Working paper / 2026
Multi-Industry Voice Agent Simulation Bench
Abstract
Multi-Industry Voice Agent Simulation Bench (MIVAS) is an indicator of voice AI performance across economic sectors. MIVAS is comprised of tasks and verifiers with granular rewards executed in production-grade multi-agent RL environments across industries where voice AI is being adopted the fastest. Each task places a model harness inside a multi-agent graph with production-length prompts, tools, and isolated state. Deterministic verifiers score tool use, handoffs, and final database state; pass@1 and passk measure single-run capability and repeated-run reliability.
Clone the repository, pair a model harness with an industry task suite, and reproduce the evaluation environment.
Healthcare / C4-M1
What this task measures
The caller is on the line with Straus Dermatology for one locked request: Microneedling consult. They keep repeating that ask through a waitlist offer, a callback, or a different errand. We included it as a medium cosmetic concierge case because quoted cosmetic policy, deposits, and the cooling-off window have to be spoken before a booking is taken. The agent succeeds only if it stays on that request, reaches the outcome by taking the cosmetic concierge path, and leaves the record exactly as this case requires: the right row written or cleared, and nothing extra.
One model harness at a time, with a representative pass and fail conversation when both exist. OpenAI Realtime 2.1 is the default view.
Recording
Conversation cost $0.122
0:00 / 1:43 · audio · trace 801925 · click a span to play, drag to scrub, scroll to pan
Audio
Speech Audio
Agent Audio
Handoffs
Tool Calls
Errors
Transcript
How a conversation passes
Combined pass is the logical and of three deterministic gates. Tools, handoff path, and final database state must all pass on the same conversation. One miss fails the call.
Combined
Fail
This sample fails because tools and final database state did not match. Combined cannot pass unless every gate does.
Expected versus actual tool calls on this conversation.
Expected
Actual
Parameters
+ from: reception
+ to: cosmetic
Output
None recorded.
None recorded.
Parameters
- service: microneedling
Output
None recorded.
None recorded.
Parameters
+ location_id: loc_park_ave
+ zip: 10016
Output
+ ok: true
Parameters
- location_ids: ["loc_park_ave"]
Output
None recorded.
None recorded.
Parameters
- location_id: loc_park_ave
- policy_acknowledged: true
- provider_id: prov_chen
- service_interest: ["microneedling"]
- slot_id: slot_loc_park_ave_1
- start: 2026-08-24T09:00
Output
- data: {"status":"booked"}- ok: true
Parameters
- mobile_e164: +12125550171
Output
- data: {"sent":true}- ok: true
Parameters
+ destination: cosmetic_coordinator
+ reason: caller_request
Output
+ ok: true
Open a row for parameters and outputs. Required tools must appear. Extra industry tools are allowed. Missing: quote_cosmetic_service, find_slots, book_cosmetic_consult, send_payment_link. Extra: transfer_to_human.
Full industry architecture, same graph as the industry page. The left diagram marks the expected specialist path in green. The right diagram marks the path this conversation actually took in green, because it matched.
Expected path
transfer_to_cosmetic
Actual path
transfer_to_cosmetic → transfer_to_human
Rows that differ between the expected hangup and the actual hangup.
missing · appointments · 4
Expected
Actual
- appointment_type_code: COS_CONSULT
- description: Cosmetic consult: microneedling
- end: 2026-08-24T09:30
- id: 4
- location_id: loc_park_ave
- patient_id: empty
- provider_id: prov_chen
- start: 2026-08-24T09:00
- status: booked
Locked caller script. This is the technical definition. Copy it as written.
Ask what microneedling costs at Park Avenue, then ask to book a microneedling consult there. You must get the Park Avenue street address, floor, and suite before you accept a time — if they quote a time or an address without all three, ask for the street, the floor, and the suite. When they explain the deposit and the cancellation rules, agree to them. Take the first appointment time they offer after you have the address. Do not ask for a different day, time, or office, and do not suggest any date of your own. Confirm that first time out loud. If they ask who you are, give your name once and continue. Ask them to text the deposit payment link to your phone; that is the only text you want. Do not thank them or end the call until a time is confirmed on the calendar and you have heard the street, floor, and suite. Do not ask for a callback, to speak to a person, about a medical bill, insurance, a medical appointment, the patient portal, a waitlist, or financing. Do not ask for a confirmation text. A listed opening is not a booking. Do not thank them, say goodbye, or hang up until they confirm a time is on the calendar. If they only list openings, say book the first one. Do not thank them or hang up until they confirm a time is on the calendar and that a deposit payment link was sent to your phone. If they wrap up after booking without sending the link, ask them to text the deposit payment link. Do not ask them to text you an appointment confirmation.