How Aperture Drove a 75% CPA Drop and 9x Scale for a Client With Luma

Aperture is a full-service growth agency that works the entire funnel, helping brands figure out what creative to make and why. The agency tripled in size over the past twelve months, and its clients needed more ad variants and faster turnaround than traditional production could support. Many founders were still skeptical that AI-generated creative could look real enough to run.

For a handful of clients, creative had become a bottleneck slowing growth. Aperture needed to produce ad creative at a much higher volume without growing the team or leaning on costly external vendors, while keeping the strategic rigor (jobs-to-be-done research, customer psychology) behind work that performs.

Aperture built its own internal operating system, Aperture OS, which feeds every brief, hypothesis, and result the agency has produced into a creative intelligence layer: a record of what’s been validated, what’s been disproven, and what converts. The system suggests new briefs and scores them by confidence. A strategist reviews and approves each one before Aperture OS calls the Luma API directly (Uni for imaging, Ray for video) to generate finished creative at the click of a button.

For everything that still benefits from a human in the loop, the team works inside the Luma board. Strategists compare concepts side by side, keep recurring brand assets and avatars consistent across campaigns, and storyboard longer videos shot by shot instead of trying to one-shot them. The board’s large context window means the conversation remembers what came before instead of resetting with every prompt.

The gains show up directly in the stats above. On one client, Aperture’s cost per acquisition dropped by over 75%, and the client scaled ad spend 9x, with founders happy enough to keep increasing the budget. The shift in how clients see AI creative has been just as significant: those who arrived convinced AI had no place in their creative now ask for more of it, and several have started calling Aperture “AI wizards.”

• CPA dropped more than 75% for a client after moving creative production onto the Luma API and board
• Client scaled ad spend 9x on the back of consistently higher-performing creative
• Clients who once doubted AI-generated creative could look real now ask for more of it; several call the results “indistinguishable from reality”