HAIL.SO / DISPATCH · 2026-07-02 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

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02

Speech to text

3 models
AssemblyAI
Universal-2
×
Rev.ai
Rev.ai Reverb
×
Deepgram
Flux (Multilingual)
×
$/min$0.002500$0.003300$0.007800
$/min batch
Streaming
Realtime
Languages99+enen, es, fr, de, hi, ru, pt, ja, it, nl
Diarizationextra-costincluded
TTFW
Verified2026-07-022026-07-022026-07-02
Sourceprovider page ↗provider page ↗provider page ↗
03

Text to speech

3 models
LMNT
LMNT Blizzard
×
Smallest.ai
Lightning v3.1
×
Cartesia
Sonic 2
×
$/1M chars$50.00$17.50$50.00
Voice qualityneuralneuralneural
Voice cloning✓ included✓ included✓ included
Voice count217
Languages31+en, hi, es, mr, kn, ta, bn, gu, te, ml, pa, oren, fr, de, es, pt, zh, ja, ko
SSML support
TTFB200ms90ms
Output formatspcm, mp3, wav, ulaw, alaw
Verified2026-07-022026-07-022026-07-02
Sourceprovider page ↗provider page ↗provider page ↗