Blog

AI voice agent cost breaks into STT, LLM, TTS, telephony, and platform fees. Learn the 2026 per-minute price, what drives it, and how to budget and cut it.

How to monitor AI voice agents in production: the metrics to track, alerts to set, and how to detect drift across STT, LLM, and TTS before callers do.

The voice AI deployment gap is why agents that ace demos break in production. Learn what causes the pilot-to-production drop and how to close it.

Voice agent prompt comparison runs two prompts on the same calls to find the winner. Learn side-by-side testing, catching regressions, and the tooling.

A/B testing voice agents compares two versions on the same calls to find the winner. Learn to test prompts, models, and voices with real metrics.

Voice agent testing vs monitoring vs evaluation vs observability: what each term means, when to use it, and how they fit into one loop.

OpenTelemetry for voice agents traces every turn across STT, LLM, and TTS. Learn the GenAI conventions, the spans to emit, and how to instrument it.

Improve WER for your voice agent with custom vocabulary, cleaner audio, model choice, and tuning. A practical guide to reducing word error rate per cohort.

TTS evaluation measures text-to-speech naturalness, intelligibility, latency, and pronunciation. Learn the metrics, MOS, and how to test a voice.