Anthropic's Claude Opus 5 rivals top AI models at a lower cost

Anthropic has launched Claude Opus 5, which the company says is both its best-performing and most cost-effective AI model to date. It is positioned as a rival to top-tier models, including one used in Fable 5, and targets businesses concerned about the rising costs of AI deployment. Anthropic says the new model delivers high performance at a lower price point.