Allows clients to specify exactly what data they need, and receives only that data

Uses a single endpoint to access multiple resources

Has its own query language that allows for complex data fetching and manipulation

Can support real-time updates via subscriptions

Can be more efficient than REST in certain situations, particularly for mobile devices with limited bandwidth

Caching can be more fine-grained and easier to manage than with REST

Requires more setup and configuration than REST, and may require more expertise to use effectively