SOURCE-LINKED INTELLIGENCE

OpenAI: GPT-5.5

OpenRouter model catalogue · model · Publication date unknown

GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...

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recordType

model-catalog

evidenceStatus

provider-reported

region

Global