AI voice agents
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September 30, 2026

The voice agent launch runbook: ramp, rollback, and on-call

By 
Kelsey Foster
, 
Growth
Insights & Use Cases
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September 29, 2026

Universal-3.6 Pro Realtime is live

By 
Madison Bernstein
, 
Product Marketing
Releases & Updates
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September 29, 2026

Universal-3.6 Pro Realtime: trained on real conversations, built for real voice agents

By 
Ilya Sklyar
, 
Research
Releases & Updates
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September 23, 2026

Why your voice agent mishears "8" as "H"

By 
Kelsey Foster
, 
Growth
Insights & Use Cases
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September 30, 2026

Voice AI observability: What to instrument once the agent is live

By 
Kelsey Foster
, 
Growth
Insights & Use Cases
Abstract green half-sphere illustration
September 30, 2026

How to load test a voice agent before you launch

By 
Kelsey Foster
, 
Growth
Insights & Use Cases
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September 30, 2026

What it takes to build smarter voice agents: lessons from Retell and Super

By 
Kelsey Foster
, 
Growth
Insights & Use Cases
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September 30, 2026

Best voice agent API in 2026: how to choose your STT foundation

By 
Kelsey Foster
, 
Growth
Insights & Use Cases
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