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

side by side.

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01

Large language models

4 models
OpenAI
OpenAI o3
×
OpenAI
GPT-5.4
×
OpenAI
GPT-4o
×
OpenAI
GPT-5.5
×
Output $/MTok$8.00$15.00$10.00$30.00
Input $/MTok$2.00$2.50$2.50$5.00
Cached input $/MTok$0.5000$0.2500$1.2500$0.5000
Context window200,0001,050,000128,0001,050,000
Output cap100,000128,00016,384128,000
Modalitiesin: text, image / out: textin: text, image / out: textin: text, image / out: textin: text, image / out: text
Tool use
Structured output
Familyo-seriesGPT-5.4GPT-4oGPT-5.5
Knowledge cutoff2024-06-012025-08-312023-10-012025-12-01
Verified2026-07-192026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗
02

Speech to text

2 models
AssemblyAI
Whisper-Streaming
×
OpenAI
Whisper
×
$/min$0.005000$0.006000
$/min batch
Streaming
Realtime
Languages99+99+
Diarizationextra-costunsupported
TTFW
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗