine, an internal skills marketplace, and a Dream 100 revenue command center. None of this is theory. These agents are running live in my company while I record, some of them for days at a time. If you are a founder or operator, the takeaway is simple: the people who learn how to do this first are the ones who pull ahead. It all comes down to your relationship with learning and change.
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