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

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02

Speech to text

2 models
Speechmatics
Speechmatics Enhanced
×
Rev.ai
Rev.ai Reverb
×
$/min$0.002150$0.003300
$/min batch
Streaming
Realtime
Languages56+en
Diarizationincludedincluded
TTFW
Verified2026-07-022026-07-02
Sourceprovider page ↗provider page ↗
03

Text to speech

4 models
ElevenLabs
Eleven Flash v2
×
Smallest.ai
Lightning v3.1
×
Deepgram
Deepgram Aura 2
×
Cartesia
Sonic Turbo
×
$/1M chars$50.00$17.50$30.00$50.00
Voice qualityneuralneuralneuralneural
Voice cloning✓ included✓ included✓ included
Voice count217
LanguagesEnglishen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, oren, es, de, fr, nl, it, jaen, fr, de, es, pt, zh, ja, hi, ko
SSML support
TTFB75ms200ms40ms
Output formatspcm, mp3, wav, ulaw, alawwav, mp3, linear16, mulaw, alaw, opus
Verified2026-07-022026-07-022026-07-022026-07-02
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗