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

side by side.

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02

Speech to text

4 models
Rev.ai
Rev.ai Whisper Fusion
×
Speechmatics
Speechmatics Enhanced
×
OpenAI
GPT-4o Transcribe
×
Rev.ai
Rev.ai Reverb
×
$/min$0.005000$0.002150$0.006000$0.003300
$/min batch
Streaming
Realtime
Languagesen56+99+en
Diarizationincludedincludedunsupportedincluded
TTFW
Verified2026-07-192026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗
03

Text to speech

2 models
Rime
Rime Mist v3
×
Smallest.ai
Lightning v3.1 Pro
×
$/1M chars$30.00$19.50
Voice qualityneuralneural
Voice cloning
Voice count94
Languagesenen, hi, mr, ta, ml, te, kn, pa, bn, or, gu, ar, zh, id, ja, ko, ms, tr, vi, de, es, fr, it, pt, ru, el, fi, no, pl
SSML support
TTFB37ms200ms
Output formatspcm, mp3, wav, ulaw, alaw
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗