HAIL.SO / DISPATCH · 2026-07-24 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

← all costsclear
02

Speech to text

2 models
Rev.ai
Rev.ai Reverb
×
Microsoft Azure
Azure Speech (Real-time)
×
$/min$0.003300$0.016667
$/min batch
Streaming
Realtime
Languagesen100+
Diarizationincludedextra-cost
TTFW
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗
03

Text to speech

4 models
OpenAI
TTS-1
×
Rime
Rime Mist v3
×
Deepgram
Deepgram Aura 2
×
Smallest.ai
Lightning v3.1
×
$/1M chars$15.00$30.00$30.00$17.50
Voice qualityneuralneuralneuralneural
Voice cloning✓ included
Voice count94217
Languagesenenen, es, de, fr, nl, it, jaen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, or
SSML support
TTFB37ms200ms
Output formatswav, mp3, linear16, mulaw, alaw, opuspcm, mp3, wav, ulaw, alaw
Verified2026-07-192026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗