OpenAI has unveiled GPT-4.5, code-named Orion, marking what the company calls its largest model so far. Many in the tech ...

An AI expert who requested anonymity told Ars Technica, "GPT-4.5 is a lemon!" when comparing its reported performance to its ...

The startup touted the LLM as capable of exceeding leading proprietary and open models such as OpenAI GPT-4o and DeepSeek-V3.

Command A from Cohere offers faster speeds, a larger context window, improved multilingual handling, and lower deployment costs.

OpenAI’s GPT-4.5 faces backlash over high costs, limited improvements, and rising competition from open-source AI models.

OpenAI has introduced GPT-4.5, its largest AI model to date, code-named Orion. The model, trained with more computing power ...