OpenAI: GPT-5.5 Pro
openai/gpt-5.5-pro
Context: 1,050,000In: $30.00/1MOut: $180.00/1M
GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+ token context window (922K input, 128K output) with support for...
Intelligence
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Coding
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Agentic
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Metric profile
Trend over time
No history yet — first sync only. Trends appear over time.
Classic evals (curated from model cards)
OpenAI GPT — manually maintained, may lag releases
MMLU-Pro
79.6%
GPQA Diamond
81.5%
HumanEval
96.8%
MATH-500
93%