HAIL.SO / DISPATCH · 2026-07-21 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

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01

Large language models

4 models
OpenAI
GPT-5.4
×
OpenAI
GPT-5.5 Pro
×
OpenAI
GPT-4o
×
OpenAI
OpenAI o3
×
Output $/MTok$15.00$180.00$10.00$8.00
Input $/MTok$2.50$30.00$2.50$2.00
Cached input $/MTok$0.2500$1.2500$0.5000
Context window1,050,0001,050,000128,000200,000
Output cap128,000128,00016,384100,000
Modalitiesin: text, image / out: textin: text, image / out: textin: text, image / out: textin: text, image / out: text
Tool use
Structured output
FamilyGPT-5.4GPT-5.5GPT-4oo-series
Knowledge cutoff2025-08-312025-12-012023-10-012024-06-01
Verified2026-07-192026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗
02

Speech to text

2 models
AssemblyAI
Universal-Streaming
×
Rev.ai
Rev.ai Reverb
×
$/min$0.002500$0.003300
$/min batch
Streaming
Realtime
Languagesenen
Diarizationextra-costincluded
TTFW
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗