OpenAI teases GPT-5.4 with extreme reasoning mode and expanded context window capabilities

Just a Day After Releasing GPT-5.3 Instant, OpenAI Teases GPT-5.4 Model

OpenAI teased the release of the GPT-5.4 artificial intelligence (AI) model on Wednesday. The San Francisco-based AI giant said that the major update to the existing model could arrive soon, making it the fastest launch teaser after the launch of a major model. Interestingly, on Tuesday, the company released the GPT-5.3 Instant to all ChatGPT users. The model focuses on improved conversations and better writing quality. Notably, the developments arrived after a website claimed that about 2.5 million ChatGPT users intend to quit the platform. GPT-5.4 AI Model Could Arrive Soon In a post on X (formerly known as Twitter), the official handle of OpenAI said, "5.4 sooner than you Think." For the unaware, the GPT-5.4 is the next major update to the GPT 5 series model and is expected to arrive with significant improvements across different capabilities. While teasing the launch of a new AI model is not a new thing for the company, the timing of it is interesting. Just a day before the post, OpenAI released the GPT-5.3 Instant model. It is a general-purpose model which is being rolled out to all ChatGPT users, regardless of their subscription status. While the model does not bring a significant jump in multimodal or coding capabilities, it focuses on conversations and writing-based tasks. In a post, the company said the GPT-5.3 Instant will show fewer disclaimers and better balance information sourced from the web with its own knowledge and reasoning. Additionally, the model is said to have a more "to-the-point" conversation style and a better grasp of writing content that deals with heavy emotions or involves an imaginative prompt. While it cannot be said when OpenAI might release the GPT-5.4 AI model, announcing it so soon after the release of GPT-5.3 Instant could be related to the reports of a large number of users planning to ditch ChatGPT. A website claims, based on individual pledges, social media posts, and app usage data, that as many as 2.5 million users could stop using the AI platform. It is said that the user exodus is related to OpenAI's deal with the Pentagon to let the US government use its technology for any lawful purpose.

OpenAI to release GPT-5.4 model with expanded context window - The Information By Investing.com

Investing.com - OpenAI plans to release its next GPT model, GPT-5.4, according to The Information, citing a person with knowledge of the development. The new model will feature a context window exceeding 1 million tokens, more than double the 400,000 token capacity of the current GPT-5.2 model. This expansion will allow the model to process queries containing significantly more words or data. The upgrade will match the context window capabilities of competing models from Google and Anthropic, which already support 1 million tokens. Previous OpenAI models, including GPT-4.1, supported a 1 million token context window, but this feature was not present in version 5.2. GPT-5.4 will demonstrate improved performance on tasks requiring several hours to complete, according to the person. The model will better retain information about user requests and operational parameters across multiple steps, while showing reduced error rates. These enhancements could benefit applications such as OpenAI's Codex coding tool, which uses AI to automate complex, extended tasks. The model will introduce an extreme reasoning mode, enabling it to allocate substantially more time and computational resources to difficult questions, the person said. This article was generated with the support of AI and reviewed by an editor. For more information see our T&C.

GPT 5.4 may release soon: Features, release timeline and more details about OpenAI upcoming model

It could include an extreme reasoning mode for solving complex problems. OpenAI is reportedly working on releasing a new version of its ChatGPT model. Reports indicate that the new GPT 5.4 model is a complete upgrade from its predecessors. For instance, the new model is reportedly able to process a much larger context window. It can process over a million tokens. This means that the model can read books or long legal documents in a single session. It can also read large code projects in a single session. It is also believed that the model will have an extreme reasoning mode. This means that the model can solve problems using long calculations. Other improvements may include better memory and more consistent performance during long tasks. These changes could make a big difference in scientific research and multi-step reasoning. Read on to find out what to expect and when the GPT 5.4 may launch. Early reports suggest that GPT 5.4 will support an expanded context window exceeding one million tokens. When compared to GPT 5.2, the upcoming model is expected to offer more than double the roughly 400,000 tokens available in the latest GPT 5.2 models. This means it could read and work with entire books, long legal papers, or large code projects in a single go. would help a lot in research, coding, and data-heavy tasks. Also read: Amazon Electronic Premier League 2026: Date, offers and other details The GPT-5.4 is also said to come with an extreme reasoning mode which will let the AI tool spend more time and computing power thinking through really complex problems. Analysts suggest that the new model could improve scientific research, multi-step reasoning, and tasks that need careful, long chains of thought. Along with the above-mentioned, the reports have also indicated that the new model can also come with enhancements in memory retention and better sustained performance over extended workflows. Also read: Sony could drop PC releases and bring back strict PlayStation exclusives, report claims The company has not officially announced a launch date for the new GPT 5.4 model yet. Leaks and reports in the developing community indicate that it could launch as early as March or April 2026.