HAIL.SO / DISPATCH · 2026-07-25 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

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02

Speech to text

3 models
Rev.ai
Rev.ai Reverb
×
AssemblyAI
Whisper-Streaming
×
Rev.ai
Rev.ai Whisper Fusion
×
$/min$0.003300$0.005000$0.005000
$/min batch
Streaming
Realtime
Languagesen99+en
Diarizationincludedextra-costincluded
TTFW
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
03

Text to speech

3 models
Smallest.ai
Lightning v3.1
×
Deepgram
Deepgram Aura 2
×
Resemble AI
Resemble Chatterbox Turbo
×
$/1M chars$17.50$30.00
Voice qualityneuralneuralneural
Voice cloning✓ included✓ included
Voice count217
Languagesen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, oren, es, de, fr, nl, it, jaen
SSML support
TTFB200ms
Output formatspcm, mp3, wav, ulaw, alawwav, mp3, linear16, mulaw, alaw, opus
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗