by Weaviate B.V. · founded 2019 · updated Sep 2026
Weaviate is an open-source vector database with built-in hybrid search, multi-tenancy and a module system that plugs into every major embedding provider. Run it yourself or use Weaviate Cloud; a strong middle path between control and convenience.
Fixed weights, sources attached, the formula
Each score is built from the claims below. This is a snapshot, so check the current terms with the vendor before you commit to anything.
3 of 5 claims below are past their re-check window. Pricing, availability and security details move fast, so confirm those with the vendor.
| Claim | Source | Checked |
|---|---|---|
| BSD-3 licensed core with 12K+ GitHub stars· re-check | GitHub repository | Sep 2025 |
| Native multi-tenancy supports millions of tenants per cluster· re-check | Weaviate documentation | Mar 2025 |
| $50M Series B (2024) at a $200M valuation· re-check | Startup funding trackers | Nov 2024 |
| The $25/mo Serverless tier was retired in October 2025; current Cloud tiers are Flex ($45/mo min, shared infra, 99.5% SLA), Plus ($280/mo annual, 99.9% SLA, SOC 2), and custom-priced Premium (BYOC, HIPAA-eligible) | Weaviate pricing page ↗ | Sep 2026 |
| Weaviate Cloud is SOC 2 audited (Plus tier and above); Enterprise Cloud on AWS is HIPAA-eligible | Weaviate trust page ↗ | Sep 2026 |
Funding and adoption data show Pinecone consolidating compliance-sensitive enterprise workloads while Qdrant and Weaviate grow fastest among self-hosting startups. Choose by ops capacity, not hype.
Multiple evaluations found document parsing quality moves retrieval accuracy more than embedding model choice, validating investment in parsing layers like LlamaParse before swapping vector stores.
Pinecone Systems
Fully managed serverless vector database for production AI search.
Qdrant Solutions
Rust-powered open-source vector search engine tuned for performance.