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Vector database built for scalable similarity search Open-source, highly scalable, and blazing fast.

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Which is more popular?
Based on our record, Milvus seems to be more popular. It has been mentioned 40 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | github.com | trystackd.com |
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| Company | 2019 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Milvus is a highly flexible, reliable, and blazing-fast cloud-native, open-source vector database. It powers embedding similarity search and AI applications and strives to make vector databases accessible to every organization. Milvus can store, index, and manage a billion+ embedding vectors...
No description of Stackd yet.
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Milvus is ideal for data scientists, AI researchers, and engineers who require efficient and scalable vector search solutions. It is also recommended for companies and projects dealing with recommendation systems, image and video search, natural language processing, and more.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
End to End Tutorial on Milvus Lite
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Milvus and Stackd. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


More engines. The engine abstraction is clean, adding a new one means implementing four methods (initialize, upsert, search, count). Weaviate, Chroma, and Milvus are very interesting candidates. I should evaluate if they fit the... - Source: dev.to / 5 months ago
Weaviate and Milvus: Additional open-source options. - Source: dev.to / about 1 year ago
If you like this tutorial, show your support by giving our Milvus GitHub repo a star ⭐—it means the world to us and inspires us to keep creating! 💖. - Source: dev.to / over 1 year ago
Tracking Stackd since Mar 2026.
When comparing Milvus and Stackd, you can also consider the following products.

Search through billions of items for similar matches to any object, in milliseconds. It’s the next generation of search, an API call away.
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