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Insights on voice AI evaluation

Should You Build a Graph-Based or Prompt-Based Voice Agent?
Voice AI Testing
9 min read

Should You Build a Graph-Based or Prompt-Based Voice Agent?

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

May 23, 2026Read more
Why Production Voice Agents Are Becoming Graphs, Not Prompts
Voice AI Testing
14 min read

Why Production Voice Agents Are Becoming Graphs, Not Prompts

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

May 22, 2026Read more
The ROI of AI Voice Agent Testing Isn't What You Think It Is
Voice AI Evaluation
12 min read

The ROI of AI Voice Agent Testing Isn't What You Think It Is

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.

May 22, 2026Read more
You don't read AI-generated code. Why are you listening to every call?
Evaluation Methods
14 min read

You don't read AI-generated code. Why are you listening to every call?

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

May 2026Read more
AI Agent Testing vs Voice Agent Testing: What General Tools Miss for Voice
Voice AI Testing
13 min read

AI Agent Testing vs Voice Agent Testing: What General Tools Miss for Voice

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

May 2026Read more
What is a voice agent? The complete guide
Voice AI Evaluation
16 min read

What is a voice agent? The complete guide

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.

May 2026Read more
Voice agent stack: the complete guide
Voice AI Evaluation
16 min read

Voice agent stack: the complete guide

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

May 2026Read more
Pipecat voice agent testing guide: what to check before going live
Testing Strategies
15 min read

Pipecat voice agent testing guide: what to check before going live

Test your Pipecat voice agent before going live. VAD, frame errors, transport, Flows state machine, and pipeline regression after every processor change.

May 2026Read more
Deepgram STT testing guide for voice agents: what the benchmarks don't tell you
Testing Strategies
15 min read

Deepgram STT testing guide for voice agents: what the benchmarks don't tell you

Nova-3 benchmarks look clean. Production audio never is. Test your Deepgram STT for noise, accents, latency, and error compounding before going live.

May 2026Read more