When ChatGPT first burst onto the scene, I dismissed it as just another tech novelty. I played with writing poems and asking ...

Is it worth the wait? I just had to know how the new model compared to GPT-4o. Here’s what happened when I compared the two models with 7 prompts, noting their similarities and differences. Prompt: "A ...

An AI expert who requested anonymity told Ars Technica, "GPT-4.5 is a lemon!" when comparing its reported performance to its dramatically increased price, while frequent OpenAI critic Gary Marcus ...

GPT-4.5 API pricing appears shockingly high, costing developers $75 and $180 for 1 million tokens in and out, respectively.

PT: Hours after GPT-4.5's release, OpenAI removed a line from the AI model's white paper that said "GPT-4.5 is not a frontier AI model." ...

improving on GPT-4’s computational efficiency by more than 10x,” OpenAI said in a document that leaked ahead of its announcement. “It does not introduce 7 net-new frontier capabilities ...

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.