ByteCosts
Tools
Calculator

Speech & Voice AI Cost Calculator

Combine speech-to-text, LLM turns, and text-to-speech into one monthly cost for call centers and voice agents.

Voice agent workload
1,200
4
7
900
240
16
650
Monthly voice AI cost
$4,582
36K calls / month at $0.127 per call
Speech to text
$864
4 min / call
LLM turns
$442
GPT-5.4 mini
Text to speech
$3,276
Kokoro TTS
Line itemMonthly
Speech to text$864
LLM$442
Text to speech$3,276
STT is an editable per-minute assumption. LLM pricing comes from ByteCosts; TTS pricing comes from the media pricing catalog when available.

Plan AI and cloud spend before it lands.

Open the pricing index, then use the calculators to model your real workload.

For Engineering

Model costs by token, understand the economics of feature complexity.

For Finance

Budget forecasting and vendor negotiation with live pricing updates.

For Product

Compare models, simulate scenarios, monitor pricing changes in real time.

Browse tools
ByteCosts

Cost intelligence for AI, cloud, and SaaS. Public pricing, normalized into an index and calculators that engineering and finance can use in the same room.

Catalog: 137 providers · 4,993 models · updated Jun 1, 2026

Prices via models.dev and custom scrapers · model quality benchmarks via Artificial Analysis

Disclaimer: All information provided is for reference purposes only. Actual costs may vary based on usage patterns and provider terms. Always monitor your own token consumption and billing dashboard to track real expenses.

© 2026 ByteCosts. All rights reserved.
Built on public pricing data and browser-side calculators. Figures are directional.