Head-to-head · Vector Databases
Actian VectorAI DB vs Milvus
Actian VectorAI DB leads on 0 checks, Milvus on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreActian VectorAI DB · 9.0/10
- Free planboth
- Free trialonly Actian VectorAI DB
- Most featuresMilvus · 3 of 3
Actian VectorAI DB scores higher on our rubric for vector databases: 9.0 against 8.8 out of 10; our editors rank them #4 and #6.
Actian VectorAI DB is the better fit for teams needing broad deployment and multimodal inputs. Milvus is the better fit for open-source teams needing maximum vector depth.
- Actian VectorAI DB fits best
Teams needing broad deployment and multimodal inputs
- Milvus fits best
Open-source teams needing maximum vector depth
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Side by side
| Feature | Actian VectorAI DB 9.0/10 Visit ↗ | Milvus 8.8/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.0 | 8.8 |
| Ranking | #4 in Vector Databases | #6 in Vector Databases |
| Best for | Teams needing broad deployment and multimodal inputs | Open-source teams needing maximum vector depth |
| Pricing model | Free plan + paid | Free |
| Starting price | $417/mo | Free plan |
| Free plan | ✓ | ✓ |
| Free trial | 30 days | — |
| Deployment | Desktop, Self-hosted | Cloud, Self-hosted |
| Integrations | 4 integrations | 8 integrations |
| Features Actian VectorAI DB 2/3 · Milvus 3/3 | ||
| Hybrid search | ✓ | ✓ |
| Metadata filtering | ✓ | ✓ |
| Sparse vectors | Not checked yet | ✓ (best) |
| Specs | ||
| Deployment | Both | Both |
| Maximum dimensions | Not checked yet | Not checked yet |
| Index types | HNSW, flat | HNSW, IVF, FLAT, DiskANN, SCANN |
| SDK languages | Python, JavaScript, C++ | Python, Go, Java, Node.js, C++ |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | Actian VectorAI DB is a self-hosted vector database for semantic search, retrieval-augmented generation, recommendations, and AI agent memory. It supports local machines, servers, virtual machines, on-premises infrastructure, self-managed… Read the review → |
Milvus is an open-source vector database for GenAI applications and similarity search. It suits teams building retrieval-augmented generation, image search, multimodal search, and large-scale production systems that need more than a single… Read the review → |
Strengths and trade-offs
Actian VectorAI DB — where it wins
- Dense, hybrid, filtered, and multimodal retrieval support
- Docker, Kubernetes, Helm, and Terraform deployment options
- Free Community plan plus a 30-day trial
Where it doesn't
- Paid pricing is listed for only Starter and Growth
- Community capacity is limited to 5K vectors
- Sparse BM25 scoring is client-side rather than native storage
Milvus — where it wins
- Supports dense, sparse, binary, hybrid, filtered, and reranked search
- Runs locally, with Docker, or across distributed Kubernetes deployments
- Offers broad index coverage and SDKs for Python, Go, Java, Node.js, and C++
Where it doesn't
- Self-hosted deployment places infrastructure and operations work on your team
- Its broad index catalog can make architecture decisions more involved
- Managed cloud is provided separately through Zilliz Cloud
- Actian VectorAI DB9.0/10 · Free plan · 30-day trial
A flexible self-hosted vector database for multimodal and hybrid retrieval.
Visit ActianFull verdict → - Milvus8.8/10 · Free plan
A deep, flexible open-source choice for demanding vector and hybrid search workloads.
Visit MilvusFull verdict →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update







