PERSONA

Authoritative Expert AI Voice

A senior-expert persona that projects deep trust. Built for B2B scenarios.

seniorMaleVoices 3From $0.015/1k

Audition 4 matched voices for this persona

Audition samples as operating tone, not sound alone

Review response start, model cost, and persona copy together to check whether the call can reassure the customer and create the next action.

VOICE QA QUEUE

Listen to each candidate and narrow tone, pace, and handoff style for the scenario.

  • Onyx

    OpenAI

    Deep, weighty veteran male.

  • Arcas

    Deepgram

    Deep, authoritative male.

  • Zeus

    Deepgram

    Powerful senior male voice.

REFERENCE COST

Our Outbound Sales AI Voice Voice synthesis cost reference

This estimates only speech synthesis model cost from call volume and talk time. Implementation, integration, and QA operations are scoped separately.

Operating inputs

Adjust call volume and agent speech share to estimate model cost only.

Assumptions
  • Korean speech estimate: 250 chars/min
  • AI talk ratio: 50%
  • FX: 1 USD = ₩1,370
  • Model pricing uses each voice's cost_per_1k_chars value.
agent minutes/call = average call length × AI talk ratio chars/call = agent minutes × 250 annual chars = chars/call × annual calls annual USD = annual chars ÷ 1000 × $/1k annual KRW = USD × 1370

Lowest annual TTS cost at this volume

₩770,625

≈ $563 /yr

Lowest model

Alloy

OpenAI

Compare voice

Annual TTS cost
AlloyOpenAI$0.015/1k
$563 · ₩770,625
AndromedaDeepgram$0.030/1k
$1,125 · ₩1,541,250
Cartesia Voice ACartesia$0.065/1k
$2,438 · ₩3,339,375
AntoniElevenLabs$0.180/1k
$6,750 · ₩9,247,500
Lowest modelAlternative voices

37,500,000 chars

Annual characters

150,000 min

Annual agent speech

Synthesize voice

Try with your own text

characters0/200
50/dayCartesia

OpenAI voice samples are demo audio generated via OpenAI TTS API.