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

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02

Speech to text

5 models
Speechmatics
Speechmatics Enhanced
×
Cartesia
Ink Whisper
×
OpenAI
Whisper
×
Speechmatics
Speechmatics Melia 1
×
Rev.ai
Rev.ai Reverb
×
$/min$0.002150$0.003000$0.006000$0.002150$0.003300
$/min batch$0.001500
Streaming
Realtime
Languages56+99+99+68+en
Diarizationincludedunsupportedunsupportedincludedincluded
TTFW
Verified2026-07-192026-07-192026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗provider page ↗
03

Text to speech

1 model
Smallest.ai
Lightning v3.1 Pro
×
$/1M chars$19.50
Voice qualityneural
Voice cloning
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, pl
SSML support
TTFB200ms
Output formatspcm, mp3, wav, ulaw, alaw
Verified2026-07-19
Sourceprovider page ↗