[BUG] Opus[1m] not available even though I have extra usage on my account.

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

/model Opus[1m] not available even though I have extra usage on my account.

What Should Happen?

it used to change models and bill me a LOT of money!

Error Messages/Logs

Steps to Reproduce

type /mode opus[1m] with an account with extra billing and positive balance.

It replies
⎿ Opus 4.6 with 1M context is not available for your account. Learn more: https://code.claude.com/docs/en/model-config#extended-context-with-1m

But the description on the website says it should work.

Claude Model

Opus

Is this a regression?

Yes, this worked in a previous version

Last Working Version

v2.1.59 (

Claude Code Version

2.1.62 (Claude Code)

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

<img width="1749" height="294" alt="Image" src="https://github.com/user-attachments/assets/64b25e3a-3cf9-4af8-8867-d507e7b80c71" />