SOURCE-LINKED INTELLIGENCE

OpenAI: GPT-5.5 Pro

OpenRouter model catalogue · model · Publication date unknown

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...

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recordType

model-catalog

evidenceStatus

provider-reported

region

Global