vioscale
Comparison

Chroma vs Milvus

On the evidence we track, Chroma leads this comparison with a composite score of 70/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Chroma full profile →Milvus full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Attribute comparison across 2 tools
Attribute70ChromaLeader68Milvus
Vioscale score70 / 100low · 45%68 / 100low · 25%
Commits last 30d81100
Github stars28,91545,440
Package downloads weekly2,914,029-
Options{"cloud":true,"self_hosted":true}{"cloud":true,"hybrid":true,"self_hosted":true}
LongFast, serverless, and scalable infrastructure supporting vector, full-text, regex, and metadata search across terabytes of data. Built on object storage and trusted by millions of developers.Milvus is an open-source vector database built for GenAI applications, enabling high-speed similarity search and scaling to tens of billions of vectors with minimal performance loss.
Capabilities{"deployment":"managed","serverless":true,"storage_tier":"disk_backed","hybrid_search":true,"licence_class":"permissive_oss","multi_tenancy":true,"product_class":"dedicated_dbms","full_text_bm25":true,"horizontal_scale":"sharded_distributed","metadata_filtering":"pre_filter"}{"deployment":"self_hosted","serverless":true,"storage_tier":"disk_backed","hybrid_search":true,"licence_class":"permissive_oss","product_class":"dedicated_dbms","horizontal_scale":"sharded_distributed"}
PrimaryRustGo
SpdxApache-2.0Apache-2.0
Availability{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}-
Support{"cli":true,"web":true}{"mac":true,"linux":true,"windows":true}
Pricing{"type":"usage","plans":[{"free":true,"name":"Starter","summary":"$0/month + usage","features":["10 databases","10 team members","$5 free credits"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"GiB"},"kind":"metered","amount":0,"currency":"USD"},{"per":{"qty":1,"unit":"GiB"},"kind":"metered","amount":2.5,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"TiB"},"kind":"metered","amount":0.0075,"currency":"USD"},{"per":{"qty":1,"unit":"GiB"},"kind":"metered","amount":0.09,"currency":"USD"}],"description":"Get up and running quickly. Free credits then usage-based pricing.","contactSales":false,"includedLimits":{"databases":"10","team_members":"10"}},{"free":false,"name":"Team","summary":"$250/month + usage","features":["100 databases","30 team members","$100 included credits","Slack support","SOC II"],"components":[{"kind":"fixed","amount":250,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"GiB"},"kind":"metered","amount":0,"currency":"USD"},{"per":{"qty":1,"unit":"GiB"},"kind":"metered","amount":2.5,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"TiB"},"kind":"metered","amount":0.0075,"currency":"USD"},{"per":{"qty":1,"unit":"GiB"},"kind":"metered","amount":0.09,"currency":"USD"}],"description":"Scale your production use cases. $100 credits then usage-based pricing.","contactSales":false,"includedLimits":{"databases":"100","team_members":"30"}},{"free":false,"name":"Enterprise","summary":"Custom pricing","features":["Unlimited databases","Unlimited team members","Dedicated support","Single tenant clusters","BYOC clusters","SLAs"],"description":"For organizations prioritizing security, scale, support, and confidence.","contactSales":true}],"summary":"From free (Starter with $5 credits) or $250/month (Team). Usage-based: $0 write, $2.50/GiB storage, $0.0075/TiB query, $0.09/GiB network.","currency":"USD","freeTier":true,"sourceUrl":"https://www.trychroma.com","retrievedAt":"2026-08-05T13:09:33.762Z","startingPrice":{"amount":0,"period":"month","currency":"USD"},"billingPeriods":["month"]}{"type":"open_source","summary":"Open-source with optional managed Zilliz Cloud (serverless and dedicated cluster; free trial available)","freeTier":true,"sourceUrl":"https://milvus.io","retrievedAt":"2026-08-05T13:26:39.808Z"}
Free tierYesYes
Modelcommercialopen_source
Price levelfreefree
Starting gbp0-
TransparentYesYes
Cadence days45
Status pageYes-
GdprYes-
Soc2Yes-

Capabilities

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

Capability comparison for Vector Databases
CapabilityChromaMilvus
Deployment
DeploymentManagedSelf-hosted
Serverless / consumption pricing✓✓
Index
ANN index (HNSW / IVF / DiskANN / ScaNN / flat)--
Distance metrics (cosine / dot / Euclidean)--
Query
Metadata filteringPre-filter-
Hybrid search (dense + sparse fusion)✓✓
Built-in BM25 / lexical✓-
Storage
Quantization--
On-disk vs in-memoryDisk-backedDisk-backed
Scale
Multi-tenancy (namespaces / collections / tenants)✓-
Horizontal scaleSharded / distributedSharded / distributed
Consistency
Consistency--
Licensing
Licence classPermissive OSSPermissive OSS
Classification
Purpose-built vs feature-of-parentDedicated DBMSDedicated DBMS

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