HAIL.SO / DISPATCH · 2026-07-27 · COMPARE
FILE: COMPARE · 6 of 6 slots

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02

Speech to text

2 models
Rev.ai
Rev.ai Reverb
×
Speechmatics
Speechmatics Enhanced
×
$/min$0.003300$0.002150
$/min batch
Streaming
Realtime
Languagesen56+
Diarizationincludedincluded
TTFW
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗
03

Text to speech

4 models
OpenAI
TTS-1
×
ElevenLabs
Eleven Flash v2
×
Cartesia
Sonic 2
×
Smallest.ai
Lightning v3.1
×
$/1M chars$15.00$50.00$50.00$17.50
Voice qualityneuralneuralneuralneural
Voice cloning✓ included✓ included✓ included
Voice count217
LanguagesenEnglishen, fr, de, es, pt, zh, ja, koen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, or
SSML support
TTFB75ms90ms200ms
Output formatspcm, mp3, wav, ulaw, alaw
Verified2026-07-192026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗