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
×
Cartesia
Ink 2
×
Cartesia
Ink Whisper
×
$/min$0.005000$0.002150$0.009000$0.003000
$/min batch$0.001500
Streaming
Realtime
Languagesen56+en99+
Diarizationincludedincludedunsupported
TTFW
Verified2026-07-192026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗
03

Text to speech

2 models
Smallest.ai
Lightning v3.1
×
OpenAI
TTS-1
×
$/1M chars$17.50$15.00
Voice qualityneuralneural
Voice cloning✓ included
Voice count217
Languagesen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, oren
SSML support
TTFB200ms
Output formatspcm, mp3, wav, ulaw, alaw
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗