Zilliz review

Updated September 28, 2026 · DeployCue Editorial Team · Facts checked September 26, 2026

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Our verdict

Zilliz Cloud is a managed home for teams that want vector search up and running without running the engine themselves. It suits developers building retrieval and similarity features, and it offers a free tier alongside its Milvus engine. The trade-off: one engine only, so it is a specialist pick rather than a general database menu.

Key facts

Best for
Teams that need managed vector search and can commit to a single engine.
Database engines
Milvus↗
Free tier
Yes↗
Headquarters
United States↗
Founded
2017↗
Support channels
Help-centre, Community↗
Official website
zilliz.com

Facts checked September 26, 2026, 4 sources

Apps and profiles

Elsewhere
LinkedIn

Listed in

Pros and cons

Pros

  • A free tier makes small retrieval projects cheap to start on Milvus
  • Milvus is handled for you, so there is no cluster to size or tune
  • Support runs through help centre and community, which suits self-serve developers
  • A US base (US) aligns with the team that builds Milvus

Cons

  • The engine list is Milvus, so there is no second engine to fall back on
  • Support is limited to help centre and community, with no live channel listed
  • It sits beside broader menus such as MySQL, PostgreSQL and MongoDB and Kafka, PostgreSQL and OpenSearch, which suit general workloads
Zilliz

Ready to try Zilliz?

Scored 8.8 / 10 by DeployCue.

Who it suits

  • Teams prototyping retrieval, recommendations or similarity search on a free tier
  • Developers already working with Milvus who want a managed service
  • Small teams that would rather not run a vector index themselves

Who should look elsewhere

  • Teams needing several engines in one place, where Kafka, PostgreSQL and OpenSearch or MySQL, PostgreSQL and MongoDB fit better
  • General relational or document workloads, which suit PostgreSQL, Redis and Kafka
  • Anyone wanting a named live support channel beyond help centre and community

Who runs it

Zilliz was founded in 2017 and is headquartered in the United States. It is the company behind Milvus, the open source vector engine it hosts, which is why the managed service tracks that project's direction closely. Support reaches you through help centre and community, so documentation and peer answers do most of the work rather than a staffed desk. Buyers who want a vendor tied to the engine itself are in the right place here.

Frequently asked questions

What engine does Zilliz Cloud run?+

The service runs Milvus and nothing else in its engine list. That keeps things focused for retrieval work and means the managed service follows the same project you would otherwise install yourself. Teams wanting several engines side by side will need a different kind of provider.

Is there a free tier?+

Yes, a free tier is available, which is the easiest way to test a retrieval feature before paying. Combined with the single Milvus engine, it gives small teams room to prove an idea. Larger production indexes move onto paid capacity once traffic grows.

Where is Zilliz based?+

The company sits in US and was founded in 2017. Being the team behind the engine it hosts means product direction and the managed service tend to move together, which matters for anyone planning a long term commitment.

What support options exist?+

Support runs on help centre and community. That is a documentation and community route rather than a staffed desk, so it favours developers comfortable searching issues and forums. Teams that need a named live channel for incidents should weigh that before signing up.

Who is Zilliz Cloud for?+

It fits teams building vector search, recommendations or similarity matching, especially on a free tier at the start. The managed side removes cluster sizing and index tuning work, so a small team can ship retrieval features quickly. It is a specialist choice rather than a general database menu.

How does it compare with a multi engine provider?+

A provider such as Aiven covers Kafka, PostgreSQL and OpenSearch while Zilliz stays with Milvus. If your roadmap is purely vector, the single engine keeps the setup small. If queues, search and relational stores are also on the list, a broader menu serves better.

Is a vector database the right pick for a general app database?+

Not usually. Zilliz Cloud is a vector service, so a team that also needs ordinary tables or document storage will want a provider covering MySQL, PostgreSQL and MongoDB or PostgreSQL, Redis and Kafka alongside it. Treat Zilliz as the retrieval layer in a wider stack.

Sources

  • zilliz.com checked September 26, 2026

    Backs: Support channels

    “Support Portal”

  • zilliz.com/about checked September 26, 2026

    Backs: Founded

    “2017 Founded”

  • zilliz.com/contact-sales checked September 26, 2026

    Backs: Headquarters

    “Redwood City, California Headquarters”

  • zilliz.com/zilliz-cloud-free-tier checked September 26, 2026

    Backs: Database engines, Free tier

    “Built on Milvus, the most widely adopted open source vector database”

Compiled from 4 source pages, checked September 26, 2026. We did not open an account.

Not confirmed yet: Price from.

Zilliz

Zilliz

Teams that need managed vector search and can commit to a single engine.

8.8/10See alternatives