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Introducing GPT-5.5 | OpenAI
https://openai.com/index/introducing-gpt-5-5/
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With GPT-5.5, Codex now gets more of the job done across the browser, files, docs, and your computer.
We've expanded browser use so Codex can interact with web apps, and test flows, click through pages, capture screenshots, and iterate on what it sees until it completes the¡Ä pic.twitter.com/rUguNHIcIB— OpenAI Developers (@OpenAIDevs) April 23, 2026
¡ÖChatGPT Images 2.0¤Ç¥¢¥»¥Ã¥È²èÁü¤òÀ¸À®¤·¡¢GPT-5.5¤Ç¥³¡¼¥Ç¥£¥ó¥°¤·¤Æ¥²¡¼¥à¤òºî¤ë¡×¤È¤¤¤¦¤³¤È¤â²Äǽ¡£°Ê²¼¤ÎÅê¹Æ¤Ë¤ÏGPT-5.5¤ÈChatGPT Images 2.0¤òÍѤ¤¤Æ¿ôʬ¤Ç³«È¯¤·¤¿¤È¤¤¤¦¥·¥å¡¼¥Æ¥£¥ó¥°¥²¡¼¥à¤Î¥×¥ì¥¤Æ°²è¤¬´Þ¤Þ¤ì¤Æ¤¤¤Þ¤¹¡£
ChatGPT 5.5 has arrived.
I created a quick video game with it on Codex.
Create an image on ChatGPT Images 2.0, and asked Codex to make a basic funtioning video game referencing it.
This took only a few minutes for it to create! pic.twitter.com/5G3xjkzYWx— Jerrod Lew (@jerrod_lew) April 23, 2026
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GPT-5.5 System Card - OpenAI Deployment Safety Hub
https://deploymentsafety.openai.com/gpt-5-5
