HAIL.SO / DISPATCH · 2026-07-22 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

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02

Speech to text

3 models
Rev.ai
Rev.ai Reverb
×
Speechmatics
Speechmatics Enhanced
×
Cartesia
Ink Whisper
×
$/min$0.003300$0.002150$0.003000
$/min batch$0.001500
Streaming
Realtime
Languagesen56+99+
Diarizationincludedincludedunsupported
TTFW
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
03

Text to speech

3 models
OpenAI
TTS-1
×
LMNT
LMNT Blizzard
×
Smallest.ai
Lightning v3.1 Pro
×
$/1M chars$15.00$50.00$19.50
Voice qualityneuralneuralneural
Voice cloning✓ included
Voice count
Languagesen31+en, 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, pl
SSML support
TTFB200ms
Output formatspcm, mp3, wav, ulaw, alaw
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗