Ranked by AgentRank — adoption proof, trust evidence, and protocol readiness
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| # | Tool | AgentRank | Trust | Verified / signal | Velocity | Protocols |
|---|---|---|---|---|---|---|
| Qdrant | 51 | 47 | ★ 35k | +490 ★/30d | API, SDK | |
| Chroma | 51 | 47 | ★ 30k | +187 ★/30d | API, SDK | |
| ParadeDB | 51 | 47 | ★ 9.5k | +121 ★/30d | API, SDK | |
| Weaviate | 51 | 47 | ★ 17k | +74 ★/30d | API, SDK | |
| FalkorDB | 51 | 47 | ★ 11k | +753 ★/30d | API, SDK | |
| Vespa | 51 | 47 | ★ 7.2k | +43 ★/30d | API, SDK | |
| pgvector | 51 | 47 | ★ 24k | +339 ★/30d | API, SDK | |
| LanceDB | 51 | 47 | ★ 12k | +259 ★/30d | API, SDK | |
| Typesense | 51 | 47 | ★ 27k | +285 ★/30d | API, SDK | |
| VectorChord | 48 | 46 | ★ 1.8k | +21 ★/30d | API, SDK | |
| Pinecone | 21 | 33 | Public signal | — | API | |
| Turbopuffer | 21 | 33 | Public signal | — | API |
Vector Databases· qdrant.tech
Open-source vector database for semantic search, filtering, and RAG.
Vector Databases· trychroma.com
Open-source embedding database for local and production RAG prototypes.
Vector Databases· typesense.org
Open-source search and vector-search infrastructure for fast product search, semantic retrieval, and RAG-backed application experiences.
Vector Databases· github.com
Open-source PostgreSQL extension for vector similarity search, embeddings storage, and production RAG retrieval inside Postgres.
Vector Databases· lancedb.com
Developer-friendly multimodal vector database for AI applications, retrieval, and vector search.
Vector Databases· weaviate.io
Open-source vector database with managed cloud and hybrid search.
Vector Databases· falkordb.com
FalkorDB is an open-source graph database optimized for fast knowledge graph and GraphRAG workloads, giving AI builders a graph-native retrieval layer for LLM applications.
Vector Databases· paradedb.com
Postgres-native search and analytics system combining full-text search, vector retrieval, and aggregations without a second search stack.
Vector Databases· vespa.ai
Open-source search and vector serving engine for production retrieval, recommendation, hybrid search, and low-latency AI application serving.
Vector Databases· docs.vectorchord.ai
VectorChord is a scalable Postgres vector search extension and successor to pgvecto.rs, aimed at fast disk-friendly embedding retrieval for AI systems.
Vector Databases· turbopuffer.com
Serverless vector and full-text search engine built for high-scale retrieval, recommendation, and semantic search workloads.
Head-to-head comparisons and adoption evidence for the products ranked above.