HAIL.SO / DISPATCH · 2026-07-22 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

← all costsclear
02

Speech to text

3 models
Rev.ai
Rev.ai Reverb
×
Speechmatics
Speechmatics Enhanced
×
AssemblyAI
Whisper-Streaming
×
$/min$0.003300$0.002150$0.005000
$/min batch
Streaming
Realtime
Languagesen56+99+
Diarizationincludedincludedextra-cost
TTFW
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
03

Text to speech

3 models
OpenAI
TTS-1
×
Inworld
Inworld Realtime TTS 1.5 Max
×
LMNT
LMNT Blizzard
×
$/1M chars$15.00$35.00$50.00
Voice qualityneuralneuralneural
Voice cloning✓ included✓ included
Voice count
Languagesenen, zh, ja, ko, ru, it, es, pt, fr, de, pl, nl, hi, he, ar31+
SSML support
TTFB
Output formats
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗