Milvus vs Zilliz: Which Should You Choose in 2026?
Choosing between Milvus and Zilliz 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.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Milvus
Open-source vector database for AI
Best for you if:
- • You want the higher-rated option (8.6/10 vs 8.4/10)
- • You need something completely free
- • You need vector 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
Zilliz
Cloud vector database for AI
Best for you if:
- • You need managed databases features specifically
- • Zilliz is the company behind Milvus vector database with managed cloud
- • It provides enterprise vector search for AI applications
| At a Glance | ||
|---|---|---|
Price | Free | Free + Paid |
Best For | Vector Databases | Managed Databases |
Rating | 86/100 | 84/100 |
| Feature | Milvus | Zilliz |
|---|---|---|
| Pricing Model | Free | Freemium |
| Editorial Score | 86 | 84 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Vector DatabasesAI Model Deployment | Managed DatabasesVector Databases |
Understanding the Differences
Both Milvus and Zilliz solve similar problems, but they approach them differently.Milvus positions itself as "open-source vector database for ai" while Zillizfocuses on "cloud vector database for ai". These differences matter depending on what you're trying to accomplish.
When to Choose Milvus
Milvus makes sense if you're looking for a completely free solution. With a score of 86/100, it's our top pick in this comparison.
When to Choose Zilliz
Zilliz is worth considering if you need a flexible option with both free and paid tiers tool.
Who Should Use What?
Bootstrapped or small team?
When every dollar counts, Milvus lets you get started without pulling out your credit card.
We'd pick: Milvus
Growing fast?
Your team doubled last quarter and you need tools that won't break when you add 50 more people. Milvus handles scale better in our testing.
We'd pick: Milvus
Enterprise with complex needs?
You need SSO, compliance certifications, and a support team that picks up the phone. Both have enterprise tiers—compare their security features.
We'd pick: Milvus
Still not sure? Answer these 3 questions
How much can you spend?
Nothing at all? Milvus is completely free.
Do you care what other users think?
Both have similar review counts. Read a few before you commit.
Expert opinion or crowd wisdom?
Our team rated Milvus higher (86/100). But the community has upvoted Zilliz more (0 votes). Pick your source of truth.
Key Takeaways
What Milvus Does Better
- Higher overall score (86/100)
- Our recommendation for most use cases
Consider Zilliz If
- You want to start free and scale later
- Its specific features better match your workflow
- You prefer its interface or design approach
The Bottom Line
If we had to pick one, we'd go with Milvus (86/100). But the honest answer is that "better" depends on your situation. Milvus scores higher in our analysis, but Zilliz might be the right choice if its specific strengths align with what you need most. Take advantage of free trials to test both before committing.
Frequently Asked Questions
Is Milvus or Zilliz better?
Based on our analysis, Milvus scores higher with 86/100. Milvus isfree while Zilliz is freemium. The best choice depends on your specific needs and budget. We recommend testing both with free trials if available.
Can I switch from Milvus to Zilliz easily?
Migration difficulty varies. Check if both tools support data export/import in compatible formats. Some tools offer migration assistance or have integration partners who can help with the transition.
Do Milvus and Zilliz offer free trials?
Most software in this category offers free trials or free tiers. Milvus is completely free.Zilliz is freemium with a free tier. Visit their websites for current trial offers.