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

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01

Large language models

5 models
OpenAI
GPT-5.4
×
xAI
Grok 4.5
×
OpenAI
GPT-5.5 Pro
×
OpenAI
OpenAI o1
×
OpenAI
GPT-5
×
Output $/MTok$15.00$6.00$180.00$60.00$10.00
Input $/MTok$2.50$2.00$30.00$15.00$1.25
Cached input $/MTok$0.2500$0.3000$7.5000$0.1250
Context window1,050,000500,0001,050,000200,000400,000
Output cap128,000500,000128,000100,000128,000
Modalitiesin: text, image / out: textin: text, image / out: textin: text, image / out: textin: text, image / out: textin: text, image / out: text
Tool use
Structured output
FamilyGPT-5.4Grok 4GPT-5.5o-seriesGPT-5
Knowledge cutoff2025-08-312026-02-012025-12-012023-10-012024-09-30
Verified2026-07-192026-07-192026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗provider page ↗
02

Speech to text

1 model
Speechmatics
Speechmatics Enhanced
×
$/min$0.002150
$/min batch
Streaming
Realtime
Languages56+
Diarizationincluded
TTFW
Verified2026-07-19
Sourceprovider page ↗