HAIL.SO / DISPATCH · 2026-07-26 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

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02

Speech to text

3 models
Speechmatics
Speechmatics Melia 1
×
Rev.ai
Rev.ai Reverb
×
AssemblyAI
Universal-Streaming
×
$/min$0.002150$0.003300$0.002500
$/min batch
Streaming
Realtime
Languages68+enen
Diarizationincludedincludedextra-cost
TTFW
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
03

Text to speech

3 models
Cartesia
Sonic Turbo
×
Deepgram
Deepgram Aura 2
×
Cartesia
Sonic 2
×
$/1M chars$50.00$30.00$50.00
Voice qualityneuralneuralneural
Voice cloning✓ included✓ included
Voice count
Languagesen, fr, de, es, pt, zh, ja, hi, koen, es, de, fr, nl, it, jaen, fr, de, es, pt, zh, ja, ko
SSML support
TTFB40ms90ms
Output formatswav, mp3, linear16, mulaw, alaw, opus
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗