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Zilliz costs Free to $155 per month as of July 2026, with 4 plans available including a free tier. Plans: Free (free), Standard (free), and Enterprise at $155/month. Enterprise pricing is available on request. Pricing depends on your chosen tier, contract length, and negotiated discounts.

Use the interactive pricing calculator to estimate your exact cost based on team size and requirements.

  • Free tier: Yes

Zilliz offers 4 pricing tiers: Free, Standard, Enterprise, Business Critical. A free plan is available. Paid plans include Enterprise at $155/month. The Standard plan is prototypes, testing environments, and non-critical workloads.

Last verified: | Sources: 2 pricing pages and reviews
+70% above list price
Know Before You Buy — Try Zilliz Free

Zilliz true cost runs 70% above the listed $0-$155/month price as of July 2026. For a 25-person team, expect ~$39,525 in year-one costs vs the $23,250 base license. Key hidden costs: storage minimums & suspended charges, idle compute charges, data transfer fees. Verified from 2 sources by CostBench.

Hidden Costs Breakdown

1

Storage Minimums & Suspended Charges

medium overage

Zilliz Cloud applies a minimum charge for storage (1 hour for cluster/volume, 1 day for backup) and continues storage charges even if a cluster is suspended.

industry

There is a minimum charge for storage: 1 hour for cluster and volume storage, and 1 day for backup storage.

2

Idle Compute Charges

high overage

For Dedicated clusters, a significant hidden cost can arise from paying for idle compute capacity.

industry

One customer reported paying ~$7,000/month for a 24 CU Tiered cluster that was only actively used for 2-3 hours a month, meaning 99.6% of the spend went to idle capacity.

3

Data Transfer Fees

medium overage

Data transfer can incur additional charges in scenarios such as search/query operations, forwarding audit logs, data synchronization, and cross-region backup.

industry

Data Transfer Costs: Data transfer can incur additional charges in scenarios such as search/query operations, forwarding audit logs to cloud object storage, data synchronization for zero-downtime migration, offline migration, cross-region backup, and using third-party model providers for data ingestion, search, query, and reranking.

4

Audit Log Resource Consumption

low overage

If enabled, audit logs consume additional system resources and are billed.

industry

Audit Logs: If enabled, audit logs consume additional system resources and are billed.

5

Embedding & Inference Fees

critical addon

A significant hidden cost in vector database implementations can come from embedding and inference fees from external model providers, which can sometimes match or exceed the database bill itself.

industry

These costs can sometimes match or exceed the database bill itself, depending on data churn and query patterns.

6

Operational Overhead (Self-Hosting/BYOC)

high implementation

For open-source Milvus or Zilliz Cloud's Bring Your Own Cloud (BYOC) option, operational costs can include hardware, setting up dependencies, load balancers, monitoring, capacity planning, and routine maintenance.

industry

Operational Overhead (for self-hosting or BYOC): For those considering open-source Milvus or Zilliz Cloud's Bring Your Own Cloud (BYOC) option, operational costs can include hardware, setting up dependencies (Kafka, Pulsar, etcd, Kubernetes), load balancers, monitoring, logging tools, capacity planning, and routine maintenance.

7

Cold-Query Premium

medium overage

Serverless pricing can include a 'cold-query premium' where the cost of loading data for infrequent queries is spread across all queries, making it less cost-effective for stable, high-frequency workloads once query volume is not trivially low.

industry

This means workloads with mostly "hot" (frequently accessed) queries may end up subsidizing "cold" ones, making it less cost-effective for stable, high-frequency workloads once query volume is not trivially low.

8

Idle Compute in Dedicated Clusters

high overage

Dedicated clusters bill for provisioned capacity, not actual consumption, meaning costs are incurred even if a cluster is provisioned but not actively used.

industry

A customer with a 24 CU Tiered cluster could face a monthly bill of approximately $7,000, even if the actual analytics work only consumes a few hours, leading to 99.6% of the spend going to idle capacity.

9

Suspended Cluster Storage Costs

medium overage

Storage costs continue to be incurred even if a dedicated cluster is suspended, leading to charges for inactive resources.

industry

Storage costs continue even if a cluster is suspended.

10

Egress Fees

high overage

Data transfer out of the cloud can incur significant costs, charged by Zilliz Cloud in scenarios like search/query operations and migration data sync, though Zilliz aims to pass through cross-region and cross-cloud data transfer fees at provider cost without markup.

industry

Zilliz Cloud does charge for data transfer in scenarios such as search/query operations, forwarding audit logs to cloud object storage, zero-downtime migration data sync, offline migration, cross-region backup, and using third-party model providers.

11

Index Rebuild Costs

medium implementation

Changes in embedding models or dimensions necessitate re-indexing, consuming compute resources and incurring costs, with re-indexing 10 million vectors costing approximately $12–$40 on some platforms.

industry

For example, re-indexing 10 million vectors can cost approximately $12–$40 in write operations on some platforms.

12

Query Costs Scaling

high overage

Query costs can increase with the size of the index, making the same search significantly more expensive as data grows.

industry

The same search might become significantly more expensive as data grows.

13

Developer Complexity

medium implementation

Learning new query languages, writing wrappers, managing SDKs, and handling version mismatches can add to development costs.

industry

Complexity for Developers: Learning new query languages, writing wrappers, managing SDKs, and handling version mismatches can add to development costs.

14

Performance Mismatch for Small Datasets

medium implementation

For smaller datasets, using a vector database might lead to slower queries compared to in-memory solutions, effectively becoming a hidden performance cost.

industry

For smaller datasets, using a vector database might lead to slower queries compared to in-memory solutions like FAISS or NumPy, or even DuckDB with cosine similarity, effectively becoming a hidden performance cost

15

Reindexing and Backups

high overage

Hidden fees can include costs for reindexing and backups, which can potentially double a bill and lead to significant business downtime.

industry

Reindexing and Backups: Hidden fees can include costs for reindexing and backups, which can potentially double a bill

16

Audit Logs

low addon

If enabled, audit logs incur additional charges as logging consumes system resources.

industry

Audit Logs: If enabled, audit logs incur additional charges as logging consumes system resources

17

Scaling Job Billing

low overage

During a scaling job for a Zilliz Dedicated cluster, billing continues based on the previous configuration until the scaling job is successfully completed and the new configuration is applied.

industry

Scaling Job Billing: During a scaling job for a Zilliz Dedicated cluster, billing continues based on the previous configuration until the scaling job is successfully completed and the new configuration is applied

18

Engineering Time (Self-Hosted Ops)

high implementation

For self-hosted solutions, engineering teams might spend 10-20 hours monthly on operations, translating to $1,500–$3,000/month in hidden costs.

industry

Engineering teams might spend 10-20 hours monthly on operations, which, at an engineering rate of $150/hour, translates to $1,500-$3,000/month in hidden costs that are often not budgeted for

19

Model Drift Mitigation & Compliance

medium compliance

Less obvious long-term costs include mitigating model drift, which may require periodic retraining, and ensuring regulatory compliance, which can add development overhead.

industry

Model Drift Mitigation and Compliance: Less obvious long-term costs include mitigating model drift, which may require periodic retraining (e.g., quarterly GPU cluster usage for $500–$2,000 per cycle), and ensuring regulatory compliance (e.g., GDPR, HIPAA), which can add development overhead

20

Storage for Inactive Vectors

low overage

Maintaining data in a "query-ready" state still incurs costs, even with tiered storage.

industry

Storage for Inactive Vectors: While Zilliz Cloud's tiered storage aims to optimize costs by moving less frequently accessed data to cheaper storage tiers, maintaining data in a "query-ready" state still incurs costs

21

Development and Maintenance

high implementation

Costs include compute instances for running embedding models, data processing pipelines, and ongoing maintenance like updating embeddings and performance tuning.

industry

Development and Maintenance: Costs include compute instances for running embedding models (e.g., a GPU instance like an NVIDIA T4 might cost $0.50–$1.50 per hour for inference), data processing pipelines (e.g., Apache Spark at $10–$20/hour on cloud services for 1TB of text data), and ongoing maintenance like updating embeddings and performance tuning

22

Vendor Lock-in

critical migration

Relying on a proprietary vector database might limit migration options, potentially leading to costly rewrites in the future.

industry

Vendor Lock-in: Relying on a proprietary vector database might limit migration options, potentially leading to costly rewrites in the future

23

Storage Costs

medium overage

Storage charges apply even when a dedicated cluster is suspended, and backup storage also incurs costs with a minimum charge of 1 day.

industry

Storage Costs: While Zilliz Cloud has standardized storage pricing at $0.04 per GB per month across major cloud providers as of January 1, 2026, it's crucial to note that storage charges apply even when a dedicated cluster is suspended

Example: True Cost for 25 Users

License (25 × $77.5 × 12) $23,250/yr
Idle Compute Charges +~$7,000/month
Idle Compute in Dedicated Clusters +99.6%
Index Rebuild Costs +$12–$40
Reindexing and Backups +potentially double a bill
Engineering Time (Self-Hosted Ops) +$1,500–$3,000/month
Model Drift Mitigation & Compliance +$500–$2,000 per cycle
Development and Maintenance +$0.50–$1.50 per hour, $10–$20/hour
Storage Costs +$0.04 per GB per month
Estimated Year 1 Total ~$39,525
That's roughly 1.7× the advertised license price.

Frequently Asked Questions

01 What hidden costs should I budget for with Zilliz?

Beyond the license fee, budget for: Idle Compute Charges (~$7,000/month); Idle Compute in Dedicated Clusters (99.6%); Index Rebuild Costs ($12–$40); Reindexing and Backups (potentially double a bill); Engineering Time (Self-Hosted Ops) ($1,500–$3,000/month); Model Drift Mitigation & Compliance ($500–$2,000 per cycle); Development and Maintenance ($0.50–$1.50 per hour, $10–$20/hour); Storage Costs ($0.04 per GB per month). Total ownership typically runs 70% higher than the listed price.

02 Does Zilliz charge for implementation?

Zilliz implementation is not included in the license cost. For open-source Milvus or Zilliz Cloud's Bring Your Own Cloud (BYOC) option, operational costs can include hardware, setting up dependencies, load balancers, monitoring, capacity planning, and routine maintenance..

03 How much does Zilliz support cost?

Premium support pricing for Zilliz depends on your tier and contract terms. See the sourced cost breakdown above for any verified figures we have.

04 Are there overage or storage costs with Zilliz?

Zilliz Cloud applies a minimum charge for storage (1 hour for cluster/volume, 1 day for backup) and continues storage charges even if a cluster is suspended..

05 What add-ons cost extra with Zilliz?

Add-on pricing for Zilliz varies by feature. The sourced cost breakdown above lists any verified add-on costs we have.

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