HAIL.SO / DISPATCH · 2026-07-23 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

← all costsclear
02

Speech to text

4 models
Rev.ai
Rev.ai Reverb
×
Speechmatics
Speechmatics Enhanced
×
Cartesia
Ink 2
×
Speechmatics
Speechmatics Melia 1
×
$/min$0.003300$0.002150$0.009000$0.002150
$/min batch
Streaming
Realtime
Languagesen56+en68+
Diarizationincludedincludedincluded
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 ↗