OpenAI released a new base model on Thursday called GPT-4.5, which the company said is its best and smartest model for chat yet. It’s not a reasoning model like OpenAI’s o1 and o3 models, but it can ...

Open-weight LLMs can unlock significant strategic advantages, delivering customization and independence in an increasingly AI ...

But it could be the last release in OpenAI's classic LLM lineup. OpenAI has just released GPT-4.5, a new version of its flagship large language model. The company claims it is its biggest and best ...

Researchers show that LLMs can reproduce copyrighted training data almost verbatim. This means headaches for model providers.

What the firm found challenges some basic assumptions about how this technology really works. The AI firm Anthropic has developed a way to peer inside a large language model and watch what it does as ...