[Bug] Opus 4.5 missing from Claude Code model picker menu

[grigb]

Bug Description Bug Report: Opus 4.5 Missing from Claude Code Model Picker Summary Claude Opus 4.5 does not appear in the /model menu for Max plan subscribers in Claude Code CLI, despite being accessible when specified explicitly.

Environment Claude Code version: 2.0.37 Subscription: Max plan Steps to Reproduce Launch Claude Code CLI with an active Max subscription Run /model to open the model picker Observe available options Expected Behavior Opus 4.5 should appear as a selectable option in the model picker menu, similar to how it appears in the web and desktop apps.

Actual Behavior The model picker shows:

1. Default (recommended) Sonnet 4.5 · Smartest model for daily use
2. Opus Legacy: Opus 4.1 · Reaches usage limits faster
3. Haiku Haiku 4.5 · Fastest model for simple tasks

Opus 4.5 is missing. The Opus option still references Opus 4.1 as Legacy.

Workaround Opus 4.5 IS accessible by specifying the model string directly:

/model claude-opus-4-5-20251101

This succeeds with: Set model to claude-opus-4-5-20251101

Impact Users may not realize Opus 4.5 is available to them Inconsistent experience between web/desktop apps (where Opus 4.5 is visible) and CLI Menu labels are misleading (Opus 4.1 labeled as the Opus option when 4.5 exists) Suggested Fix Update the model picker menu to include Opus 4.5 as an option for Max plan subscribers, or replace the Opus 4.1 entry with 4.5.

Environment Info

• Platform: darwin
• Terminal: iTerm.app
• Version: 2.0.37
• Feedback ID: 4a43d50e-7fd1-4ac8-9bb4-5e1ceeb4fc69

[github-actions[bot]]

Found 3 possible duplicate issues:

1. https://github.com/anthropics/claude-code/issues/3357
2. https://github.com/anthropics/claude-code/issues/5790
3. https://github.com/anthropics/claude-code/issues/5188

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[sehwan505]

is it duplicated? I think it's different. and I got same issue too

[todddrinkwater]

Same issue here. It's available in CLI version, but not in the VS Code version. However, it was until a few days ago. Unsure if this is related to the latest release? (2.0.58)

[zerzerzerz]

where is the claude opus 4.5 in github copilot for vscode? I still use it yesterday, but it disappears today.

[PavelProdan]

Same thing happened to me today. Yesterday everything worked just fine but now it dissapeard.

[iits-timon-holzhaeuser]

Same here. VS Code is not showing Opus 4.5 despite its available per CLI. Other instances on other PCs of mine do not have the problem with the VS Code extension. There it sets the default correctly to Opus 4.5.

[cleanspin]

Confirming this issue on Arch Linux (AUR package claude-code version 2.0.62-1).

Reproduction:

• /model opus sets model to Opus 4.1 (claude-opus-4-1-20250805)
• The opus alias should map to Opus 4.5 as per the documentation

Workaround: Using the full model ID works: /model claude-opus-4-5-20251101

The model alias mapping appears to be outdated and needs to be updated to point to Opus 4.5.