Vector Search on Manvendra Rajpoot

Vector Search on Manvendra Rajpoot https://blog.rajpoot.dev/tags/vector-search/ Recent content in Vector Search on Manvendra Rajpoot Manvendra Rajpoot https://blog.rajpoot.dev/img/personal/cover.png https://blog.rajpoot.dev/img/personal/cover.png Hugo en Manvendra Rajpoot Sun, 17 May 2026 17:50:46 +0530 Rerankers in RAG — The Underrated Quality Multiplier in 2026 https://blog.rajpoot.dev/posts/ai/rerankers-rag-quality-2026/ Thu, 30 Apr 2026 12:30:00 +0530 https://blog.rajpoot.dev/posts/ai/rerankers-rag-quality-2026/ Why rerankers are the highest-ROI upgrade to a RAG system in 2026 — Cohere Rerank, BGE-Reranker, JinaAI, cross-encoders, and how to wire one into a production pipeline. Embedding Models in 2026 — OpenAI, Voyage, Cohere, BGE, and How to Pick https://blog.rajpoot.dev/posts/ai/embeddings-models-comparison-2026/ Thu, 30 Apr 2026 12:20:00 +0530 https://blog.rajpoot.dev/posts/ai/embeddings-models-comparison-2026/ How to pick an embedding model in 2026 — OpenAI text-embedding-3, Voyage, Cohere, BGE, and the open-source landscape. Quality, cost, dimensions, multilingual support. pgvector Deep Dive — HNSW, IVFFlat, and Tuning Postgres for Vector Search https://blog.rajpoot.dev/posts/postgresql/pgvector-deep-dive-hnsw-tuning/ Tue, 28 Apr 2026 16:50:00 +0530 https://blog.rajpoot.dev/posts/postgresql/pgvector-deep-dive-hnsw-tuning/ A serious deep dive into pgvector — index types (HNSW vs IVFFlat), distance operators, build parameters, ef_search tuning, and how to make Postgres a competent vector database in production. Build a Production RAG App with pgvector and FastAPI in 2026 https://blog.rajpoot.dev/posts/ai/build-rag-app-pgvector-fastapi/ Tue, 28 Apr 2026 16:00:00 +0530 https://blog.rajpoot.dev/posts/ai/build-rag-app-pgvector-fastapi/ A complete, copy-paste guide to building a Retrieval-Augmented Generation (RAG) backend with PostgreSQL + pgvector and FastAPI — chunking, embeddings, hybrid search, and the parts most tutorials skip.