ProductWhat Happens When an AI Assistant Answers Your Calls?
We're learning that for some professionals and small-business owners, the real problem with incoming calls isn't answering them. It's deciding which ones deserve their attention.
Blog
What we're building at Betula — and what we've learned along the way.
Product
EngineeringHow to Choose a Voice AI Agent Platform: A Guide for Builders
What we learned choosing a voice AI platform while building Betula — from managed platforms like Vapi and Retell to frameworks and real-time infrastructure like LiveKit and Pipecat.
EngineeringA first look at Tavus PAL Maker
Tavus gave me early access to PAL Maker, their no-code platform for building perception agents — agents that can see, listen, and act. I built a patient intake agent in under 30 minutes.
EngineeringTen things we've learned building voice agents
Ten architectural decisions from two years of building production voice agents at Betula — covering platform choice, model selection, harness design, agent behavior, memory, and the user-facing interaction experience.
ProductNotes from the June 2026 release
Most of the work this month went into making the agent more useful inside calls and meetings — better note-taking, clearer action items, and a more honest dashboard.
GuidesA guided tour of Betula
A full walkthrough of how Betula works — from setting up your assistant to having it sit in on your meetings — plus what's new since the video was filmed.
CompanyBuilding Betula: two years in
Two years in, here's what's worked, what we got wrong, and what's still unsolved — from bootstrapping to a costly platform migration to the user-acquisition problem we haven't cracked yet.