OpenAI: GPT-5.5
openai/gpt-5.5
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...
Modalities
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In / out price
₩8,775 / ₩52,650
1M
Context
1.05M
Released
Apr 25, 2026
No benchmark data for this model.