Active evaluation

375 completed

Rime production voice model evaluation

Human caller batch measuring voice quality, latency perception, turn-taking, recovery, and trust in production-style agent conversations.

Call assignment progress

In progress

375 / 500

Human calls completed

75%

1,682 minutes evaluated

Agent detail

Provided service

Enterprise text-to-speech voice models

Voice model

Rime Coda

Deployment

Cloud API / private VPC / on-prem

Test phone number

(555) 013-0042

System prompt

You are a production voice model evaluation agent for enterprise phone workflows.

Your job is to complete realistic customer conversations while preserving a natural voice experience.

Rules:
- Sound clear, stable, and human-like across short and long turns.
- Avoid rushed delivery, clipped words, and unnatural emphasis.
- Keep turn-taking smooth when the caller interrupts or changes direction.
- Recover gracefully from confusion without sounding robotic.
- Transfer when the caller asks for clinical, legal, financial, or unsupported advice.
- Prioritize trust, clarity, and naturalness over verbose answers.

Aggregate criteria scores

Pronunciation

4.6 / 5

Voice clarity, word formation, prosody, and whether callers understand speech.

Latency

3.7 / 5

Human-perceived response delay, awkward pauses, and interruption timing.

Sentiment

4.3 / 5

Tone, trust, warmth, and whether the agent stays appropriate under stress.

Prompt following

3.8 / 5

Whether the agent follows workflow rules, collects details, and avoids claims.

Did transfer

82%

Whether the agent escalates or transfers when the scenario requires handoff.

Top 5 human comments

CALL-0375

Nina V.

Pass

4.5 / 5

“Voice stayed clear and natural during a detailed scheduling explanation.”

CALL-0374

Marcus H.

Needs review

3.4 / 5

“Barge-in worked, but the next response had a noticeable pause.”

CALL-0373

Leah M.

Pass

4.2 / 5

“Tone felt calm and trustworthy when caller expressed anxiety.”

CALL-0372

Samir J.

Needs review

3.1 / 5

“Pronunciation stayed clear, but recovery after missed intent felt scripted.”

CALL-0371

Emily C.

Pass

4.0 / 5

“Agent transferred appropriately after unsupported medical advice request.”

Completed calls

375 completed calls

Call	Evaluator	Duration	Status	Result	Score	Key note
CALL-0375	Nina V.	04:09	Complete	Pass	4.5 / 5	Voice stayed clear and natural during a detailed scheduling explanation.
CALL-0374	Marcus H.	03:58	Complete	Needs review	3.4 / 5	Barge-in worked, but the next response had a noticeable pause.
CALL-0373	Leah M.	05:44	Complete	Pass	4.2 / 5	Tone felt calm and trustworthy when caller expressed anxiety.
CALL-0372	Samir J.	04:37	Review	Needs review	3.1 / 5	Pronunciation stayed clear, but recovery after missed intent felt scripted.
CALL-0371	Emily C.	03:31	Complete	Pass	4.0 / 5	Agent transferred appropriately after unsupported medical advice request.
CALL-0370	Owen B.	04:56	Complete	Needs review	3.3 / 5	Caller had to repeat one preference after rapid turn-taking.
CALL-0369	Nina V.	04:09	Complete	Pass	4.5 / 5	Voice stayed clear and natural during a detailed scheduling explanation.
CALL-0368	Marcus H.	03:58	Complete	Needs review	3.4 / 5	Barge-in worked, but the next response had a noticeable pause.
CALL-0367	Leah M.	05:44	Complete	Pass	4.2 / 5	Tone felt calm and trustworthy when caller expressed anxiety.
CALL-0366	Samir J.	04:37	Review	Needs review	3.1 / 5	Pronunciation stayed clear, but recovery after missed intent felt scripted.
CALL-0365	Emily C.	03:31	Complete	Pass	4.0 / 5	Agent transferred appropriately after unsupported medical advice request.
CALL-0364	Owen B.	04:56	Complete	Needs review	3.3 / 5	Caller had to repeat one preference after rapid turn-taking.
CALL-0363	Nina V.	04:09	Complete	Pass	4.5 / 5	Voice stayed clear and natural during a detailed scheduling explanation.
CALL-0362	Marcus H.	03:58	Complete	Needs review	3.4 / 5	Barge-in worked, but the next response had a noticeable pause.
CALL-0361	Leah M.	05:44	Complete	Pass	4.2 / 5	Tone felt calm and trustworthy when caller expressed anxiety.
CALL-0360	Samir J.	04:37	Review	Needs review	3.1 / 5	Pronunciation stayed clear, but recovery after missed intent felt scripted.
CALL-0359	Emily C.	03:31	Complete	Pass	4.0 / 5	Agent transferred appropriately after unsupported medical advice request.
CALL-0358	Owen B.	04:56	Complete	Needs review	3.3 / 5	Caller had to repeat one preference after rapid turn-taking.
CALL-0357	Nina V.	04:09	Complete	Pass	4.5 / 5	Voice stayed clear and natural during a detailed scheduling explanation.
CALL-0356	Marcus H.	03:58	Complete	Needs review	3.4 / 5	Barge-in worked, but the next response had a noticeable pause.
CALL-0355	Leah M.	05:44	Complete	Pass	4.2 / 5	Tone felt calm and trustworthy when caller expressed anxiety.
CALL-0354	Samir J.	04:37	Review	Needs review	3.1 / 5	Pronunciation stayed clear, but recovery after missed intent felt scripted.
CALL-0353	Emily C.	03:31	Complete	Pass	4.0 / 5	Agent transferred appropriately after unsupported medical advice request.
CALL-0352	Owen B.	04:56	Complete	Needs review	3.3 / 5	Caller had to repeat one preference after rapid turn-taking.
CALL-0351	Nina V.	04:09	Complete	Pass	4.5 / 5	Voice stayed clear and natural during a detailed scheduling explanation.