Milvus vs MongoDB Atlas Vector Search
Vector Databases pricing comparison · 2026
Milvus pricing ranges from $0–$155/month, while MongoDB Atlas Vector Search ranges from $0–$33.26/per hour. MongoDB Atlas Vector Search is typically 99% more affordable, though your actual cost depends on tier and team size.
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Milvus and MongoDB Atlas Vector Search are both vector databases competitors. This page compares their list pricing tier by tier so you can see which is cheaper for your workload shape.
Plan-by-Plan Pricing
| Plan | Milvus | MongoDB Atlas Vector Search |
|---|---|---|
| Open Source (Self-Hosted) | Free /month | Free /month |
| Zilliz Cloud Free | Free /month | $9 /month |
| Zilliz Cloud Standard | $99 /month | $8 /month |
| Zilliz Cloud Enterprise | $155 /month | Custom |
| Zilliz Cloud Business Critical | Custom | — |
Cost at Scale
Total cost of ownership — licenses, implementation, and hidden costs included.
Milvus
5 scenarios~$50/month (VPS only)
Developer / Prototype (Self-Hosted on VPS)
$0
Small Production (Zilliz Cloud Free + Standard)
free → $99/month on Zilliz Cloud Standard
~$400/month (infrastructure only)
Mid-Scale Production (Self-Hosted Milvus)
MongoDB Atlas Vector Search
5 scenarios$0/month
Hobby / Development Project (M0 Free)
$8/month
Small Team (Flex Plan)
starting
$9/month
Small Team (Shared Cluster)