Claude Opus 5: Long-Running Agents That Actually Ship
Anthropic's Claude Opus 5 debuts in Microsoft Foundry, designed for long-running agent tasks that maintain context and recover from errors. It excels at codebase reasoning, vision understanding, and computer use, backed by enterprise-grade platform features. The model is especially suited for multi-step workflows that span hours, though evaluating its sustained performance requires careful measures beyond simple quotas.