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OpenAI: GPT-5.5
modeltested · static-verifiedscore 45/100signed passport ✓published 183d ago · verified 2026-10-20
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...
Declared tools (3)
file+image+text->texttool-callingstructured-outputs
model:openrouter:openai/gpt-5.5