pgvector vs Zilliz
Vector Databases pricing comparison · 2026
pgvector uses custom pricing, while Zilliz ranges from $0–$155/month.
P
pgvector
pgvector is a free, open-source PostgreSQL extension that adds vector similarity search to
verified 6w ago
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Zilliz
Zilliz Cloud is the fully managed vector database built on open-source Milvus, operated by
verified 6w ago
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Estimated license cost
at 25 seats
List price × seats. Click a tier below to lock it.
Pricing model unknown
Pricing model unknown
no public list price found
Enterprise
$47K/yr
year 1 license · $155/seat
REF · 01
Sources & confidence
Every dollar amount and contract clause below traces back to a sourced fact. We don't manufacture composite scores.
Where this data comes from
Vendr · TrustRadius · Reddit · BBB · official docs
Sources
No structured sources
Last verified
1mo ago
Confidence
Limited confidence
Sources
No structured sources
Last verified
1mo ago
Confidence
Medium confidence
REF · 02
Plans at a glance
Every tier per product. Lock one to drive the cost row above and reveal a tier-specific outbound CTA.
Tier ladder
Click a tier to lock the cost row to it. Locking surfaces a tier-specific Visit CTA.
REF · 05
What users say
Aggregated, with sample sizes. We use whichever review platform has data.
User reviews
TrustRadius · Trustpilot · G2
Decide
Get a quote from each vendor
Each link opens the vendor's pricing page in a new tab.
License cost is computed from publicly listed plans (real math, list price × seats).
Median annual cost is from Vendr's deal flow when available — see source badges.
Hidden costs and contract terms each cite their own sources. We do not invent composite scores.
VS
pgvector and Zilliz 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 | pgvector | Zilliz |
|---|---|---|
| Open Source (Free) | Free /month | Free /month |
| Standard | — | Free /month |
| Enterprise | — | $155 /month |
| Business Critical | — | Custom |