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Head-to-head · Vector Databases

Actian VectorAI DB vs Milvus

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Actian VectorAI DB #4 in Vector Databases 9.0/10 Free plan · 30-day trial Free planFree trial✓ 2 of 3 features Visit Actian
Milvus #6 in Vector Databases 8.8/10 Free plan Free plan✓ 3 of 3 features Visit 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

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

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
  • Dense, hybrid, filtered, and multimodal retrieval support
  • Docker, Kubernetes, Helm, and Terraform deployment options
  • Free Community plan plus a 30-day trial
  • 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++
Cons
  • 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
  • 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
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 →
  1. Actian VectorAI DBVector Databases 9.0Free plan · 30-day trial
  2. MilvusVector Databases 8.8Free plan

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 →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update