● hail.so / dispatch · 2026-10-13 · compare
file: llm · 2 models

GPT-5.4 mini vs GPT-5.5

← All costsBuild your own
OpenAI
GPT-5.4 mini
OpenAI
GPT-5.5
Output $/MTok$4.50$30.00
Input $/MTok$0.75$5.00
Cached input $/MTok$0.0750$0.5000
Context window400,0001,050,000
Output cap128,000128,000
Modalitiesin: text, image / out: textin: text, image / out: text
Tool use✓✓
Structured output✓✓
FamilyGPT-5.4GPT-5.5
Knowledge cutoff2025-08-312025-12-01
Verified2026-10-122026-10-12
Sourceprovider page ↗provider page ↗

Hail costs · CC-BY-4.0 · Dataset source