Pro models missing in antigravity despite acitve google ai pro subscription

Google Antigravity
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please any help

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Hi @Ali_ozirk,

Thank you for reaching out and sharing the screenshot.

Here is why you are seeing those notices in your model selector and how to resolve them:

  • 1. Why Gemini 4 Argon & Claude 5.5 Show as Unavailable (Trial or Promotional Plan vs. Paid Plan): In your screenshot, the notice (“Opus 5.5 is now available on paid Pro and Ultra plans. Third-party model access will no longer be available on your current plan starting on November 2, 2026”) indicates that your Google AI Pro membership is currently active on a free trial, device promotion, or partner bundle. Gemini 4 Argon, Claude Sonnet 5.5 (thinking), and Claude Opus 5.5 (thinking) are available on Google AI Pro for paid (non-trial) subscriptions only. If you would like to switch from a trial or promotional plan to a paid Google AI Pro subscription immediately, you can submit an upgrade request.
  • 2. Retirement of Gemini 3.1 Pro: Gemini 3.1 Pro was retired from individual plans as part of our model lineup update, with Gemini 3.8 Flash (Low, Medium, and High thinking) serving as the primary Gemini model across all plans and Gemini 4 Argon available on paid (non-trial) Google AI Pro, Ultra, and Enterprise plans (Choose a model).
  • 3. If You Are Already on a Directly Paid (Non-Trial) Google AI Pro Plan: Please update the Antigravity App to the latest release (v2.24.0, listed in the Changelog), sign out of your account completely, and sign back in so your subscription entitlement refreshes.

If you are on a directly paid (non-trial) Google AI Pro subscription and still see Unavailable after signing out and back in on v2.24.0, please let us know.