voiceapicost.com

Google Cloud vs OpenAI

At typical volumes Google Cloud costs less for 0 of 3 uses and OpenAI for 3. The gap changes with volume, so check your own numbers below.

Google CloudOpenAI
$16.00
Speech to text1,000 minutes/mo
$4.50
$16.00
Text to speech1,000,000 characters/mo
$15.00
Not offered
Voice agent1,000 minutes/mo
$96.00

What each one offers

FeatureGoogle CloudOpenAI
Speaker labelsYesExtra cost
Languages125Not published
Self-hostingNoNo
EU data residencyYesYes
Realtime voiceNoYes

Try your own numbers

Same calculator as the home page, limited to these two providers.

Every month I transcribe of audio.

OpenAI is the cheapest, at $4.50 a month. Google Cloud would cost 3.6 times as much.

Estimated monthly bill for 1,000 minutes, lowest first. 2 of 2 providers fit.

  1. 1OpenAIGPT Transcribe, $0.0045/min$4.50 per monthLowest priceVisit OpenAI
  2. 2Google CloudSpeech-to-Text V2 Standard (incl. Chirp), $0.016/min$16.00 per month+$11.50, 255.6% moreVisit Google Cloud

Some “Visit” links are affiliate links: the provider may pay us if you sign up. That never changes the order, which is set by price alone.

Frequently asked questions

Which is cheaper for speech-to-text at 1,000 minutes, Google Cloud or OpenAI?
OpenAI is cheaper, at $4.50 a month against $16.00 for Google Cloud (prices updated 2026-10-30).
Which is cheaper for text-to-speech at 1,000,000 characters, Google Cloud or OpenAI?
OpenAI is cheaper, at $15.00 a month against $16.00 for Google Cloud (prices updated 2026-10-30).
Which is cheaper for voice agent at 1,000 minutes, Google Cloud or OpenAI?
Only OpenAI offers it, at $96.00 a month (prices updated 2026-10-30).

Some “Sign up” links are affiliate links and may earn a commission. Rankings are computed from price only and never take affiliate status into account.

Pricing in detail

Other comparisons