Is Milvus / Zilliz Cloud better than Weaviate in 2026?

It depends on your needs. Both rated 4.4/5 by users. Milvus / Zilliz Cloud excels at milvus is an open-source vector database designed for billion-scale similarity search, maintained by zilliz., while Weaviate focuses on open-source vector database with multi-modal search, structured filtering, and built-in vectorization.. Milvus / Zilliz Cloud starts at free tier; Weaviate starts at free tier.

Which is cheaper, Milvus / Zilliz Cloud or Weaviate?

Milvus / Zilliz Cloud starts at free tier; Weaviate starts at free tier. Milvus / Zilliz Cloud has a free plan, and Weaviate also offers a free tier.

Can I migrate from Milvus / Zilliz Cloud to Weaviate?

Most users can switch between these tools. Weaviate supports data import from Milvus / Zilliz Cloud. Plan 1-3 days for migration depending on data volume and team size.

What are the key differences between Milvus / Zilliz Cloud and Weaviate?

Milvus / Zilliz Cloud uniquely offers Distributed Architecture, Billion-Scale Vectors, ANNS Algorithms (HNSW, IVF, DiskANN). Weaviate uniquely offers Hybrid Search (BM25 + Vector), Multimodal Support, GraphQL API. Both share 2 features including Open Source (Apache 2.0), LangChain Integration. Milvus / Zilliz Cloud starts at free tier; Weaviate starts at free tier. Founded in 2017 and 2019 respectively.

When was this Milvus / Zilliz Cloud vs Weaviate comparison last updated?

This comparison was last updated on May 13, 2026. We review and refresh our comparisons regularly to reflect the latest pricing, features, and ratings from Milvus / Zilliz Cloud and Weaviate.

Home›Vector Databases›Compare›Milvus / Zilliz Cloud vs Weaviate

Updated May 13, 2026 · Independent Analysis

Milvus / Zilliz CloudvsWeaviate

Capability Overview

Milvus / Zilliz Cloudvs Weaviate

★ 4.4/5

Only in Milvus / Zilliz Cloud

✦ Distributed Architecture
✦ Billion-Scale Vectors
✦ ANNS Algorithms (HNSW, IVF, DiskANN)

✓ Free plan5k+ users · est. 2017

View Full Review Try Milvus / Zilliz Cloud Free

Weaviatevs Milvus / Zilliz Cloud

★ 4.4/5

Only in Weaviate

✦ Hybrid Search (BM25 + Vector)
✦ Multimodal Support
✦ GraphQL API

✓ Free plan5k+ users · est. 2019

View Full Review Try Weaviate Free

Pricing Features Pros & Cons At a Glance FAQ Related

Pricing Intelligence

Milvus / Zilliz Cloud Plans

Free tier available

Milvus Open Source0

Open Source

• Full features
• Apache 2.0
• Community support

Zilliz Cloud Serverless

Custom

• From $0.1/CU-hr
• Managed Milvus
• Auto-scaling

Enterprise

Custom

• Dedicated clusters
• SLA
• Private VPC

Full Milvus / Zilliz Cloud Pricing Breakdown →

Weaviate Plans

Free tier available

Open Source0

Open Source

• Full features
• Community support
• Apache 2.0

Serverless

Custom

• From $0.045/1M vectors
• Managed cloud
• No ops overhead

Enterprise Dedicated

Custom

• Custom deployment
• SLA
• Dedicated support

Full Weaviate Pricing Breakdown →

Feature Matrix

1 differences found across 10 standardized features

Feature

Milvus / Zilliz Cloud

Weaviate

GPU Acceleration

✓

✗

Total (raw)

Pros & Cons Face-Off

Evaluative strengths and weaknesses — not feature lists

Milvus / Zilliz Cloud

Pros

+CNCF project — battle-tested for billion-scale workloads
+GPU acceleration and DiskANN for cost-efficient large-scale search
+Distributed architecture with independent storage/compute scaling
+Multi-vector search supports complex AI use cases

Cons

−Operational complexity — requires Kubernetes expertise for self-hosted
−Overkill for small-scale RAG applications

Weaviate

Pros

+Open source with managed cloud option gives deployment flexibility
+Built-in vectorizers reduce pipeline complexity
+Knowledge graph cross-references unique in category
+Active community and excellent documentation

Cons

−GraphQL API has steeper learning curve
−Performance benchmarks trail Qdrant at very high scale

At a Glance

User Rating

4.4/5vs4.4/5

Milvus / Zilliz Cloud

Weaviate

Starting Price

Pay-per-usevsPay-per-use

Milvus / Zilliz Cloud

Weaviate

Feature Count

16 featuresvs16 features

Milvus / Zilliz Cloud

Weaviate

User Base

5vs5

Milvus / Zilliz Cloud

Weaviate

Frequently Asked Questions

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Authored by Oleh KemExpert verified·Updated May 13, 2026·Our methodology