Official API price calculator

Audio APIs

Text-to-speech, speech-to-text, realtime voice agents, translation, dubbing, and sound workflows. Use this for TTS, STT, realtime voice agents, dubbing, and translation.

Workload assumptions

Set expected usage; each row estimates monthly cost from official unit prices.

%
Official price table

8 official USD rows - checked 2026-06-14 - sorted by official source order.

Daily source checks
ModelProviderPublished priceRegionSourceNotes

OpenAI

Official API

$0.034 per minute

Realtime speech translation

$35.02

GlobalOpenAI API pricing

Checked 2026-06-14

OpenAI also lists gpt-realtime-whisper at $0.017/minute.

ElevenLabs

Official API

$0.05 per 1K characters

Ultra-low latency text to speech

$51.50

ElevenAPIElevenAPI pricing

Checked 2026-06-14

Multilingual v2/v3 is listed at $0.10 per 1K characters.

ElevenLabs

Official API

$0.22 per hour

Speech to text, bulk transcription

$22.66

ElevenAPIElevenAPI pricing

Checked 2026-06-14

Realtime Scribe v2 is listed at $0.39 per hour.

xAI

Official API

$0.05 per minute

Realtime voice API

$51.50

xAI APIxAI API pricing

Checked 2026-06-14

xAI also lists TTS at $15 per 1M characters and STT at $0.10/hour REST.

Mistral

Official API

$0.016 per 1K characters

Text-to-speech generation and voice cloning

$16.48

Mistral APIMistral pricing

Checked 2026-06-14

Available on /v1/audio/speech.

MiniMax

Official API

$60 per 1M characters

Text to audio

$61.80

MiniMax APIMiniMax pay-as-you-go pricing

Checked 2026-06-14

HD speech model is listed at $100 per 1M characters.

Alibaba Cloud

Official API

$0.10 per 10K input characters

Output is not billed

$10.30

International deploymentAlibaba Cloud Model Studio pricing

Checked 2026-06-14

TTS voice cloning and realtime variants have separate character prices.

Z.AI

Official API

$0.03 / MTok, approximately $0.0024 per minute

Speech recognition

$2.47

Z.AI APIZ.AI pricing

Checked 2026-06-14

The per-minute figure is the provider's equivalent value.