# Deborah Belevan

Type: Person

Source: Startup Intelligence Brief — https://getstartupbrief.com/entity/deborah-belevan
Canonical HTML page: https://getstartupbrief.com/entity/deborah-belevan

## Recent coverage (1 stories)

### Duolingo Slashes AI Call Costs to $0.01, Nears 70% Gross Margin
2026-08-13 02:27:43 · Sentiment: Positive · Impact: 7/10 · Sources: 2

Duolingo's Q2 2026 shows how open-source AI can collapse unit costs while user retention hits a record high. The company raised its full-year EBITDA margin target to 26.5% and grew DAU 23% year over year, offering a profitability playbook for consumer subscription startups.
Full story: https://getstartupbrief.com/story/duolingo-ai-cost-retention-startup-lessons

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