HAIL.SO / DISPATCH · 2026-07-24 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

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02

Speech to text

3 models
Rev.ai
Rev.ai Whisper Fusion
×
Rev.ai
Rev.ai Reverb
×
Google
Chirp 2
×
$/min$0.005000$0.003300$0.016000
$/min batch
Streaming
Realtime
Languagesenen20+
Diarizationincludedincludedincluded
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
×
Cartesia
Sonic Turbo
×
Deepgram
Deepgram Aura 2
×
$/1M chars$17.50$50.00$30.00
Voice qualityneuralneuralneural
Voice cloning✓ included✓ included
Voice count217
Languagesen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, oren, fr, de, es, pt, zh, ja, hi, koen, es, de, fr, nl, it, ja
SSML support
TTFB200ms40ms
Output formatspcm, mp3, wav, ulaw, alawwav, mp3, linear16, mulaw, alaw, opus
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗