Test creative with
AI-powered personas

Simulate customer reactions in seconds—before you spend, ship, or scale. No surveys. No guesswork. Just clear signal from your ICP.

Join the Beta — 50% Off + Free First Month

Try Delfi for $0. Just add a credit card. Cancel anytime.

Hero

Talking to customers is the highest-ROI
marketing move—yet 90% of teams skip it

Why?

It's awkward. It's time-consuming. And most teams are moving too fast.
So we launch based on gut feel.

  • xWe A/B test too late.
  • xWe argue in Slack instead of using real insights
  • xWe waste time and miss opportunities
logodelfi

Delfi changes that—with instant persona feedback built for modern workflows.

Fix it!

Don't just guess, verify with your virtual target audience!

#marketing-team

“I think this headline is too aggressive...”

“But our competitor uses similar language”

“Should we just ship it and see?”

3 hours of debate, 0 customer insights

Built for teams who move fast, and prefer
data to debate

Delfi gives you high-signal feedback without the friction. No panels. No waiting. Just clear answers from AI-powered personas trained to think like your customer.

personas

Simulated Personas

Test your message with behaviorally modeled customers—no awkward calls or slow surveys.

Ava Nakamura
Persona #1 /Ava Nakamura
9.2/10
Mateo Rios
Persona #2 /Mateo Rios
9.0/10
Lena Carter
Persona #3 /Lena Carter
9.5/10

Instant Scorecards

Get structured, honest feedback on clarity, tone, emotional pull, and message-market fit.

Message Clarity92%
Emotional Pull87%
Engagement rate97%

Ready to stop guessing and start knowing?

Join hundreds of teams already using Delfi to validate their messaging before launch.

Join the Beta — 50% Off + Free First Month

Try Delfi for $0. Just add a credit card. Cancel anytime.