Vector Databases

An independent, evidence-based ranking of 19 vector databases, scored on public signals with full provenance, never on user reviews or paid placement.

Machine formatsMarkdownJSONGraphQLAll open, no key required.
Top signal weightsDevelopment activity 0.14Developer Q&A activity 0.14Security posture 0.12Capabilities 0.12
Rank by intent
Ranking basisMost adoptedDeveloper Q&A activity 0.18Development activity 0.12Security posture 0.11Capabilities 0.10

Same facts, re-weighted. Only the weighting changes, never the underlying evidence.

Vector Databases ranked by vioscaleAI composite score
#SoftwareScoreConfidence
166Chroma66medium · 69%
262WeaviateA vector database platform designed for building AI-powered semantic search applications62medium · 72%
361txtaiAn integrated AI framework for vector search, language model orchestration, and semantic workflow automation61medium · 56%
460LanceDBOpen-source vector database for fast, multimodal AI applications with hybrid search capabilities60medium · 54%
559Deep LakeServerless multimodal data platform designed for AI and LLM applications, offering unified storage, search, and management of diverse data types including embed59low · 40%
658MilvusAn open-source vector database optimized for large-scale similarity search in GenAI applications58medium · 57%
756QdrantA vector database for storing, searching, and managing high-dimensional vectors with filtering and payload support56medium · 66%
855Faiss55low · 34%
951InfinityA database system purpose-built for AI and machine learning applications, enabling fast retrieval across vector, tensor, and text-based searches51low · 40%
1047Vald47low · 34%
1180Zilliz CloudA fully managed cloud service for storing, indexing, and searching high-dimensional vector data at scale80medium · 73%
1275PineconeManaged vector database infrastructure for machine learning applications75medium · 72%
1374UpstashServerless data platform combining in-memory storage, vector search, messaging, and workflow orchestration in one managed service74medium · 71%
1468TurbopufferA database combining vector similarity and text search built on cloud storage68medium · 61%
1565EpsillaCreate AI agents without needing engineering resources65low · 29%
1656NucliaDBAgentic RAG Platform for AI Agents and LLMs56low · 49%
1755MyScale55low · 43%
1847KDB.AIA vector database designed for generative AI applications that combines vector search with time-series data capabilities47low · 24%
1940MarqoAn AI-powered ecommerce search platform that learns from customer behavior to deliver personalized, accurate product discovery.40low · 30%
No tools on this page match that name.

Ranked by the vioscaleAI composite: independent signals, not user reviews. See the method.

Vector Databases compared

Head-to-head on the attributes that matter here, with a source and date on every value.

Vector Databases: common questions

How does vioscaleAI rank Vector Databases?

vioscaleAI ranks vector databases on a confidence-weighted blend of independent signals, weighted most on development activity, developer q&a activity, security posture. Scores come from public evidence such as adoption, activity and security posture, never from user reviews or paid placement.

What is the highest-scored tool in Vector Databases?

Chroma currently leads with a vioscaleAI composite score of 66/100. The full ranking, with the evidence behind every score, is on this page.

How many tools does vioscaleAI list in Vector Databases?

vioscaleAI currently lists 19 in Vector Databases, each with a dated, sourced profile.

Can a vendor pay to rank higher in Vector Databases?

No. Vendors can claim and correct their profile, but placement can never be bought. That independence is what makes the ranking trustworthy for buyers and AI.