HAIL.SO / DISPATCH · 2026-07-22 · 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
×
Cartesia
Ink Whisper
×
AssemblyAI
Universal-2
×
$/min$0.003300$0.003000$0.002500
$/min batch$0.001500
Streaming
Realtime
Languagesen99+99+
Diarizationincludedunsupportedextra-cost
TTFW
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
03

Text to speech

3 models
Cartesia
Sonic Turbo
×
OpenAI
TTS-1
×
Smallest.ai
Lightning v3.1
×
$/1M chars$50.00$15.00$17.50
Voice qualityneuralneuralneural
Voice cloning✓ included✓ included
Voice count217
Languagesen, fr, de, es, pt, zh, ja, hi, koenen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, or
SSML support
TTFB40ms200ms
Output formatspcm, mp3, wav, ulaw, alaw
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗