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

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02

Speech to text

2 models
Speechmatics
Speechmatics Enhanced
×
AssemblyAI
Universal-Streaming
×
$/min$0.002150$0.002500
$/min batch
Streaming
Realtime
Languages56+en
Diarizationincludedextra-cost
TTFW
Verified2026-07-022026-07-02
Sourceprovider page ↗provider page ↗
03

Text to speech

4 models
Smallest.ai
Lightning v3.1
×
Rime
Rime Mist v3
×
OpenAI
TTS-1
×
Cartesia
Sonic Turbo
×
$/1M chars$17.50$30.00$15.00$50.00
Voice qualityneuralneuralneuralneural
Voice cloning✓ included✓ included
Voice count21794
Languagesen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, orenenen, fr, de, es, pt, zh, ja, hi, ko
SSML support
TTFB200ms37ms40ms
Output formatspcm, mp3, wav, ulaw, alaw
Verified2026-07-022026-07-022026-07-022026-07-02
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗