HAIL.SO / DISPATCH · 2026-07-12 · COMPARE
FILE: COMPARE · 6 of 6 slots

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02

Speech to text

3 models
Speechmatics
Speechmatics Enhanced
×
Speechmatics
Speechmatics Melia 1
×
Rev.ai
Rev.ai Reverb
×
$/min$0.002150$0.002150$0.003300
$/min batch
Streaming
Realtime
Languages56+68+en
Diarizationincludedincludedincluded
TTFW
Verified2026-07-022026-07-022026-07-02
Sourceprovider page ↗provider page ↗provider page ↗
03

Text to speech

3 models
Smallest.ai
Lightning v3.1
×
Cartesia
Sonic 2
×
Deepgram
Deepgram Aura 2
×
$/1M chars$17.50$50.00$30.00
Voice qualityneuralneuralneural
Voice cloning✓ included✓ included
Voice count217
Languagesen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, oren, fr, de, es, pt, zh, ja, koen, es, de, fr, nl, it, ja
SSML support
TTFB200ms90ms
Output formatspcm, mp3, wav, ulaw, alawwav, mp3, linear16, mulaw, alaw, opus
Verified2026-07-022026-07-022026-07-02
Sourceprovider page ↗provider page ↗provider page ↗