HAIL.SO / DISPATCH · 2026-07-12 · COMPARE
FILE: COMPARE · 6 of 6 slots

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02

Speech to text

3 models
Soniox
Soniox STT Real-time v4
×
Speechmatics
Speechmatics Enhanced
×
AssemblyAI
Universal-2
×
$/min$0.002000$0.002150$0.002500
$/min batch
Streaming
Realtime
Languages60+56+99+
Diarizationincludedincludedextra-cost
TTFW
Verified2026-07-022026-07-022026-07-02
Sourceprovider page ↗provider page ↗provider page ↗
03

Text to speech

3 models
Deepgram
Deepgram Aura 2
×
Smallest.ai
Lightning v3.1
×
Rime
Rime Mist v3
×
$/1M chars$30.00$17.50$30.00
Voice qualityneuralneuralneural
Voice cloning✓ included
Voice count21794
Languagesen, es, de, fr, nl, it, jaen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, oren
SSML support
TTFB200ms37ms
Output formatswav, mp3, linear16, mulaw, alaw, opuspcm, mp3, wav, ulaw, alaw
Verified2026-07-022026-07-022026-07-02
Sourceprovider page ↗provider page ↗provider page ↗