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

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02

Speech to text

3 models
Speechmatics
Speechmatics Enhanced
×
OpenAI
Whisper
×
Rev.ai
Rev.ai Reverb
×
$/min$0.002150$0.006000$0.003300
$/min batch
Streaming
Realtime
Languages56+99+en
Diarizationincludedunsupportedincluded
TTFW
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
03

Text to speech

3 models
Deepgram
Deepgram Aura 2
×
Resemble AI
Resemble Chatterbox Turbo
×
Smallest.ai
Lightning v3.1 Pro
×
$/1M chars$30.00$19.50
Voice qualityneuralneuralneural
Voice cloning✓ included
Voice count
Languagesen, es, de, fr, nl, it, jaenen, 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 formatswav, mp3, linear16, mulaw, alaw, opuspcm, mp3, wav, ulaw, alaw
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗