Marqo Vector vs Milvus: Which Should You Choose in 2026?
Choosing between Marqo Vector and Milvus comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
By Toolradar Team · Last updated February 28, 2026 · Methodology
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Marqo Vector
AI-native product discovery for e-commerce, driving higher conversion and revenue.
Best for you if:
- • You need vector databases features specifically
- • AI-powered search and product discovery for e-commerce.
- • Optimizes conversion and revenue through personalized results and automated merchandising.
Milvus
Open-source vector database for AI
Best for you if:
- • You want the higher-rated option (8.6/10 vs 0.0/10)
- • You need something completely free
- • You need managed databases features specifically
- • Milvus is an open-source vector database for AI similarity search
- • It handles billion-scale vector search for recommendation and AI applications
| At a Glance |  Marqo Vector |  Milvus |
|---|---|---|
Price | Paid | Free |
Best For | Vector Databases | Managed Databases |
Rating | —/100 | 86/100 |
| Feature | Marqo Vector | Milvus |
|---|---|---|
| Pricing Model | Paid | Free |
| Editorial Score | — | 86 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Vector DatabasesE-commerce Platforms | Managed DatabasesVector Databases |
How Marqo Vector and Milvus Compare
Marqo Vector
AI-native product discovery for e-commerce, driving higher conversion and revenue.
Paid
Milvus
Open-source vector database for AI
Free · 86/100 score
Marqo Vector is a vector databases tool. Milvus is in managed databases.
Who Should Use What?
On a budget?
Milvus is free. Marqo Vector is paid.
Go with: Milvus
Want the highest-rated option?
Milvus scores 86/100. Marqo Vector is unrated.
Go with: Milvus
Value user reviews?
Neither has user reviews yet.
Go with: Milvus
3 Questions to Help You Decide
What's your budget?
Marqo Vector is paid. Milvus is free. Go with Milvus if free matters most.
What's your use case?
Marqo Vector is a vector databases tool. Milvus is in managed databases. Pick the category that matches your needs.
How important are ratings?
Not all tools have been rated yet.
Key Takeaways
Milvus
- Higher score: 86/100 vs unrated
- Completely free
- Our pick for this comparison
Marqo Vector
- Better fit for vector databases
The Bottom Line
Milvus (86/100) is our pick.
Frequently Asked Questions
Is Marqo Vector or Milvus better?
Milvus scores 86/100 in our evaluation. Marqo Vector is paid and Milvus is free.
What are Marqo Vector and Milvus used for?
Marqo Vector: AI-native product discovery for e-commerce, driving higher conversion and revenue.. Milvus: Open-source vector database for AI.
What does Marqo Vector cost vs Milvus?
Marqo Vector is a paid tool. Milvus is completely free. Visit their websites for detailed pricing.