HAIL.SO / DISPATCH · 2026-07-27 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

← all costsclear
02

Speech to text

3 models
Rev.ai
Rev.ai Reverb
×
AssemblyAI
Universal-2
×
Cartesia
Ink 2
×
$/min$0.003300$0.002500$0.009000
$/min batch
Streaming
Realtime
Languagesen99+en
Diarizationincludedextra-cost
TTFW
Verified2026-07-192026-07-272026-07-27
Sourceprovider page ↗provider page ↗provider page ↗
03

Text to speech

3 models
Cartesia
Sonic 2
×
Cartesia
Sonic Turbo
×
Smallest.ai
Lightning v3.1
×
$/1M chars$50.00$50.00$17.50
Voice qualityneuralneuralneural
Voice cloning✓ included✓ included✓ included
Voice count217
Languagesen, fr, de, es, pt, zh, ja, koen, fr, de, es, pt, zh, ja, hi, koen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, or
SSML support
TTFB90ms40ms200ms
Output formatspcm, mp3, wav, ulaw, alaw
Verified2026-07-272026-07-272026-07-19
Sourceprovider page ↗provider page ↗provider page ↗