Anthropic Launches Opus 4.5 AI, Its Most Advanced AI Model Yet
State-of-the-Art Performance Across Key Benchmarks Anthropic has unveiled Opus 4.5, the final iteration of its 4.5 AI model series, following earlier releases of Sonnet 4.5 and Haiku 4.5. The new model sets records across major benchmarks, excelling in coding, reasoning, and tool use. It outperforms competitors on SWE-Bench, Terminal-bench, tau2-bench, MCP Atlas, ARC-AGI 2, and […]