Vector DB Radar · Mar 19 Daily Digest
Vector DB Comparisons
- 🔥 Pinecone vs Weaviate vs Qdrant vs Milvus 2026: Comparison highlights Qdrant's fully open-source Apache 2.0 vector...

Created by Liam
Benchmark reports, feature updates, and tooling news for vector search platforms
Explore the latest content tracked by Vector DB Radar
Complementary guides for hobbyist RAG pipelines:
Hindsight is an advanced AI memory system for agents that enables learning from past interactions, not just recall—previewing post-vector DB innovations and RAG alternatives.
Qdrant's key advantages in self-hosting and speed:
RAG vs MCP decoded for GenAI builders:
Antfly debuts as an exciting open-source project for vector DB enthusiasts:
EnterpriseDB launched VSBT on GitHub, a comprehensive benchmarking tool for PostgreSQL vector search extensions. It compares performance across pgvector, VectorChord, and pgpu (GPU-accelerated)—key for PostgreSQL vector hobbyists.
Airtable evolved semantic search from concept to core product feature, with the Data Infrastructure team tackling scale challenges in production.
Single-node scale breakthrough:
Key shift in RAG: Schema-RAG agents use five decisions to turn retrieval into reasoning, beyond text chunking.
Essential applications for RAG metrics:
Agentic AI and RAG are driving an institutional turn with major implications for legal accountability and financial markets.
Vector RAG flaws exposed: Chunking destroys document structure, causing vibe retrieval of similar but wrong facts, failing on structured docs like...
Game-changer for hobbyists: Achieve 70M vector search in ~48ms on one consumer GPU – that's ~1.45B comparisons/sec. Ideal for local high-QPS experiments without enterprise hardware.
The key to faster, more accurate vector search in Elasticsearch? Tune the underlying algorithm and configure your cluster for the job.
Postgres benchmarks deliver 50 million vectors handled at over 470 queries per second with 99% recall, fueling the vector revolution by killing the sprawl – ideal for hobbyist scaling experiments.
New LMEB benchmark evaluates embeddings for long-horizon, fragmented info in agentic systems—crucial for long-context RAG.