voiceapicost.com

AssemblyAI vs Azure

At typical volumes AssemblyAI costs less for 2 of 3 uses and Azure for 1. The gap changes with volume, so check your own numbers below.

AssemblyAIAzure
$3.50
Speech to text1,000 minutes/mo
$16.67
Not offered
Text to speech1,000,000 characters/mo
$15.00
$75.00
Voice agent1,000 minutes/mo
Not offered

What each one offers

FeatureAssemblyAIAzure
Speaker labelsExtra costExtra cost
Languages99Not published
Self-hostingNoYes
EU data residencyYesYes
Realtime voiceYesNo

Try your own numbers

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

Every month I transcribe of audio.

AssemblyAI is the cheapest, at $3.50 a month. Azure would cost 4.8 times as much.

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

  1. 1AssemblyAIUniversal-3.5 Pro (pre-recorded), $0.21/hr$3.50 per monthLowest priceVisit AssemblyAI
  2. 2AzureStandard real-time transcription, $1/hr$16.67 per month+$13.17, 376.2% moreVisit Azure
  • Prices updated 2026-10-23.
  • Priced in the "Above 0" tier; every unit is billed at that tier's rate.
  • Free-tier credits are not subtracted.
  • How we calculate this

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, AssemblyAI or Azure?
AssemblyAI is cheaper, at $3.50 a month against $16.67 for Azure (prices updated 2026-10-23).
Which is cheaper for text-to-speech at 1,000,000 characters, AssemblyAI or Azure?
Only Azure offers it, at $15.00 a month (prices updated 2026-10-23).
Which is cheaper for voice agent at 1,000 minutes, AssemblyAI or Azure?
Only AssemblyAI offers it, at $75.00 a month (prices updated 2026-10-23).

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