Best Vector Databases · head-to-head
MongoDB Atlas Vector Search vs Pinecone
A sourced, side-by-side comparison for vector databases. MongoDB Atlas Vector Search has the lower entry price. Every figure links to the vendor's own page and the date we captured it.
At a glance
- Price: MongoDB Atlas Vector Search $0/mo vs Pinecone $0/mo — MongoDB Atlas Vector Search is cheaper to start.
- Free tier: MongoDB Atlas Vector Search Yes; Pinecone Yes.
- HIPAA: MongoDB Atlas Vector Search Yes; Pinecone Yes.
Side by side
| MongoDB Atlas Vector Search | Pinecone | |
|---|---|---|
| Entry price | $0/mo (M0 Free) | $0/mo (Starter) |
| Free tier | Yes | Yes |
| HIPAA (BAA) | Yes | Yes |
| SOC 2 | Yes | Yes |
| GDPR | Yes | Yes |
| Best for | Teams already on MongoDB Atlas wanting vector search without a separate DB | Production RAG applications needing fully managed serverless scale |
Sources — MongoDB Atlas Vector Search: mongodb.com (verified 2026-06-14). Pinecone: pinecone.io (verified 2026-06-14).
Key features
MongoDB Atlas Vector Search: Unified operational + vector data in one platform — no sync required; Auto-generates and syncs vector embeddings via Voyage AI integration; Hybrid queries combining vector search with SQL-style filters, geo, aggregation, and graph lookups; Dedicated Search Nodes for workload isolation (HNSW and ENN algorithms); FedRAMP Moderate authorized (Atlas for Government); FIPS 140-2 encryption
Pinecone: Serverless vector database with pay-per-use read/write units; Sparse-dense hybrid search (BM25 + dense vectors); Pinecone Assistant for RAG (built-in chunking, embedding, retrieval); Private endpoints and customer-managed encryption keys (KMS); 99.95% uptime SLA with cross-region replication