Users can save significantly by switching from Google AI Pro to the new Google AI Plus plan, which costs $4.99 per month and includes 400GB of storage. Previously, the AI Pro plan cost $19.99 for 5TB of storage, but many users may not need such a large capacity. By downgrading, individuals can save $180 a year, which is especially beneficial in the current economic climate. The AI Plus plan not only provides sufficient storage for average users but also grants access to various AI tools like NotebookLM and Proofread. Users can easily switch plans through their Google One membership settings on the web or mobile app. Additionally, the AI Plus plan offers a 2TB option for $9.99 per month, allowing for further savings of $120 annually. This change is a practical solution for those looking to manage their subscriptions more efficiently.