Pinecone
Vector database for AI
★ 4.0
Serverless vector database for AI applications with similarity search, RAG support, and inference API. Purpose-built for machine learning embeddings.
Features
✓ Serverless vector database
✓ Similarity search at scale
✓ Hybrid search (sparse + dense)
✓ Metadata filtering
✓ Namespaces for multi-tenancy
✓ Built-in inference API
✓ Reranking support
✓ Automatic scaling
✓ 5M free embedding tokens/mo
Pros
- + Purpose-built for AI/ML vectors
- + Generous free tier
- + Serverless scaling
- + Built-in inference API
- + Great for RAG applications
Cons
- − Vendor lock-in
- − Free tier pauses after 3 weeks inactivity
- − Limited to AWS us-east-1 on free tier
- − Per-unit pricing can get complex