ChatGPT
@chatgpt
Introducing GPT-5.5
Introducing GPT-5.5, our smartest model yet—faster, more capable, and built for complex tasks like coding, research, and data analysis across tools.
11:00 AM · Apr 23, 2026
Introducing GPT-5.5, our smartest model yet—faster, more capable, and built for complex tasks like coding, research, and data analysis across tools.
