RAG on Manvendra Rajpoot

RAG on Manvendra Rajpoot https://blog.rajpoot.dev/tags/rag/ Recent content in RAG 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 AI/LLM Cheatsheet 05 — RAG Patterns https://blog.rajpoot.dev/cheatsheets/ai-llm/05-rag-cheatsheet/ Tue, 26 May 2026 06:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/ai-llm/05-rag-cheatsheet/ RAG — retrieve + generate, hybrid, rerank, citations. Evaluating RAG Systems in 2026 — Retrieval Quality, Faithfulness, and the Metrics That Matter https://blog.rajpoot.dev/posts/ai/llm-rag-evaluation-2026/ Sat, 02 May 2026 09:20:00 +0530 https://blog.rajpoot.dev/posts/ai/llm-rag-evaluation-2026/ RAG evaluation in 2026 — retrieval metrics (recall, MRR), generation metrics (faithfulness, relevance), Ragas, and the patterns from production RAG. Hybrid Search with Postgres in 2026 — pgvector + FTS + Reranker https://blog.rajpoot.dev/posts/postgresql/postgres-pgvector-hybrid-search-2026/ Fri, 01 May 2026 04:00:00 +0530 https://blog.rajpoot.dev/posts/postgresql/postgres-pgvector-hybrid-search-2026/ How to build hybrid search in Postgres in 2026 — combining pgvector and full-text search with RRF fusion, plus a reranker, for production RAG. Giving AI Agents Memory in 2026 — Mem0, Zep, and the Patterns That Work https://blog.rajpoot.dev/posts/ai/agents-with-memory-mem0-zep-2026/ Thu, 30 Apr 2026 13:40:00 +0530 https://blog.rajpoot.dev/posts/ai/agents-with-memory-mem0-zep-2026/ How to give AI agents long-term memory in 2026 — Mem0, Zep, hand-rolled memory layers, summary memory, and the architecture that scales. 1M-Token Context Windows in 2026 — When They Help, When They Hurt https://blog.rajpoot.dev/posts/ai/long-context-1m-tokens-2026/ Thu, 30 Apr 2026 13:10:00 +0530 https://blog.rajpoot.dev/posts/ai/long-context-1m-tokens-2026/ Practical guide to 1M-token context windows in 2026 — when long context replaces RAG, when it doesn't, prompt caching, and the cost reality. Agentic RAG in 2026 — When Retrieval Becomes a Tool, Not a Pipeline https://blog.rajpoot.dev/posts/ai/agentic-rag-2026/ Thu, 30 Apr 2026 13:00:00 +0530 https://blog.rajpoot.dev/posts/ai/agentic-rag-2026/ Agentic RAG explained — when the agent decides what and when to retrieve, multi-step reasoning, query rewriting, self-reflection, and the patterns that beat naive RAG. 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. Fine-Tuning vs RAG vs Prompting in 2026 — How to Pick the Right Approach https://blog.rajpoot.dev/posts/ai/fine-tuning-vs-rag-vs-prompting-2026/ Wed, 29 Apr 2026 10:00:00 +0530 https://blog.rajpoot.dev/posts/ai/fine-tuning-vs-rag-vs-prompting-2026/ When to fine-tune, when to RAG, and when to just prompt — a practical 2026 decision guide for LLM applications, with cost, quality, and ops tradeoffs. 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.