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claude-code - 💡(How to fix) Fix Opus 4.6 with 1M context unavailable on Max plan [1 comments, 2 participants]

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anthropics/claude-code#48669•Fetched 2026-04-16 06:54:13
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mannewalismannewalis
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Error Message

Error: Opus 4.6 with 1M context is not available for your account.

Code Example

/model opus[1m]
/model claude-opus-4-6[1m]
claude --model opus[1m]
RAW_BUFFERClick to expand / collapse

I have an active Max plan subscription and cannot access Opus 4.6 with 1M context in Claude Code.

Error: Opus 4.6 with 1M context is not available for your account.

Expected: Per Claude Code docs, Max plan includes Opus 4.6 with 1M context automatically.

Verified:

  • Max subscription active (confirmed via /status)
  • Claude Code on latest version
  • CLAUDE_CODE_DISABLE_1M_CONTEXT not set
  • No availableModels restriction in ~/.claude/settings.json or project .claude/settings.json
  • Regular Opus 4.6 works; only opus[1m] is blocked

Failed commands:

/model opus[1m]
/model claude-opus-4-6[1m]
claude --model opus[1m]

Appears to be a server-side entitlement issue.

extent analysis

TL;DR

The issue is likely due to a server-side entitlement issue, and contacting support to verify the Max plan subscription benefits may resolve the access issue to Opus 4.6 with 1M context.

Guidance

  • Verify the Max plan subscription details and benefits through the official Claude Code documentation or support channels to ensure Opus 4.6 with 1M context is indeed included.
  • Check for any potential updates or announcements from Claude Code regarding changes to their subscription plans or model availability.
  • If the issue persists, try accessing Opus 4.6 with 1M context through a different method or interface, if available, to isolate the problem.
  • Consider reaching out to Claude Code support for further assistance, as the error message suggests a server-side entitlement issue.

Example

No code snippet is provided as the issue seems to be related to subscription entitlement rather than code implementation.

Notes

The solution may depend on the specific details of the Max plan subscription and Claude Code's policies regarding model access. The issue might be resolved through support channels rather than a code or configuration change.

Recommendation

Apply workaround: Contact Claude Code support to verify the subscription benefits and resolve the entitlement issue, as the error message suggests a server-side problem rather than a client-side configuration issue.

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