Anthropic Introduces Claude Sonnet 5, Its Most Agentic Sonnet Model Yet
Anthropic launched Claude Sonnet 5, an agentic AI model that plans, uses tools, and operates autonomously at performance levels near Opus 4.8 for a lower price. The company said it improves on Sonnet 4.6 in reasoning, coding, and safety, with substantially weaker cybersecurity capabilities than Opus models.