HAIL.SO / DISPATCH · 2026-06-10 · COMPARE
FILE: COMPARE · 6 of 6 slots

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02

Speech to text

5 models
AssemblyAI
Universal-2
×
Speechmatics
Speechmatics Enhanced
×
Rev.ai
Rev.ai Reverb
×
Microsoft Azure
Azure Speech (Batch)
×
AssemblyAI
Universal-Streaming
×
$/min$0.002500$0.004000$0.003300$0.006000$0.002500
$/min batch
Streaming
Realtime
Languages99+55+en100+en
Diarizationextra-costincludedincludedincludedextra-cost
TTFW
Verified2026-05-05stale 36d2026-05-192026-05-192026-05-192026-05-05stale 36d
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗provider page ↗
03

Text to speech

1 model
Deepgram
Deepgram Aura 2
×
$/1M chars$30.00
Voice qualityneural
Voice cloning
Voice count
Languagesen, es, de, fr, nl, it, ja
SSML support
TTFB
Output formatswav, mp3, linear16, mulaw, alaw, opus
Verified2026-05-19
Sourceprovider page ↗