HAIL.SO / DISPATCH · 2026-07-06 · COMPARE
FILE: COMPARE · 6 of 6 slots

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02

Speech to text

3 models
AssemblyAI
Universal-2
×
Microsoft Azure
Azure Speech (Batch)
×
Speechmatics
Speechmatics Enhanced
×
$/min$0.002500$0.006000$0.002150
$/min batch
Streaming
Realtime
Languages99+100+56+
Diarizationextra-costincludedincluded
TTFW
Verified2026-07-022026-05-19stale 48d2026-07-02
Sourceprovider page ↗provider page ↗provider page ↗
03

Text to speech

3 models
Smallest.ai
Lightning v3.1
×
Cartesia
Sonic 2
×
Rime
Rime Mist v3
×
$/1M chars$17.50$50.00$30.00
Voice qualityneuralneuralneural
Voice cloning✓ included✓ included
Voice count21794
Languagesen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, oren, fr, de, es, pt, zh, ja, koen
SSML support
TTFB200ms90ms37ms
Output formatspcm, mp3, wav, ulaw, alaw
Verified2026-07-022026-07-022026-07-02
Sourceprovider page ↗provider page ↗provider page ↗