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Showing top 12 results for "preview bugs"

Introducing Claude Opus 4.5

…Opus 4.5 is a step forward in what AI systems can do, and a preview of larger changes to how work gets done. Claude Opus 4.5 is state-of-the…

Nov 24, 2025

Harness design for long-running application development

…Applications from earlier harnesses often looked impressive but still had real bugs when you actually tried to use them. To catch these, the evaluator used the Playwright MCP to click through the…

Mar 24, 2026

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Introducing Claude Opus 4.5

Harness design for long-running application development