HAIL.SO / DISPATCH · 2026-06-08 · COMPARE
FILE: COMPARE · 6 of 6 slots

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02

Speech to text

3 models
Microsoft Azure
Azure Speech (Batch)
×
Speechmatics
Speechmatics Enhanced
×
AssemblyAI
Universal-Streaming
×
$/min$0.006000$0.004000$0.002500
$/min batch
Streaming
Realtime
Languages100+55+en
Diarizationincludedincludedextra-cost
TTFW
Verified2026-05-192026-05-192026-05-05stale 34d
Sourceprovider page ↗provider page ↗provider page ↗
03

Text to speech

3 models
Deepgram
Deepgram Aura 2
×
Cartesia
Sonic 2
×
LMNT
LMNT Blizzard
×
$/1M chars$30.00$50.00$50.00
Voice qualityneuralneuralneural
Voice cloning✓ included✓ included
Voice count
Languagesen, es, de, fr, nl, it, ja15+31+
SSML support
TTFB90ms
Output formatswav, mp3, linear16, mulaw, alaw, opus
Verified2026-05-192026-05-192026-05-19
Sourceprovider page ↗provider page ↗provider page ↗