HAIL.SO / DISPATCH · 2026-07-23 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

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02

Speech to text

4 models
OpenAI
Whisper
×
Speechmatics
Speechmatics Enhanced
×
Rev.ai
Rev.ai Reverb
×
Gladia
Gladia Solaria-1
×
$/min$0.006000$0.002150$0.003300$0.012500
$/min batch$0.010170
Streaming
Realtime
Languages99+56+en100+
Diarizationunsupportedincludedincludedincluded
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
×
Google
Google Cloud TTS — WaveNet
×
$/1M chars$17.50$4.00
Voice qualityneuralneural
Voice cloning✓ included
Voice count217
Languagesen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, or40+
SSML support
TTFB200ms
Output formatspcm, mp3, wav, ulaw, alaw
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗