Claude 4.8

Anthropic released Claude 4.8 Opus, a major AI upgrade focused on coding, reasoning, and agentic capabilities. New features include “effort control” to manage computational resources and dynamic workflows for complex coding projects. The Messages API now allows real-time instruction updates during agent execution. Anthropic aims for competitive pricing, with fast mode offering 2.5x speed improvement. Opus 4.8 shows significant performance gains and improved safety.