OpenAI's new GPT-5 model — the engine that will power its key products, including the free and paid versions of ChatGPT — throws down a gauntlet to its arch-competitor Anthropic.

The big picture: Anthropic's Claude is frequently viewed as the best AI for writing code, which could be the reason OpenAI leaned so heavily on GPT-5's coding skills as the company introduced its new model Thursday.

Catch-up quick: GPT-5, announced Thursday, is OpenAI's first model to combine a traditional large language model with reasoning capabilities that allow AI engines to achieve better results by using more computing time to address a task. • The company also promised GPT-5 will hallucinate less and be better at health-related tasks, among other improvements. • GPT-5 will be less sycophantic than its

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