Claude Opus 4.5 is now available in public preview on Microsoft Foundry, GitHub Copilot paid plans, and Microsoft Copilot Studio. The model achieves 80.9% on SWE-bench Verified and delivers state-of-the-art performance in agentic coding, tool use, and visual reasoning. Key features include programmatic tool calling, tool search capabilities, improved computer use automation, and an effort parameter for balancing performance with latency. Priced at one-third the cost of previous Opus-class models ($5 input/$25 output per million tokens), it targets software development, financial analysis, cybersecurity, and enterprise operations use cases.

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