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

But it could be the last release in OpenAI's classic LLM lineup.

the GPT 4.5. OpenAI calls it the largest and best model yet for chat purposes. Its enhanced natural interactions and improved ...

OpenAI has launched a research preview of GPT-4.5, which early testers say is more creative and extroverted but overpriced and doesn’t always follow instructions.

Join our daily and weekly newsletters for the latest updates and exclusive content on industry-leading AI coverage. Learn More OpenAI’s ChatGPT has surpassed 400 million weekly active users, a ...

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

OpenAI plans to release its latest large language model, ChatGPT-4.5, within the next few weeks, with GPT-5 launching within the next several months. "We will next ship GPT-4.5, the model we ...

Sam Altman’s OpenAI released GPT-4.5, an upgraded version of the artificial intelligence model that powers ChatGPT, to select ...

OpenAI CEO Sam Altman has announced that GPT-4.5 will "likely" begin rolling out to ChatGPT Plus subscribers "over a few days" rather than all at once. You'll just have to continue being patient.

Impact Link Tired of keeping track of OpenAI's chatbot models ... free users have limited access to GPT-4o. "The free tier of ChatGPT will get unlimited chat access to GPT-5 at the standard ...

OpenAI has begun rolling out its newest AI model, GPT-4.5, to users on its ChatGPT Plus tier. In a series of posts on X, OpenAI said that the rollout will take “1-3 days,” and that it expects ...