Blog

Nobody reads AI-generated code anymore. Tests became mandatory. Voice agents are next — eval-driven development is how reliable voice AI gets shipped.

AI agent testing measures text outputs. Voice agent testing measures behaviour through an acoustic pipeline. Five failure categories general tools miss.

What is a voice agent? How it works, how it differs from IVR and chatbots, use cases by industry, and what production-ready deployment actually requires.

The complete voice agent stack: STT, LLM, TTS, orchestration, and telephony. Latency budget, cost per layer, build vs buy, and what to test before production.

Before your Pipecat agent goes live, check VAD, frame drops, transport, the Flows state machine, and pipeline regression. A pre-launch testing checklist.

A practical guide to load-testing and monitoring Deepgram STT in voice agents: latency, WER under noise and accents, and error compounding before you go live.

LiveKit Agents testing guide: turn detection failures, SIP integration gaps, worker scaling, and prompt regression — what to check before going live.

Test your Vapi voice agent before going live. Covers BYOK costs, Squads handoff gaps, webhook failures, and prompt regression before real users find them.

Test your ElevenLabs voice agent before launch: scenario gaps, real user behaviour, tool calls, concurrency limits, and voice-quality regression.