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

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02

Speech to text

2 models
Soniox
Soniox STT Async v4
×
Speechmatics
Speechmatics Enhanced
×
$/min$0.001670$0.002150
$/min batch
Streaming
Realtime
Languages60+56+
Diarizationincludedincluded
TTFW
Verified2026-07-022026-07-02
Sourceprovider page ↗provider page ↗
03

Text to speech

4 models
Deepgram
Deepgram Aura 2
×
Rime
Rime Mist v3
×
Smallest.ai
Lightning v3.1
×
OpenAI
TTS-1
×
$/1M chars$30.00$30.00$17.50$15.00
Voice qualityneuralneuralneuralneural
Voice cloning✓ included
Voice count94217
Languagesen, es, de, fr, nl, it, jaenen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, oren
SSML support
TTFB37ms200ms
Output formatswav, mp3, linear16, mulaw, alaw, opuspcm, mp3, wav, ulaw, alaw
Verified2026-07-022026-07-022026-07-022026-07-02
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗