§ Field notes

Field notes on Voice AI.

Practical writing on testing, monitoring and improving voice agents — from the team building the platform.

Voice AI TestingJuly 10, 2026

Voice agents now ship in two minutes. Testing is the new bar for launch.

No-code builders from xAI, Retell, and OpenAI cut voice-agent build time to minutes. Here is the pre-launch testing bar that separates demos from production.

Read the piece· 8 min read

Voice AI TestingJuly 9, 2026 · 10 min read

Testing full-duplex voice agents: what changes when your model listens and speaks at once

GPT-Live made full-duplex the default. Here's what breaks in your voice-agent eval stack, and what audio-native testing has to look like now.

Compliance & QAJuly 8, 2026 · 9 min read

AI disclosure is a testable requirement. Here's how to prove your voice agent gets it right.

State-by-state AI voice disclosure laws are stacking up fast. Here's how QA and product teams turn disclosure into a testable, provable requirement on every call.

Platform ComparisonJuly 8, 2026 · 8 min read

Roark vs Hamming: which voice AI testing platform fits your team?

An honest comparison of Roark and Hamming for voice agent testing — where each concentrates on simulation, audio-native evaluation, replay, integrations, and compliance.

Platform ComparisonJuly 8, 2026 · 8 min read

Roark vs Cekura: which voice AI testing platform fits your team?

An honest comparison of Roark and Cekura (formerly Vocera) for voice agent testing — simulation depth, audio-native metrics, production replay, integrations, and compliance.

Platform ComparisonJuly 8, 2026 · 7 min read

Roark vs BlueJay: correcting the record

A widely shared "BlueJay vs Roark" pricing breakdown gets Roark wrong — the pricing, the tiers, the metrics, and the compliance. Here is each claim and what is actually true.

Voice AI TestingJuly 7, 2026 · 10 min read

Testing voice agent pronunciation of medication names

How to build a regression test harness for medication name pronunciation on a voice agent: golden sets, LASA adversarial pairs, dictionaries, and scoring on real audio.

Evaluation StrategyJuly 7, 2026 · 10 min read

The voice agent launch-readiness checklist

A PM's launch-readiness checklist for voice AI agents: five risk domains, the tests that catch each one, and what "careful adoption" actually means.

Voice AI TestingJuly 6, 2026 · 7 min read

How to test voice agent barge-in and interruption handling

Barge-in is where voice agents feel human or robotic. Here is how to test interruption handling systematically instead of hoping it works in production.

Voice AI TestingJuly 5, 2026 · 11 min read

How to test Vapi voice agents

Why Vapi agents break in production, what Test Suites, Evals, and Simulations actually cover, and how to test the full audio path with real phone calls.

Voice AI TestingJuly 5, 2026 · 11 min read

How to test Retell AI voice agents

Where Retell agents fail, what Retell's native Playground, simulation, and batch-test API cover, and how to run phone-level voice simulations and regression tests.

Platform ComparisonJuly 5, 2026 · 11 min read

Roark vs Coval: which voice AI testing platform fits your team?

An honest, source-linked comparison of Roark and Coval for voice AI testing — how each platform simulates and evaluates voice agents, and where Roark goes deeper on real-call simulation and audio-native scoring.

Voice AI TestingJanuary 7, 2025 · 12 min read

Mastering AI test agents in Voice AI testing

How AI test agents change Voice AI testing — autonomous simulation, scalable coverage, and audio-native quality metrics.

Platform ComparisonMay 8, 2025 · 3 min read

The top 5 Voice AI agent platforms in 2025

A strategic comparison of Leaping AI, Bland AI, Retell AI, Parloa and Vapi — and how to pick the right one.