Robust scenario and regression testing for voice agents

Ship voice experiences with confidence.

Run 1000s of scripted voice scenarios against your agent and monitor task completion, latency, turn‑taking, language handling, and safety — plus comprehensive report.

Try Voice Gym Live

Experience voice agent testing in real-time. Run a restaurant booking scenario and see detailed evaluation results with live metrics.

Live Conversation
Real-time transcript with latency metrics
Click "Run Demo" to start the conversation

This is a fully functional demo using real WebRTC connections and AI evaluation.

Everything You Need to Build and Test Voice Agents

From AI-generated scenarios to production deployment, AgentGym provides the complete toolkit for building and testing reliable conversational AI experiences.

AI-Powered Scenario & Agent Builder

Create comprehensive test scenarios and voice agents in minutes, not hours. Our AI generates realistic pass cases, failure scenarios, and edge cases from simple natural language descriptions.

AI-Powered Scenario & Agent Builder preview
Comprehensive Testing & Acceptance Criteria preview

Comprehensive Testing & Acceptance Criteria

Automatically validate your voice agent against hundreds of scenarios with detailed pass/fail criteria. Measure first-audio latency, barge-in handling, language continuity, and safety compliance.

Coming Soon

Test Your Own Voice Agent

Integrate your existing voice agent via WebRTC or WebSocket URLs and run our full testing suite against it.

Test Your Own Voice Agent preview
Production-Ready Voice Agent Builder preview
Coming Soon

Production-Ready Voice Agent Builder

Describe your requirements in a prompt and get a fully tested, production-ready voice agent accessible via phone number. We create 100s of scenarios and improve your agent till it passes all acceptance criteria

Purpose‑built for voice agent reliability

Scenario Builder

Create scripted flows with delays, barge‑in tests, and acceptance criteria.

Realtime Voice Harness

ElevenLabs test voice + WebRTC to your agent. Live logs and transcript.

Metrics that matter

First‑audio p95, barge‑in stop time, over‑talk, dead‑air, total latency.

Outcome verification

Gray‑box via webhook token or black‑box via read‑back confirmation.

Scorecards & Reports

Overall score (0–100), metric badges, transcript, share link or PNG export.

Language & Safety

EN→HI continuity checks, disclaimer presence, and naïve PII echo guards.

Testimonials

P

Priya S.

PM, Conversational AI

X

AgentGym gave us a single score to rally behind. Our p95 first‑audio latency dropped 28% in a week.

M

Marco D.

Lead Engineer

X

Barge‑in handling used to be a blind spot. Now it’s part of every regression run.

H

Hannah L.

Head of CX

X

The read‑back token check made outcome verification painless for our demo judges.

A

Arjun K.

Founder

X

Language switch continuity caught regressions we kept missing. Huge confidence boost before launch.

M

Maya R.

QA Lead

X

Scorecards with transcript made cross‑team reviews effortless. We share a link, not a doc.

T

Tom W.

VP Engineering

X

Set up in an hour. The WebRTC harness and latency chips are exactly what we needed.

P

Priya S.

PM, Conversational AI

X

AgentGym gave us a single score to rally behind. Our p95 first‑audio latency dropped 28% in a week.

M

Marco D.

Lead Engineer

X

Barge‑in handling used to be a blind spot. Now it’s part of every regression run.

H

Hannah L.

Head of CX

X

The read‑back token check made outcome verification painless for our demo judges.

A

Arjun K.

Founder

X

Language switch continuity caught regressions we kept missing. Huge confidence boost before launch.

M

Maya R.

QA Lead

X

Scorecards with transcript made cross‑team reviews effortless. We share a link, not a doc.

T

Tom W.

VP Engineering

X

Set up in an hour. The WebRTC harness and latency chips are exactly what we needed.

P

Priya S.

PM, Conversational AI

X

AgentGym gave us a single score to rally behind. Our p95 first‑audio latency dropped 28% in a week.

M

Marco D.

Lead Engineer

X

Barge‑in handling used to be a blind spot. Now it’s part of every regression run.

H

Hannah L.

Head of CX

X

The read‑back token check made outcome verification painless for our demo judges.

A

Arjun K.

Founder

X

Language switch continuity caught regressions we kept missing. Huge confidence boost before launch.

M

Maya R.

QA Lead

X

Scorecards with transcript made cross‑team reviews effortless. We share a link, not a doc.

T

Tom W.

VP Engineering

X

Set up in an hour. The WebRTC harness and latency chips are exactly what we needed.

P

Priya S.

PM, Conversational AI

X

AgentGym gave us a single score to rally behind. Our p95 first‑audio latency dropped 28% in a week.

M

Marco D.

Lead Engineer

X

Barge‑in handling used to be a blind spot. Now it’s part of every regression run.

H

Hannah L.

Head of CX

X

The read‑back token check made outcome verification painless for our demo judges.

A

Arjun K.

Founder

X

Language switch continuity caught regressions we kept missing. Huge confidence boost before launch.

M

Maya R.

QA Lead

X

Scorecards with transcript made cross‑team reviews effortless. We share a link, not a doc.

T

Tom W.

VP Engineering

X

Set up in an hour. The WebRTC harness and latency chips are exactly what we needed.

Pricing

Demo

$0/month

Run sample scenarios and export scorecards during MVP.

  • Built‑in scenarios (Restaurant, Clinic)
  • OpenAI Realtime (WebRTC) target
  • Latency chips & transcript
  • Scorecard export

Frequently Asked Questions

Everything you need to know about testing voice agents with Voice Gym.

Ready to test your agent?

Run a scripted scenario and get a shareable scorecard in minutes.