Claude Opus 4.5 suddenly disappeared in Copilot Chat

[seAfnan]

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Bug

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Hello GitHub Copilot Team,

Three days ago, the Claude Opus 4.5 Preview model suddenly disappeared from my GitHub Copilot Chat model selector while I was actively working. Since then, the model has not reappeared, even after performing the following steps:

• Updated GitHub Copilot Chat to the latest version
• Restarted VS Code multiple times
• Signed out and signed back into GitHub
• Verified that my Copilot subscription is active
• Reloaded the VS Code window

Even I have enabled it in my Github Account:

Other models are visible, but Claude Opus 4.5 Preview is completely missing.

This model was available earlier the same day, so I am unsure whether this is due to:

• Model deprecation
• Preview access being revoked
• Region-based rollout changes
• Or a backend availability issue

Environment Details:

• OS: Windows 11
• Editor: VS Code (latest stable)
• GitHub Copilot: Individual subscription
• Copilot Chat Extension: Latest version
• Account name: seAfnan
• Location: Pakistan
• Status: Copilot Pro

Could you please confirm:

1. Whether Claude Opus 4.5 Preview has been officially removed or deprecated
2. Or if this is a region/account-specific rollout issue
3. And whether it is expected to return

Thank you for your assistance.

[Yerya]

Same issue, it’s a bug

[AnasWagih25]

Pretty sure it's just a bug, it seems they're working on it.

[igharsha7]

Same issue, but for my friend it appeared with 3x usage.

[seAfnan]

its back with 3x

[github-actions[bot]]

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