Blog

Jev Score, Noul and Choice explained: every voice agent metric as a real Jev question, with the JSON you send, the response, and Python to roll it up.

Verifiable rewards vs LLM judges vs Jev: one voice call scored three ways in code, with agreement, variance, and cost compared, and how to layer all three.

Jev use cases for voice agents: 25 runtime and QA examples, and how to use Jev: send one state with several typed questions and read calibrated answers.

Jev is a System One model, not an LLM. How a Jev agent works in voice AI: the no-LLM-in-the-loop stack, real API calls, the economics, and how to audit it.

Validate a voice agent before deployment with an 8-gate go/no-go checklist: accuracy, latency, task completion, failure handling, load, and compliance.

Evaluate voice variations with A/B tests in Deepgram: pin Aura-2 or Flux TTS per session, randomize by caller, size the sample, and avoid peeking errors.

The best way to load test Deepgram's Voice Agent API: Erlang B sizing, Poisson arrivals, real-time 20 ms audio, p99 turn latency, and an asyncio harness.

GPT-Live API architecture explained: how gpt-live-1 splits voice from backend reasoning, plus WebRTC and SIP session code, delegation, and pricing.

Grok Voice Agent Builder (xAI) pricing, October 2026: $0.08 per minute plus $0.01 telephony. Cost math, models, voices, cloning and phone setup.