Google has introduced new features and significant updates to its Gemini AI, including direct chatbot access via the Chrome address bar and enhanced image generation capabilities through the Imagen 3 model. Users can now interact with the Gemini chatbot by typing '@gemini' in the Chrome address bar, making AI assistance more accessible. Google has reintroduced its AI image generator with improved safeguards to prevent inappropriate content, and the Imagen 3 model supports creating images with better detail and fewer artifacts. The Imagen 3 model will initially be available to paying users. Additionally, Google has launched 'Custom Gems' to tailor AI experts for specific tasks and new features like 'Ask about this screen' and 'Ask about this video' on Android for more contextual AI assistance.