DK Business Network
On 27th February, 2025, Open AI announced the launch of its largest model till date, GPT-4.5, code-named Orion. It has more data and computing power than any previous models. Open-AI stated in a white-paper report that it doesn’t consider GPT-4.5 to be a frontier model. Subscribers of ChatGPT Pro Plan got access to GPT-4.5 on Thursday itself, while developers on OpenAI’s paid API tiers can begin using the model right away. According to an OpenAI spokesperson, users with ChatGPT Plus and ChatGPT Team subscriptions are expected to gain access next week.
GPT-4.5 was created using the same “Pre– Training” phase known as unsupervised learning that OpenAI employed for developing GPT-4, GPT-3, GPT-2, and GPT-1. This involves increasing data and computing power. OpenAI said that this increased size has given the AI “a deeper world knowledge” and “higher emotional intelligence.” GPT-4.5 is an enhanced version of the GPT-4.0, not a replacement. Though it supports file and image uploading, it isn’t capable of supporting two-way voice mode. Open AI also said that this model is very expensive to run.
OpenAI also asserts that GPT-4.5 outperforms other models in areas not fully captured by benchmarks, such as understanding human intent. According to OpenAI, GPT-4.5 responds with a more natural and warm tone and excels in creative tasks like writing and design. In an informal test, OpenAI asked GPT-4.5 and two other models, GPT-4o and o3-mini, to generate a unicorn in SVG format, which is used for displaying graphics based on mathematical formulas and code. GPT-4.5 was the only model to produce something resembling a unicorn.
Open AI also states that unsupervised learning and scaling reasoning are also new features of the new version. Unsupervised learning is where the model learns what is to be done without instructions or being told what to look for. Scaling reasoning will teach the model to solve complex tasks. This new version is also more human in its responses. It shows more emotional quotient than the previous versions. This version was also trained and tested for safety to make it more aligned with human values.
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