This Startup Built AI That 80% of Callers Think Is Human
In this episode of Founder Firesides, YC General Partner Nicolas Dessaigne talks to Will Bodewes, founder and CEO of Phonely (S24), which just raised a $16M Series A led by Bessemer. Phonely is an AI-powered voice platform that answers phone calls for businesses — handling millions of calls a month across hundreds of verticals using custom LLMs that statistically optimize outcomes over time. They discuss how watching his dad struggle to answer phones sparked the idea, going from small business customers to enterprise call centers, and why by the end of this year most callers won't know they're…
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Chapters (25)
Intro & Series A announcement
0:18
What Phonely does (Voice AI platform)
0:43
Scale: Millions of calls per month
0:56
Customers: Call centers, insurance, home services
1:29
Voice AI boom & differentiation
1:55
Founder background & early PhD work
2:44
Optimization advantage (data-driven improvements)
3:12
Founder journey: athlete → AI PhD → startup
4:41
Origin story: dad’s business problem
5:06
Early product → iteration loop
5:49
Pivot to call centers (enterprise focus)
6:08
Building custom models vs using OpenAI
7:05
Architecture: modular models for latency & cost
7:54
Is latency still a bottleneck?
8:23
How good is AI on phone calls today?
9:01
Should AI disclose itself? (ethics + regulation)
10:10
Real-world use cases (revenue-driven inbound calls)
10:47
Inbound vs outbound strategy
11:13
Series A story
12:28
What’s next for Voice AI
12:59
Competition vs generic models
13:23
Future vision (50M+ calls/month)
13:49
Hiring (sales + engineering)
14:21
Founder lesson: reality vs perception
15:26
Advice for founders (who should start companies)
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