Is Zilliz or Marqo better?

Neither clearly leads. Zilliz starts at Free and Marqo at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.

Which is cheaper, Zilliz or Marqo?

Zilliz has a free tier; the other does not. Paid plans start at Free for Zilliz and On request for Marqo.

Does Zilliz or Marqo run on more platforms?

Zilliz runs on Cloud, Self-hosted. Marqo runs on Web API, SaaS.

Can I use Zilliz for free?

Yes. Zilliz has a free tier, so you can try it without paying. Marqo starts at On request.

What is Zilliz best used for?

Zilliz is most often used for build retrieval-augmented generation (rag) systems, implement semantic search over documents, create multimodal search with text and images, power recommendation engines with vector similarity. Of those, build retrieval-augmented generation (rag) systems and implement semantic search over documents are not what Marqo is typically brought in for.

What can Zilliz do that Marqo cannot?

Zilliz covers Vector indexing, Distributed architecture, SQL interface, Tensor support. Marqo covers Semantic search, Multimodal image search, AI model training, Automated merchandising.

Databases · head to head

Zilliz vs Marqo

Zilliz

Databases

Managed vector database and vector lakebase for AI applications

From: Free
Rated: -

Full review Website

Marqo

Databases

AI-native product discovery platform for ecommerce

From: On request
Rated: -

Full review Website

The short version

Only Zilliz has a free tier, so it costs nothing to try first.
Each has a real cost: Zilliz pricing structure not publicly disclosed, requires sales contact; Marqo pricing not publicly available, enterprise sales-only model
They diverge on capability: Zilliz covers Vector indexing, Marqo covers Semantic search.

Where they differ

Only the attributes on which Zilliz and Marqo actually diverge.

Attributes where Zilliz and Marqo differ
Attribute	Zilliz	Marqo
Starting price	Free	On request
Free tier	Yes	No
Platforms	Cloud, Self-hosted	Web API, SaaS
Founded	2017	2022

Identical on both: pricing model (contact-sales), user rating (Not yet rated), category (Databases).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Zilliz

Vector indexing
Distributed architecture
SQL interface
Tensor support
Real-time search
Cloud-native
Open-source compatible

Only in Marqo

Semantic search
Multimodal image search
AI model training
Automated merchandising
Multi-surface integration
Commerce platform integrations
API access

What people use each for

The jobs each tool is most often brought in to do.

Zilliz

Build retrieval-augmented generation (RAG) systemsnot Marqo
Implement semantic search over documentsnot Marqo
Create multimodal search with text and imagesnot Marqo
Power recommendation engines with vector similaritynot Marqo
Enable similarity search on user embeddingsnot Marqo

Marqo

Improve search revenue for fashion and beauty retailersnot Zilliz
Implement multimodal image and product searchnot Zilliz
Increase checkout conversion through better product discoverynot Zilliz
Create personalized product recommendationsnot Zilliz
Reduce customer support inquiries with relevant search resultsnot Zilliz

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Zilliz

Pricing structure not publicly disclosed, requires sales contact
Operational complexity for self-hosted Milvus deployments
Learning curve for those unfamiliar with vector databases
Limited built-in analytics compared to some alternatives

Marqo

Pricing not publicly available, enterprise sales-only model
Requires custom implementation and integration work
Limited to ecommerce use cases compared to general search
Model training requires sufficient customer behavior data

Pricing, plan by plan

Zilliz

Free

No published plan breakdown. See the Zilliz review.

Marqo

On request

No published plan breakdown. See the Marqo review.

Which should you pick?

Choose Zilliz if

You need vector indexing.
You want to start without paying.
You work on Cloud, Self-hosted.
You also want distributed architecture.

Zilliz review

Choose Marqo if

You need semantic search.
You work on Web API, SaaS.
You also want multimodal image search.

Marqo review

Questions people ask

Is Zilliz or Marqo better?: Neither clearly leads. Zilliz starts at Free and Marqo at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Zilliz or Marqo?: Zilliz has a free tier; the other does not. Paid plans start at Free for Zilliz and On request for Marqo.
Does Zilliz or Marqo run on more platforms?: Zilliz runs on Cloud, Self-hosted. Marqo runs on Web API, SaaS.
Can I use Zilliz for free?: Yes. Zilliz has a free tier, so you can try it without paying. Marqo starts at On request.
What is Zilliz best used for?: Zilliz is most often used for build retrieval-augmented generation (rag) systems, implement semantic search over documents, create multimodal search with text and images, power recommendation engines with vector similarity. Of those, build retrieval-augmented generation (rag) systems and implement semantic search over documents are not what Marqo is typically brought in for.
What can Zilliz do that Marqo cannot?: Zilliz covers Vector indexing, Distributed architecture, SQL interface, Tensor support. Marqo covers Semantic search, Multimodal image search, AI model training, Automated merchandising.

Answered from the vendors’ own pages

Zilliz: What is the difference between Milvus and Zilliz Cloud?

Milvus is the open-source vector database that you can self-host. Zilliz Cloud is the fully managed service built on Milvus that removes operational overhead and handles scaling automatically.

Source

Marqo: How do Marqo models get trained?

Marqo trains dedicated AI models on each retailer's product catalog and customer behavior data including clicks, purchases, and browsing patterns. This ensures models are optimized for the specific retailer's products and customers.

Source

Zilliz: How many vectors can Zilliz handle?

Milvus and Zilliz Cloud can store and search billions of vectors through their distributed architecture that separates storage and compute layers.

Source

Marqo: What results can retailers expect from Marqo?

Enterprise retailers using Marqo report 10-23% increases in search revenue and conversion rates, with proven results across fashion, beauty, electronics, and home goods.

Source

Zilliz: Is Milvus open-source?

Yes, Milvus is open-source under the Apache License 2.0 and is part of the LF AI & Data Foundation.

Source

Marqo: Which ecommerce platforms does Marqo integrate with?

Marqo has native integrations with Shopify, Adobe Commerce (Magento), and Salesforce Commerce Cloud, and also provides API access for custom implementations.

Source

Zilliz: What pricing does Zilliz Cloud offer?

Zilliz Cloud pricing is not publicly listed and requires contacting their team to discuss your specific scale and use case requirements.

Source

Marqo: How is Marqo priced?

Marqo pricing is customized based on catalog size, search volume, and feature requirements. Contact their sales team to book a demo and discuss pricing.

Source

Zilliz vs Marqo

Zilliz

Marqo

The short version

Where they differ

What each one covers

Only in Zilliz

Only in Marqo

What people use each for

Zilliz

Marqo

Where each one falls short

Zilliz

Marqo

Pricing, plan by plan

Zilliz

Marqo

Which should you pick?

Choose Zilliz if

Choose Marqo if

Questions people ask

Answered from the vendors’ own pages

Related pages

More on Zilliz

More on Marqo

Keep looking

Other head to heads