Gemini 3 Pro User Feedback: Disappearance of Deep Research Feature Sparks Speculation

Users have discovered in the Google Gemini app that the Deep Research feature option disappears after switching to the Gemini 3 Pro model. Users speculate this might be a limitation caused by not subscribing to a paid service. This phenomenon has sparked discussion about Google AI service feature restrictions, although it is currently unclear whether this is a widespread issue or an isolated technical glitch.