The current state of advanced generative AI demonstrates ... more human and handle complex queries with nuanced responses. GPT-4, for example, boasts significant improvements, including a beefed ...

GPT-4.5 doesn't "think" like the company's state-of-the-art reasoning models, but in training the new model OpenAI made architectural enhancements and gave it access to more data and compute power.

GPT‑4.1, GPT‑4.1 mini, and GPT‑4.1 nano are available now to all directly in ChatGPT. GPT-4.1 mini, replaces GPT-4o mini, in ChatGPT for all users. Plus, Pro, and Team users can access GPT-4.1 via the ...

If that bill is passed, OpenAI’s frontier models would have to comply with state-mandated risk assessments before making models available for public use. But the biggest takeaway from the GPT-4o ...

The development of GPT-4.5 incorporates state-of-the-art training methodologies, including reinforcement learning from human feedback (RLHF). This approach ensures the model aligns closely with ...