Synthetic Callers
Okareo's synthetic users — Drivers — speak to your voice agent the way real customers do. Define a persona and a goal, and Okareo generates a live audio conversation against your agent — over the phone, WebRTC, or your SDK. No scripts. No lab recordings. No "happy path" only.
Live Audio Drivers
Multi-Persona Coverage
Maintains Character
Goal Oriented
Simulate Real Callers. Not Just Transcripts.
Real-World Audio Conditions
Quiet studio audio is the easy case. Okareo lets you test the hard ones — the ones that ship to production whether you tested for them or not.
30+ Languages and Dialects
The Conditions Voice Agents Actually Fail In
Audio-Native Evaluation
Most voice testing tools transcribe first and grade the text. Okareo also evaluates the audio itself — so you catch the things a transcript silently drops: latency, prosody, mispronunciation, talk-over, dead air. Combine LLM judges, symbolic checks, and audio checks in one Scorecard.
LLM Judges
Evaluate the Audio, Not Just the Transcript
Unified Trace and Transcript
Voice agents fail across a stack: ASR mishears, the LLM picks the wrong tool, TTS reads back garbled, and the orchestrator hands off late. Okareo is the only platform that puts the simulation conversation and the observability trace side-by-side, on the same timeline. Engineers see the spans. Conversation Designers see the dialogue. Both are looking at the same call.
Synchronized Timeline
Trace and Transcript. One View.
Production Voice Monitoring
Okareo runs synthetic callers against your production voice agent on a schedule — and reports back like a QA team that never sleeps. Pair that with full voice observability on real calls, and you have continuous proof your agent is still working tonight as well as it did at launch.
Synthetic Production Monitoring
Catch Voice Issues Before Customers Tell You About Them
