Stack Map/AI Data Infrastructure/Weaviate

Weaviate

Purpose-built VDB#1 of 13 in AI Data Infrastructure

96%

COVERAGE

OSS vector DB with modules; built-in vectorizers; hybrid BM25+vector; generative search; multi-tenancy; GraphQL+REST APIs; 12K+ GitHub stars

Core

4 full, 0 partial of 4

Vector Search

Similarity search over high-dimensional embeddings. ANN algorithms (HNSW, IVF, DiskANN). Query latency, recall accuracy,...

Full

Hybrid Search

Combine vector similarity with keyword/BM25 search in a single query. Fusion algorithms for optimal retrieval.

Full

Metadata Filtering

Filter vector search results by structured metadata (tags, dates, categories). Pre-filtering vs post-filtering approache...

Full

Multi-tenancy

Isolate data between tenants/users/orgs within a single deployment. Namespace, collection, or partition-based isolation.

Full

Operations

4 full, 0 partial of 4

Scale & Performance

Handle billions of vectors. Horizontal scaling, sharding, replication. Benchmark performance at production volumes.

Full

Real-time Ingestion

Stream new vectors in real-time without rebuilding indexes. Support for upserts, deletes, and incremental updates.

Full

Managed Cloud

Fully managed SaaS offering with auto-scaling, backups, and zero-ops. Multi-region and cloud provider support.

Full

Self-hosted / OSS

Deploy on your own infrastructure. Open-source availability, Docker/K8s deployment, data residency compliance.

Full

Ecosystem

3 full, 0 partial of 3

RAG Framework Integration

Native integrations with LangChain, LlamaIndex, Haystack, and other RAG orchestration frameworks. Connectors and plugins...

Full

Embedding Management

Built-in embedding generation, model management, and automatic re-embedding when models change. Embedding versioning.

Full

Multimodal Support

Store and search across text, image, audio, and video embeddings. Cross-modal retrieval capabilities.

Full

Governance

2 full, 1 partial of 3

Security & Compliance

Encryption at rest/transit, RBAC, audit logs, SOC2, HIPAA, GDPR compliance. Enterprise security controls.

Full

Cost Efficiency

Pricing model efficiency at scale. Serverless options, tiered storage, and cost optimization features.

Partial

Developer Experience

SDK quality, documentation, quickstart time, community size, and ecosystem maturity.

Full

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