Subscribe
← All providers
Speech-to-text

Soniox vs AssemblyAI

Soniox has the lower normalized list price (1.3× cheaper). 29 of 33 European languages are documented by both; 1 only by Soniox, 2 only by AssemblyAI.

Soniox
$0.0020 /min

0.12 USD/hr real-time (0.10/hr async) · source · checked 2026-10-16

30/33 languages · language list

Try Soniox →
AssemblyAI
$0.0025 /min

0.15 USD/hr (Universal-2; Universal-3.5 Pro 0.21/hr) · source · checked 2026-10-16

31/33 languages · language table (pre-recorded)

Try AssemblyAI →
Only Soniox · 1

sq

Only AssemblyAI · 2

mtis

List prices, normalized to USD/min; see each provider page for assumptions. Language support from official docs. * = affiliate link; never affects comparisons.

Weekly · free

Get voice AI price changes in your inbox.

One short email a week. Subscribers get the full price and language dataset (CSV, 25 providers × 33 languages) in the welcome email.

Read past issues →