HAIL.SO / DISPATCH · 2026-07-12 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

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02

Speech to text

4 models
Speechmatics
Speechmatics Enhanced
×
Speechmatics
Speechmatics Melia 1
×
Rev.ai
Rev.ai Reverb
×
Cartesia
Ink Whisper
×
$/min$0.002150$0.002150$0.003300$0.003000
$/min batch$0.001500
Streaming
Realtime
Languages56+68+en99+
Diarizationincludedincludedincludedunsupported
TTFW
Verified2026-07-022026-07-022026-07-022026-07-02
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗
03

Text to speech

2 models
Smallest.ai
Lightning v3.1
×
Cartesia
Sonic 2
×
$/1M chars$17.50$50.00
Voice qualityneuralneural
Voice cloning✓ included✓ included
Voice count217
Languagesen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, oren, fr, de, es, pt, zh, ja, ko
SSML support
TTFB200ms90ms
Output formatspcm, mp3, wav, ulaw, alaw
Verified2026-07-022026-07-02
Sourceprovider page ↗provider page ↗