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GPT-5.5 Pro

active
OpenAI2026-04-24
Specifications
Modalities
text
image
Context Window-
Max Output-
Training Cutoff-
Open SourceNo
Pricing (per 1M tokens)
Input$30.0000
Output$180.0000
Benchmarks
MMLU-Pro-
SWE-Bench-
GPQA Diamond-
HumanEval-
ARC-AGI-
MATH-
API
Model IDgpt-5.5-pro
API Docs
Sources