Blog

Testing graph-based voice agents requires three tiers — node, subgraph, end-to-end voice. Most teams stop at tier one. Here's what production-grade looks like.

Graph-based vs prompt-based voice agents: a decision framework. Five questions, a clear matrix, and three hybrid patterns most teams actually ship.

Graph-based voice agents externalise control flow that prompt-based agents trust the LLM to handle. Why this is the architecture winning production deployments.

Cost-per-test is the wrong way to measure voice agent testing ROI. Six capabilities that change how teams ship voice AI — and what they're worth.

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.

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.