The whole AI industry was looking forward to GPT-5, the future major major language model (LLM) of Openai, in a context where the company is put under pressure by increasingly ferocious competition. But by then, the public will be able to wait with GPT-4.5, an intermediate version whose exit was formalized this evening.
Rumors came from an article from Bleeping Computer. Earlier in the evening, Internet users noticed that the Beta branch of the Android application offered them ” to try GPT-4.5, the largest and most recent model »From the American company. What confirm that the deployment of the new version was imminent.
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I just got this on the android app! I think it’s a big but 4.5 seems imminent pic.twitter.com/pdzCAk5IKT
– Dylan’s name (@dylandneve10) February 26, 2025
A series of very eloquent screenshots published by the engineer Tibor Blaho also offered us a small overview of the changes associated with this version. We note that the interface was significantly altered, in particular with the displacement of the Deep Research, Canvas and Dall-E functions (the image generation tool integrated into the chatbot for a few versions) in a new menu, more condensed and coherent.
Back to fundamentals
In terms of additional performance and features, the virtual conference given this evening by Openai made it possible to lift the veil on the future of the OPENAI IA. Despite the impressive performance of the O1 and O3 models, intends to return to a more conventional approach with GPT-4.5. This model is thus designed for:
- Quickly answer most questions
- Become the default model in Chatgpt
- Serve as a transition while waiting for GPT-5
It is important to note that, according to Openai, GPT-4.5 remains less efficient than the O1 and O3 models, particularly in tasks requiring complex reasoning, and therefore longer. However, he will be able to propose a natural interaction, to rely on an extended knowledge basis, as well as a “emotional intelligence”Increased. The number of Hallucinations IA has also been revised downwards, promises the American giant.
Chatgpt Pro subscribers in priority
The bad news is that everyone will not be able to take advantage of it immediately. The GPT-4.5 model is already accessible to Chatgpt Pro subscribers and developers via the API. Its integration into the Chatgpt Plus offer is scheduled for next week. Be careful however, if GPT-4.5 represents a significant advance, Openai positions it as a transitional step. The company is already working on GPT-5, which aims to merge the capacities of GPT and O3 models. The latter should mark a big turning point in the history of the company, thanks to its capacities of reasoning and advanced multimodal treatment.
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