In a major shift in its hardware strategy, OpenAI launched GPT-5.3-Codex-Spark, its first production AI model deployed on ...

First of four parts Before we can understand how attackers exploit large language models, we need to understand how these models work. This first article in our four-part series on prompt injections ...

Alana Benson is an investing writer who joined NerdWallet in 2019. She covers a wide variety of investing topics including stocks, socially responsible investing, cryptocurrency, mutual funds, HSAs ...