Zep Memory vs Milvus: Which Should You Choose in 2026?
Choosing between Zep Memory 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:
Zep Memory
Build personalized, fast, and reliable AI agents with comprehensive, evolving memory.
Best for you if:
- • You need ai agents features specifically
- • Provides comprehensive, evolving memory for AI agents.
- • Unifies chat history, business data, and user interactions into a temporal knowledge graph.
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 |  Zep Memory |  Milvus |
|---|---|---|
Price | Free + Paid | Free |
Best For | AI Agents | Managed Databases |
Rating | —/100 | 86/100 |
| Feature | Zep Memory | Milvus |
|---|---|---|
| Pricing Model | Freemium | Free |
| Editorial Score | — | 86 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | AI AgentsVector Databases | Managed DatabasesVector Databases |
How Zep Memory and Milvus Compare
Zep Memory
Build personalized, fast, and reliable AI agents with comprehensive, evolving memory.
Free tier available
Milvus
Open-source vector database for AI
Free · 86/100 score
Zep Memory is a ai agents tool. Milvus is in managed databases.
Who Should Use What?
On a budget?
Milvus is free. Zep Memory is freemium.
Go with: Milvus
Want the highest-rated option?
Milvus scores 86/100. Zep Memory 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?
Zep Memory is freemium. Milvus is free. Go with Milvus if free matters most.
What's your use case?
Zep Memory is a ai agents 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
Zep Memory
- Better fit for ai agents
The Bottom Line
Milvus (86/100) is our pick.
Frequently Asked Questions
Is Zep Memory or Milvus better?
Milvus scores 86/100 in our evaluation. Zep Memory is freemium and Milvus is free.
What are Zep Memory and Milvus used for?
Zep Memory: Build personalized, fast, and reliable AI agents with comprehensive, evolving memory.. Milvus: Open-source vector database for AI.
What does Zep Memory cost vs Milvus?
Zep Memory is freemium (free tier + paid plans). Milvus is completely free. Visit their websites for detailed pricing.