Microsoft Developer(@msdev):Claude Opus 5.5, Anthropic’s newest Opus model, is now available in GitHub Copilot and Microsoft Foundry. In early testing, Opus 5.5 resolved tasks comparably to Claude Opus 5 while using significantly fewer steps and tokens.

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Joined February 2013

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Microsoft Developer@msdev

2026.09.23 18:44

Claude Opus 5.5, Anthropic’s newest Opus model, is now available in GitHub Copilot and Microsoft Foundry. In early testing, Opus 5.5 resolved tasks comparably to Claude Opus 5 while using significantly fewer steps and tokens.

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