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gpt

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GitHub Copilot CLI’s Rubber Duck Now Supports Claude for Cross-Model Review

GitHub Copilot CLI's 'Rubber Duck' feature now uses Claude as a critic agent for GPT sessions, enabling cross-model code review and expanding model flexibility.

May 10, 2026 6 min read Siegfried Kamgo

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GitHub Copilot CLI’s Rubber Duck Now Supports Claude for Cross-Model Review