HAIL.SO / DISPATCH · 2026-07-24 · COMPARE
FILE: COMPARE · 6 of 6 slots

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02

Speech to text

4 models
Rev.ai
Rev.ai Reverb
×
Speechmatics
Speechmatics Enhanced
×
Cartesia
Ink 2
×
Cartesia
Ink Whisper
×
$/min$0.003300$0.002150$0.009000$0.003000
$/min batch$0.001500
Streaming
Realtime
Languagesen56+en99+
Diarizationincludedincludedunsupported
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
×
Smallest.ai
Lightning v3.1 Pro
×
$/1M chars$17.50$19.50
Voice qualityneuralneural
Voice cloning✓ included
Voice count217
Languagesen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, oren, 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
TTFB200ms200ms
Output formatspcm, mp3, wav, ulaw, alawpcm, mp3, wav, ulaw, alaw
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗