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GPT-5.5 Pro
model gpt-5.5-pro1.1M
context
128K
max output
$30.00/M
input
$180.00/M
output
2025-12
knowledge cutoff
2
providers
01Providers
| Provider | Provider model ID | In $/M | Out $/M | Context | Status |
|---|---|---|---|---|---|
| OpenAI API | gpt-5.5-pro | 30.00 | 180.00 | 1.1M | live |
| OpenRouter | openai/gpt-5.5-pro | 30.00 | 180.00 | 1.1M | live |
02Invoke
provider
language
03Benchmarks · vendor-reported unless verified
BrowseComp (accuracy) accuracy90.1
Humanity's Last Exam (accuracy) accuracy43.1
Humanity's Last Exam (accuracy) accuracy57.2
FrontierMath (accuracy) accuracy · Tier 1-352.4
FrontierMath (accuracy) accuracy · Tier 439.6
GDPval (wins or ties) wins or ties82.3