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

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01

Large language models

5 models
OpenAI
OpenAI o1
×
xAI
Grok 4.5
×
OpenAI
GPT-5.5
×
OpenAI
GPT-5.4
×
OpenAI
GPT-4.1
×
Output $/MTok$60.00$6.00$30.00$15.00$8.00
Input $/MTok$15.00$2.00$5.00$2.50$2.00
Cached input $/MTok$7.5000$0.3000$0.5000$0.2500$0.5000
Context window200,000500,0001,050,0001,050,0001,047,576
Output cap100,000500,000128,000128,00032,768
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
Familyo-seriesGrok 4GPT-5.5GPT-5.4GPT-4.1
Knowledge cutoff2023-10-012026-02-012025-12-012025-08-312024-06-01
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
Rev.ai
Rev.ai Reverb
×
$/min$0.003300
$/min batch
Streaming
Realtime
Languagesen
Diarizationincluded
TTFW
Verified2026-07-19
Sourceprovider page ↗