Google has launched Gemini 2.5 Deep Think, its most sophisticated reasoning model to date, for Ultra subscribers. This advanced AI is designed to process multiple ideas concurrently, enhancing its analytical capabilities. The rollout is currently limited to users of the $250-per-month Ultra subscription tier, indicating Google's strategy of offering premium AI features to its highest-paying customers. This move underscores the ongoing competition in the AI space, with Google aiming to stay ahead by providing cutting-edge technology to its user base willing to pay a premium.