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

side by side.

← all costsclear
02

Speech to text

3 models
AssemblyAI
Universal-2
×
Rev.ai
Rev.ai Reverb
×
AssemblyAI
Whisper-Streaming
×
$/min$0.002500$0.003300$0.005000
$/min batch
Streaming
Realtime
Languages99+en99+
Diarizationextra-costincludedextra-cost
TTFW
Verified2026-07-022026-07-022026-07-02
Sourceprovider page ↗provider page ↗provider page ↗
03

Text to speech

3 models
Cartesia
Sonic 2
×
Deepgram
Deepgram Aura 2
×
Cartesia
Sonic Turbo
×
$/1M chars$50.00$30.00$50.00
Voice qualityneuralneuralneural
Voice cloning✓ included✓ included
Voice count
Languagesen, fr, de, es, pt, zh, ja, koen, es, de, fr, nl, it, jaen, fr, de, es, pt, zh, ja, hi, ko
SSML support
TTFB90ms40ms
Output formatswav, mp3, linear16, mulaw, alaw, opus
Verified2026-07-022026-07-022026-07-02
Sourceprovider page ↗provider page ↗provider page ↗