June 2026 · STT/TTS API pricing

STT & TTS API Cost Calculator

Compare Whisper, Deepgram, ElevenLabs, OpenAI TTS, and Google pricing. Enter minutes or characters → see exact monthly cost. Free, no signup.

Advertisement

🎙️ STT / TTS API Cost Calculator

Select provider · Enter volume · Results update live

Estimated monthly cost
$0
per month
Rate
Annual estimate

STT/TTS API Pricing 2026

ProviderTypePriceQuality10K min / 1M chars
Deepgram Nova-2CHEAPEST STTSTT$0.0043/minExcellent$43
OpenAI WhisperSTT$0.006/minExcellent$60
Google STTSTT$0.024/minGood$240
OpenAI TTSCHEAPEST TTSTTS$0.015/1K charsGood$15
Google TTSTTS$0.016/1K charsGood$16
ElevenLabsTTS$0.330/1K charsBest$330
Advertisement
💡 Self-host Whisper

OpenAI Whisper is open source. Self-hosting on a $6/mo Hetzner CX22 handles ~5K minutes/month at near-zero cost. For over 50K min/month, self-hosting saves $300+/mo.

Try the best TTS API:

Frequently Asked Questions

How much does OpenAI Whisper API cost?+

$0.006 per minute of audio transcribed. For 10,000 minutes/month: $60. Self-hosting Whisper (open source) on your own server costs near $0 at the same volume.

Is ElevenLabs worth the premium price?+

ElevenLabs at $0.330/1K chars is 20× more expensive than OpenAI TTS ($0.015). The quality and naturalness is significantly better — worth it for customer-facing voice, audiobooks, or brand voice. For internal tools, OpenAI TTS is sufficient.

What is the cheapest TTS API in 2026?+

OpenAI TTS at $0.015 per 1,000 characters. Google TTS is similar at $0.016. For large volumes, Azure Neural TTS or Amazon Polly can be cheaper. Self-hosting Coqui TTS or Bark eliminates API costs entirely.

How many characters per minute of speech?+

Approximately 800–1,000 characters per minute of spoken text (at normal speaking pace). A 10-minute podcast script ≈ 9,000 characters ≈ $0.135 with OpenAI TTS.

Advertisement

Related Calculators