U4.7 reasons deeply and works with your files. U4.6 handles the everyday and reads what you attach. U4.5 reasons deeply through complexity with extended thinking. Choose the model that matches the weight of the problem.
What's included
U4.7 — the default for new chats; thinks deeply, reads images and organises your U Cloud files
U4.6 — reasoning and vision for everyday work
U4.5 — deep reasoning for conversation, with extended thinking