OpenAI updates ChatGPT’s default AI model, makes it smarter and more fun to talk to
Follow UsOpenAI has announced a new version of GPT-5.5 Instant.
The company says the new version is smarter, better at understanding users, and more enjoyable to chat with.
GPT-5.5 Instant became ChatGPT's default model last month.
OpenAI has announced a new version of GPT-5.5 Instant, the AI model that powers ChatGPT by default. The company says the latest version is smarter, better at understanding users, and more enjoyable to chat with. The rollout has already started for paid users. Free users will receive the update in a few days. GPT-5.5 Instant became ChatGPT’s default model last month. At the time, OpenAI said the model makes 52.5 per cent fewer hallucinated claims compared to GPT-5.3 Instant on important topics such as medicine, law and finance. It also reduces incorrect answers by more than 37 per cent, as per the company.
SurveyWith this latest update, OpenAI is focusing on making conversations feel more natural. According to the company, GPT-5.5 Instant now understands the intent behind a user’s question more accurately. “Our most-used model is now better at understanding the intent behind a question and adapting its response accordingly,” OpenAI wrote in a post on X, “It also handles complex constraints more reliably and makes shopping and local recommendations more useful and cohesive.”
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When OpenAI initially announced the model last month, the company said that GPT-5.5 Instant offers better performance for everyday tasks. The company also said that the model provides responses that are shorter and more direct, without adding unnecessary details. GPT-5.5 Instant can use information from previous chats, uploaded files and connected Gmail accounts, if users choose to enable these features.
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Meanwhile, OpenAI has also introduced Jalapeno, its first custom AI chip built for large language models (LLMs) workloads. The chip has been developed in partnership with Broadcom. OpenAI and Broadcom developed Jalapeno from the initial design to manufacturing tape-out in just nine months. According to OpenAI, Jalapeno is the “first step in a multi-generation compute platform.”
