can't enable last models in github copilot enterprise (only old models)

[dnitti-psee]

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I can't enable (with the proper account) last models in github copilot enterprise (only old models can be enabled/disabled)
I can't find a solution for this.
Here is the model list I get, e.g. I can't enable gpt 5.3, but I can do for old models:

[nitinnagar23]

1. Enterprise-level policy is overriding org-level settings

If a policy is defined at the enterprise level, it applies to all users and control of that policy is disabled at the organization level. GitHub So if an enterprise owner has already locked a model policy (enabled or disabled), org admins simply can't change it, the toggle will appear inactive.

What to check: Ask your enterprise owner to review settings under the enterprise-level Copilot policy page, not just the org-level one.

2. New models require explicit opt-in, they don't inherit old permissions

Copilot Enterprise and Copilot Business plan administrators must enable the GPT-5.3-Codex policy specifically in Copilot settings. GitHub Each new model gets its own separate policy entry, enabling older models does not automatically enable newer ones.

What to check: In your org settings → Copilot → Models, look for each new model's policy individually and explicitly enable it.

[dnitti-psee]

can you please tell me in detail how to do this? I spent a lot of time with the enterprise owner and we couldn't find where to enable the models

[nitinnagar23]

Here are clear, step-by-step instructions to resolve the issue:

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Step 1: Verify your role

Make sure you have the right permissions:

• You need to be an Enterprise Owner (not just an Org Owner or Billing Manager) to manage model policies at the top level.
• Go to your enterprise account → People → confirm your role shows as Owner.

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Step 2: Check Enterprise-level Copilot settings first

1. Go to https://github.com/enterprises/<your-enterprise>/settings/copilot
2. Look for a Models or Model policies section
3. If a model is toggled on or off at this level, it will be locked for all orgs underneath, you must change it here, not at the org level.

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Step 3: Check Org-level Model settings

If the enterprise level isn't locking the setting:

1. Go to https://github.com/organizations/<your-org>/settings/copilot/models
2. Look for the specific new model (e.g., GPT-5.3-Codex)
3. Toggle it on, note this is the Models tab, not the general Policies tab

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Step 4: Check for policy conflicts

If the toggle is still greyed out at the org level:

• It means the enterprise policy is overriding it
• Go back to Step 2 and change the setting at the enterprise level
• You cannot unlock it from the org level alone

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Step 5: Confirm billing / plan eligibility

• Newer models may require an active Copilot Enterprise plan (not Business or Individual)
• Go to your enterprise billing settings and confirm the plan is Copilot Enterprise, not a legacy plan
• Some models also carry additional usage costs, confirm your billing is set up to allow this

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Step 6: If the toggle is greyed out with no explanation

This points to either a rollout timing issue or a backend configuration problem:

1. Try a different browser / incognito mode to rule out cache issues
2. Wait 24–48 hours if the model was very recently released
3. If still blocked, contact GitHub Support at https://support.github.com and include:
   • Your enterprise name
   • The specific model name you're trying to enable
   • A screenshot of the greyed-out toggle
   • Your role in the enterprise

[dnitti-psee]

thank you very much,
I just realized I have "GitHub Copilot Business is active for your account"
does it change anything on your reply?