ChromaDB vs Weaviate (2026)

A detailed comparison of ChromaDB and Weaviate covering features, pricing, platform support, and more.

Verdict

Both ChromaDB and Weaviate are strong options. ChromaDB stands out for fully open source and free, while Weaviate excels at open source with self-hosting option. Your choice depends on your team's workflow and priorities.

Feature Comparison

FeatureChromaDBWeaviate
Open-source embedding databaseYesNo
Simple Python/JS APIYesNo
Metadata filteringYesNo
Local and server modesYesNo
Multi-modal embeddingsYesNo
Automatic embedding generationYesNo
Open-source vector databaseNoYes
Hybrid search (vector + keyword)NoYes
Multi-tenancyNoYes
Built-in vectorization modulesNoYes
GraphQL APINoYes
Self-hosted or cloud optionsNoYes

Pricing Comparison

DetailChromaDBWeaviate
Free TierYesYes
Free Tier DetailsFully open source, self-hosted is freeSandbox cluster for development
Starting PriceFreeFree
Plan 1Cloud (coming soon): $0/monthServerless: $25/month
Plan 2Enterprise: $0/month

Pros & Cons

ChromaDB

Strengths

  • +Fully open source and free
  • +Simplest API of any vector DB
  • +Easy to get started locally
  • +Great for prototyping and small projects

Limitations

  • -Less mature than Pinecone/Weaviate
  • -Limited scaling for production workloads
  • -Fewer enterprise features

Platforms

macwindowslinux
Weaviate

Strengths

  • +Open source with self-hosting option
  • +Built-in vectorization modules
  • +Excellent hybrid search capabilities
  • +Active community and ecosystem

Limitations

  • -Self-hosting requires operational expertise
  • -Steeper learning curve than Pinecone
  • -Cloud pricing can add up

Platforms

macwindowslinux

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