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

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02

Speech to text

4 models
Speechmatics
Speechmatics Enhanced
×
OpenAI
Whisper
×
Rev.ai
Rev.ai Reverb
×
Gladia
Gladia Solaria-1
×
$/min$0.002150$0.006000$0.003300$0.012500
$/min batch$0.010170
Streaming
Realtime
Languages56+99+en100+
Diarizationincludedunsupportedincludedincluded
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
×
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
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗