PERSONA

Friendly Rookie Agent AI Voice

A warm, approachable persona with the fresh first impression of a 20s–30s agent. Easy, friendly, and unintimidating.

Young toneFemaleVoices 4From $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.

  • Nova

    OpenAI

    Energetic, lively female voice.

  • Rachel

    ElevenLabs

    Calm and clear young adult female. Narration.

  • Domi

    ElevenLabs

    Strong, confident female. Narration.

  • Coral

    OpenAI

    Bright, friendly female voice. Casual support.

REFERENCE COST

Our E-commerce Support 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

Ash

OpenAI

Compare voice

Annual TTS cost
AshOpenAI$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
BellaElevenLabs$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.