HAIL.SO / DISPATCH · 2026-07-26 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

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02

Speech to text

4 models
Microsoft Azure
Azure Speech (Fast)
×
Rev.ai
Rev.ai Reverb
×
Cartesia
Ink Whisper
×
Speechmatics
Speechmatics Enhanced
×
$/min$0.006000$0.003300$0.003000$0.002150
$/min batch$0.001500
Streaming
Realtime
Languages100+en99+56+
Diarizationincludedincludedunsupportedincluded
TTFW
Verified2026-07-192026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗
03

Text to speech

2 models
Smallest.ai
Lightning v3.1 Pro
×
LMNT
LMNT Blizzard
×
$/1M chars$19.50$50.00
Voice qualityneuralneural
Voice cloning✓ included
Voice count
Languagesen, hi, mr, ta, ml, te, kn, pa, bn, or, gu, ar, zh, id, ja, ko, ms, tr, vi, de, es, fr, it, pt, ru, el, fi, no, pl31+
SSML support
TTFB200ms
Output formatspcm, mp3, wav, ulaw, alaw
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗