Earlier this month, OpenAI CEO Sam Altman shared a roadmap for its upcoming models, GPT-4.5 and GPT-5. In the X post, Altman shared that GPT-4.5, codenamed Orion internally, would be its last ...

OpenAI researchers said the new model was the company’s “best chat model yet,” citing an improved knowledge base and better contextual understanding.

In what has already been a busy past few days for new model releases, OpenAI is capping off the week with a research preview of GPT-4.5. The company is touting the new system as its largest and best ...

GPT 4.5 gives the vibe of recognizing the unstated preferences in a prompt compared to GPT-4o. But, it's very subtle in ...

The next landmark version of OpenAI's ChatGPT could use GPT-5, but don't start assuming this will have any semblance of "AGI.

The release of OpenAI’s biggest model ever exposes the tension between building artificial general intelligence and making ...

OpenAI has unveiled GPT-4.5, code-named Orion, marking what the company calls its largest model so far. Many in the tech community have waited eagerly for the ...

It describes GPT-4.5 as a research preview and not a frontier model. Later this year, OpenAI expects to introduce GPT-5 as a single that handles quick chat requests and more intensive reasoning ...

GPT-4.5 is a bridge to the GPT-5 initiative, not a reasoning model itself. OpenAI said its answers more convincingly engage ...

OpenAI’s GPT-4.5 faces backlash over high costs, limited improvements, and rising competition from open-source AI models.

In addition to the adjusted release plan, Altman proposed on X a significant change to the ChatGPT Plus subscription model.