Internally called Orion, GPT-4.5 is OpenAI’s largest model to date, and it’s first available through the company’s $200 monthly ChatGPT subscription.

Artificial Intelligencecategory· February 12, 2025 OpenAI plans to simplify AI products in new road map for latest models, CEO Altman says OpenAI will not release "o3" as a standalone artificial ...

The launch was widely anticipated. On Feb 13, OpenAI chief executive officer Sam Altman had hinted at the model’s roll-out in an X post, in which he shared the company’s road map but did not specify a ...