Best Vector Databases · alternatives

Best MongoDB Atlas Vector Search alternatives (2026)

6 alternatives to MongoDB Atlas Vector Search in vector databases, ranked by entry price. MongoDB Atlas Vector Search starts at $0/mo. Every figure links to the vendor's own page and the date we captured it.

Key takeaways

  • Free alternatives: Chroma, Pinecone, Qdrant Cloud, Redis Cloud, Supabase (pgvector), Weaviate.
  • Closest by price: Chroma ($0/mo), Pinecone ($0/mo), Qdrant Cloud ($0/mo).

MongoDB Atlas Vector Search alternatives compared

Ranked by entry price (lowest published self-serve monthly plan). Sourced per row.
#AlternativeEntry priceFreeHIPAABest forSource
1 Chroma $0/mo Yes No Developer-first teams building RAG prototypes quickly with open-source tooling trychroma.com
2 Pinecone $0/mo Yes Yes Production RAG applications needing fully managed serverless scale pinecone.io
3 Qdrant Cloud $0/mo Yes Yes High-performance production workloads requiring low-latency ANN search qdrant.tech
4 Redis Cloud $0/mo Yes Yes Real-time AI applications requiring sub-millisecond vector query latency redis.io
5 Supabase (pgvector) $0/mo Yes Yes Full-stack apps needing vector search co-located with Postgres relational data supabase.com
6 Weaviate $0/mo Yes Yes Multi-tenant SaaS applications needing per-customer data isolation weaviate.io

Data current through 2026-06-14. Compare any two directly on the Vector Databases index.