HAIL.SO / DISPATCH · 2026-07-22 · COMPARE
FILE: COMPARE · 6 of 6 slots

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01

Large language models

3 models
xAI
Grok 4.5
×
xAI
Grok 4.3
×
OpenAI
GPT-5.5
×
Output $/MTok$6.00$2.50$30.00
Input $/MTok$2.00$1.25$5.00
Cached input $/MTok$0.3000$0.2000$0.5000
Context window500,0001,000,0001,050,000
Output cap500,0001,000,000128,000
Modalitiesin: text, image / out: textin: text, image / out: textin: text, image / out: text
Tool use
Structured output
FamilyGrok 4Grok 4GPT-5.5
Knowledge cutoff2026-02-012025-12-01
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
02

Speech to text

2 models
Speechmatics
Speechmatics Enhanced
×
Speechmatics
Speechmatics Melia 1
×
$/min$0.002150$0.002150
$/min batch
Streaming
Realtime
Languages56+68+
Diarizationincludedincluded
TTFW
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗
03

Text to speech

1 model
Rime
Rime Mist v3
×
$/1M chars$30.00
Voice qualityneural
Voice cloning
Voice count94
Languagesen
SSML support
TTFB37ms
Output formats
Verified2026-07-19
Sourceprovider page ↗