Question: Is there a database solution that supports collaborative development, AI integration, and elastic scaling for varying application usage?

If you need a database that can handle collaborative development, AI integration and elastic scaling, Xata is a good option. It's a serverless data platform based on PostgreSQL that's designed to match the workflow of developers. Xata features include serverless Postgres, AI integration, a collaborative dashboard, elastic scaling and support for different frameworks and tools. The service also comes with a free tier that includes 10 database branches, high availability and AI queries.

Another good option is SingleStore, a real-time data platform that can handle petabyte-scale data sets with millisecond query performance. It can handle both transactional and analytical data in one engine and can ingest high-throughput streaming data. SingleStore is good for AI workloads and supports different data models, including JSON, time-series and full-text search. The platform offers elastic scaling and read replicas for high availability and flexible compute scaling.

If you prefer a more serverless approach, Neon is a good option. It lets you provision a database quickly with no setup and autoscales to match demand. Neon also supports branching for isolated DB copies, read replicas and point-in-time recovery, which makes it good for high-performance and complex applications. The service offers tiered pricing, including a free tier, so it can be used for small or large projects.

Also worth considering is Couchbase, a NoSQL cloud database platform geared for AI-infused applications. It's got a memory-first architecture and supports a variety of data access patterns. Couchbase offers AI-Ready Couchbase Enterprise Server and Couchbase Capella with iQ, which makes it a good option for boosting application performance and supporting distributed workloads. The platform integrates with leading public cloud providers and has enterprise-grade security features.