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

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02

Speech to text

3 models
Rev.ai
Rev.ai Reverb
×
Speechmatics
Speechmatics Enhanced
×
Deepgram
Nova-3 Monolingual
×
$/min$0.003300$0.002150$0.004800
$/min batch$0.007700
Streaming
Realtime
Languagesen56+en
Diarizationincludedincludedextra-cost
TTFW
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
03

Text to speech

3 models
Resemble AI
Resemble Chatterbox Turbo
×
Cartesia
Sonic 3.5
×
Deepgram
Deepgram Aura 2
×
$/1M chars$50.00$30.00
Voice qualityneuralneuralneural
Voice cloning✓ included✓ included
Voice count
Languagesen42+en, es, de, fr, nl, it, ja
SSML support
TTFB90ms
Output formatsraw/pcm_f32le, raw/pcm_s16le, raw/pcm_mulaw, raw/pcm_alaw, wav, mp3wav, mp3, linear16, mulaw, alaw, opus
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗