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X · @OpenAI X / Twitter

We have a new version of GPT-5.5 Instant for you, and it's much more fun to talk to. Our most-used model is now better at understanding the intent beh…

We have a new version of GPT-5.5 Instant for you, and it's much more fun to talk to.Our most-used model is now better at understanding the…

X · @OpenAI X / Twitter

OpenAI DevDay 2026 applications are now open! Our biggest developer event gets even bigger. 📍 San Francisco 📅 September 29 Apply by July 10: htt…

OpenAI DevDay 2026 applications are now open!Our biggest developer event gets even bigger.📍 San Francisco📅 September 29Apply by July 10: https://devday.openai.com/

X · @OpenAI X / Twitter

Re You can also tune in from home. The opening keynote will be livestreamed on September 29.

Re You can also tune in from home.The opening keynote will be livestreamed on September 29.