One month after launching its latest AI models, OpenAI is bringing GPT-4.1 to ChatGPT. On Wednesday, OpenAI took to social media to announce that ChatGPT Plus, Pro, and Team users can now access ...

But it’s great that Bing Chat offers free access to GPT-4 without a Microsoft account. Finally, I’ll point out that OpenAI sells ChatGPT Plus subscriptions for $20/month, which opens the doors ...

Five organizations that were the first to access GPT-4, the latest product from OpenAI — best known for ChatGPT — said the tech has shifted their direction.

In fact, while GPT-4.5 is the newest model release, OpenAI says that its o3 reasoning model remains its most powerful. It describes GPT-4.5 as a research preview and not a frontier model.