Free credits
Free
$50 in audio credits · 5 new streaming connections per minute · 5 concurrent pre-recorded transcriptions
Checked 20 Sep 2026
Plans and prices
AssemblyAI pricing
Pay as you go — Universal-2
$0.15 a month
99 languages · 200+ concurrent pre-recorded transcriptions
Checked 20 Sep 2026
Pay as you go — Universal-3.5 Pro
$0.21 a month
18 languages · 200+ concurrent pre-recorded transcriptions
Checked 20 Sep 2026
Pay as you go — Universal-Streaming
$0.15 a month
5 new streams per minute on free accounts · 100+ starting sessions per minute on paid accounts
Checked 20 Sep 2026
Pay as you go — Universal-3.5 Pro Realtime
$0.45 a month
18 languages · 100+ starting sessions per minute on paid accounts
Checked 20 Sep 2026
Free tier
Free
Up to 185 hours pre-recorded transcription · up to 333 hours streaming transcription · 5 new streaming connections per minute
Checked 1 Oct 2026
Universal-Streaming
$0.15 a month
English-only realtime transcription
Checked 1 Oct 2026
Universal-2
$0.15 a month
99 languages · lower-price speech-to-text model
Checked 1 Oct 2026
Universal-Streaming Multilingual
$0.15 a month
English, Spanish, German, French, Portuguese, and Italian
Checked 1 Oct 2026
Universal-3.5 Pro
$0.21 a month
18 languages · custom rate limits available
Checked 1 Oct 2026
Universal-3.6 Pro Realtime
$0.45 a month
32 languages · context carryover and conversation memory
Checked 1 Oct 2026
Voice Agent API
$4.50 a month
Managed orchestration and hosting · no per-layer add-ons or concurrency fees
Checked 1 Oct 2026
Custom
Priced on request
Custom rate limits · enhanced concurrency · enterprise flexibility
Checked 1 Oct 2026