Comparison

Chroma vs Milvus

On the evidence we track, Chroma leads this comparison with a composite score of 65/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLAll open, no key required.
Chroma65
Milvus58
Score
vioscaleAI score
Chroma65 / 100medium · 70%
Milvus58 / 100medium · 57%
Pricing
Free tier
Chroma
Milvus
Model
Milvusfree
Price level
Chromalow
Milvusfree
Transparent
Chroma
Milvus
Integrations
Count
Chroma
Milvus7
Reliability
Status page
Chroma
Milvus
Adoption
Dependent repos
Chroma6,246
Milvus7
Github stars
Chroma29,270
Milvus46,047
Package downloads weekly
Chroma2,592,643
Milvus
Activity
Commits last 30d
Chroma35
Milvus100
Release
Cadence days
Chroma4
Milvus10
History
Chroma20 items
Milvus20 items
License
Spdx
Language
Primary
ChromaRust
MilvusGo
Market
Content
Faq
Chroma7 items
Milvus6 items

Capabilities

Feature-by-feature on the axes that matter for vector databases. “-” means undocumented, not absent.

Deployment
Deployment
ChromaSelf-hosted
MilvusSelf-hosted
Serverless / consumption pricing
Chroma
Milvus
Index
ANN index (HNSW / IVF / DiskANN / ScaNN / flat)
Chroma-
MilvusHNSW, IVF, FLAT, SCANN, DiskANN, GPU_CAGRA
Distance metrics (cosine / dot / Euclidean)
Chroma-
Milvuscosine, Euclidean, dot product
Query
Metadata filtering
ChromaPre-filter
MilvusPre-filter
Hybrid search (dense + sparse fusion)
Chroma
Milvus
Built-in BM25 / lexical
Chroma
Milvus
Storage
Quantization
Chroma-
MilvusProduct
On-disk vs in-memory
ChromaTiered
MilvusDisk-backed
Scale
Multi-tenancy (namespaces / collections / tenants)
Chroma
Milvus
Horizontal scale
ChromaSharded / distributed
MilvusSharded / distributed
Consistency
Consistency
Chroma-
MilvusEventual
Licensing
Licence class
ChromaPermissive OSS
MilvusPermissive OSS
Classification
Purpose-built vs feature-of-parent
ChromaDedicated DBMS
MilvusDedicated DBMS

What each one is

The product in its own terms, so the numbers below have context.

Chroma

Leader

A search system enabling simultaneous vector similarity, full-text, and structured metadata queries across large datasets. Deployable as open-source self-hosted infrastructure or managed cloud service with usage-based pricing, supporting multi-tenant workloads and distributed scaling.

Independently observed

Milvus

A high-performance, distributed vector database that enables fast similarity search across billions of high-dimensional vectors, supporting real-time updates, flexible metadata filtering, and hybrid search capabilities for AI and machine learning applications.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Chroma

Leader
from $0.01/moHybridFree tier

Freemium model with usage-based metering. Starter plan free with $5 credits; Team plan $250/month plus metered charges with $100 included credits; Enterprise with custom pricing.

  • StarterFree
    • 10 databases
    • 10 team members
    • Community Slack
  • Team$250/month with $100 included credits, plus overage metering
    • 100 databases
    • 30 team members
    • Slack support
    • SOC II compliance
    • Volume-based discounts
  • EnterpriseContact sales
    • Unlimited databases
    • Unlimited team members
    • Dedicated support
    • Single tenant clusters
    • BYOC clusters
    • +1 more
as of verify ↗

Milvus

FreeFree tier

Open-source and available for free. Managed hosting available through Zilliz Cloud.

as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Chroma
Milvus
Linux
Chroma
Milvus
CLI
Chroma
Milvus
Deployment
Cloud / SaaS
Chroma
Milvus
Self-hosted
Chroma
Milvus
Hybrid
Chroma
Milvus

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Chroma

Leader

Not documented yet.

Milvus

8 total
  • OpenAI
  • Sentence Transformers
  • BGE-M3
  • SPLADE
  • Jina AI
  • BM25
  • PyMilvus
  • Jina
Independently observed
Still deciding?

Chroma or Milvus: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.