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

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01

Large language models

1 model
OpenAI
GPT-4o
×
Output $/MTok$10.00
Input $/MTok$2.50
Cached input $/MTok$1.2500
Context window128,000
Output cap16,384
Modalitiesin: text, image / out: text
Tool use
Structured output
FamilyGPT-4o
Knowledge cutoff2023-10-01
Verified2026-07-02
Sourceprovider page ↗
02

Speech to text

4 models
Rev.ai
Rev.ai Reverb
×
Speechmatics
Speechmatics Enhanced
×
Google
Chirp 2
×
AssemblyAI
Universal-2
×
$/min$0.003300$0.002150$0.016000$0.002500
$/min batch
Streaming
Realtime
Languagesen56+20+99+
Diarizationincludedincludedincludedextra-cost
TTFW
Verified2026-07-022026-07-022026-07-022026-07-02
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗
03

Text to speech

1 model
Microsoft Azure
Azure AI Speech — Neural HD (DragonHD)
×
$/1M chars$22.00
Voice qualityneural
Voice cloning
Voice count30
Languagesen-US, zh-CN, de-DE, es-ES, fr-FR, ja-JP
SSML support
TTFB
Output formats
Verified2026-07-02
Sourceprovider page ↗