Tag: #langchain
Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 26 posts
LLM Observability & Prompt Tools 2026 — Helicone / LangSmith / Langfuse / Braintrust / Athina / Comet Opik / Portkey Deep Dive
The 2026 LLM ops map. Helicone (YC) · LangSmith (LangChain) · Langfuse (open source, Series A) · W&B Weave · Arize Phoenix · Braintrust · Athina · Comet Opik (released March 2025) · Vellum · PromptHub · Portkey AI Gatewa
2026-05-16 · 22 min read #llm-observability#prompt-engineering#helicone#langsmith#langchainAI Agent Frameworks 2026 Deep Dive — LangChain, LangGraph, LlamaIndex, CrewAI, AutoGen, PydanticAI, Mastra, DSPy, MCP Complete Guide
A complete picture of the AI agent framework market as of May 2026. LangChain holding share despite brand fatigue, LangGraph state-graph pattern, LlamaIndex RAG depth, CrewAI/AutoGen multi-agent, PydanticAI type safety,
2026-05-16 · 18 min read #ai-agent#langchain#langgraph#llamaindex#crewaiPython Complete Guide — FastAPI, AsyncIO, Pydantic, uv, Polars, AI Engineering (Season 2 Ep 5, 2025)
Python used to be the "slow, GIL-locked" language. The 2024-2025 Python is a completely different beast — free-threading (No-GIL) experiment, JIT compiler, the revolutionary uv package manager, Polars with a Rust-backed
2026-04-15 · 11 min read #python#fastapi#asyncio#pydantic#uvAdvanced RAG Pipeline Complete Guide 2025: Chunking Strategies, Re-ranking, Agentic RAG, Evaluation
Everything about Advanced RAG! Document chunking strategies (Semantic/Recursive/Agentic), re-ranking (Cohere/ColBERT/Cross-encoder), Query Transformation, Agentic RAG (Self-RAG/CRAG), Multi-modal RAG, Evaluation (RAGAS/T
2026-04-13 · 23 min read #rag#chunking#reranking#agentic-rag#evaluationAI Agent Development Complete Guide 2025: Tool Calling, ReAct, Multi-Agent, and MCP
Everything about AI Agent development! Tool Calling (Function Calling) principles, ReAct pattern, Multi-Agent architectures (CrewAI/AutoGen/LangGraph), MCP (Model Context Protocol), Agent framework comparison, Tool Calli
2026-03-25 · 26 min read #ai-agent#tool-calling#function-calling#react-pattern#multi-agentAI Agent Engineer Career Guide: The Hottest AI Role of 2025
AI Agent Engineer is the fastest-growing AI role in 2025 ($47B market projection). LangGraph, CrewAI, AutoGen, Swarm, Claude Agent SDK — framework comparison, design patterns, evaluation methods, interview prep, and lear
2026-03-23 · 25 min read #ai-agent#langchain#langgraph#crewai#autogenRAG Chunking Strategies: From Naive Splitting to RAPTOR
Chunking determines 70% of your RAG system quality. This guide covers 5 chunking strategies with real code — from simple fixed-size splitting to Semantic Chunking, Parent-Child, and RAPTOR — with honest assessments of wh
2026-03-18 · 8 min read #rag#chunking#text-splitting#langchain#raptorAgent Memory System Design: Everything About How AI Agents Remember
LLMs have no memory by default. How do we solve this fundamental limitation? From four memory types to production architecture and the Mem0 framework — a complete guide to agent memory systems.
2026-03-18 · 8 min read #agent-memory#ai-agent#long-term-memory#langchain#mem0RAG Systems Complete Guide: Everything About Retrieval-Augmented Generation
A complete guide to mastering RAG (Retrieval-Augmented Generation) systems. From basic RAG to advanced Self-RAG, Corrective-RAG, and HyDE — covering vector databases, embedding models, chunking strategies, and reranking
2026-03-17 · 23 min read #rag#llm#vector-database#langchain#embeddingLLM Application Development Guide: From Prototype to Production
A comprehensive guide to building LLM-powered applications from prototype to production. Covers prompt engineering, RAG architecture, tool use, streaming, evaluation, cost optimization, and deployment patterns for real-w
2026-03-17 · 19 min read #llm#application-development#langchain#openai#prompt-engineeringFull-Stack AI App Development: Build LLM Services with FastAPI + Next.js
A complete guide to full-stack AI application development. FastAPI backend, Next.js frontend, LangChain/OpenAI integration, streaming responses, and Docker deployment with real project examples.
2026-03-17 · 12 min read #fullstack#fastapi#nextjs#llm-app#ai-applicationAI Agents Complete Guide: Building Autonomous AI Systems with LangChain, LangGraph, and CrewAI
A comprehensive guide to mastering AI agent systems. Build autonomous AI systems with real-world examples covering ReAct, Tool Use, and Function Calling through to LangChain agents, LangGraph workflows, and CrewAI multi-
2026-03-17 · 22 min read #ai-agent#langchain#langgraph#crewai#autonomous-aiAI Agent Orchestration Frameworks 2026: LangGraph vs CrewAI vs AutoGen Complete Guide
Complete comparison guide for AI agent orchestration frameworks in 2026. Learn the key differences between LangGraph, CrewAI, AutoGen, and Dify with practical examples and selection criteria for your use case.
2026-03-16 · 8 min read #ai#ai-agent#langchain#llm#frameworkAI Agent Function Calling Practical Implementation: Tool Use Patterns, Error Handling, Security Design, and Production Deployment
Practical implementation of Function Calling and Tool Use patterns. Covers OpenAI, Anthropic, LangChain tool calling APIs, error handling, retry strategies, prompt injection defense, and MCP standard for production chatb
2026-03-12 · 21 min read #chatbot#function-calling#tool-use#ai-agent#langchainChatbot Multi-Turn Memory Management Guide: Context Retention Strategies with LangChain and LangGraph
A comprehensive guide to memory management strategies for maintaining context in multi-turn chatbot conversations. Covers LangChain memory types (Buffer, Summary, Window, Entity), LangGraph stateful agent architecture, p
2026-03-11 · 16 min read #chatbot#langchain#langgraph#memory-management#multi-turnProduction Guide for RAG-Based FAQ Chatbots: From Vector DB Selection to Operational Optimization
A practical guide covering the RAG pipeline chunking, embedding, and retrieval strategies, Pinecone/Weaviate/Milvus vector DB comparison, LangChain-based FAQ chatbot implementation, production deployment, quality evaluat
2026-03-06 · 26 min read #chatbot#rag#vector-database#faq#langchainSlack Bot + LangChain RAG Chatbot Practical Guide — Building an Internal Document Search Bot
Build a Slack chatbot that searches internal documents using LangChain and RAG. Covers document embedding, vector DB, prompt engineering, and Slack Bolt integration with complete code.
2026-03-03 · 28 min read #chatbot#langchain#rag#slack-bot#vector-searchBuilding an Intelligent Telegram FAQ Bot with LangChain + RAG: A Document-Based Q&A System
Build a Telegram FAQ bot powered by LangChain and the RAG pipeline. A hands-on guide covering document loading, vector stores, conversation memory, and source citation.
2026-03-03 · 25 min read #chatbot#telegram#langchain#rag#pythonBuilding a RAG Chatbot — Create Your Own Document QA Bot with LangChain + ChromaDB + OpenAI
A hands-on guide to building a PDF document-based RAG chatbot from scratch using LangChain, ChromaDB, and OpenAI. Covers document loading, vector storage, prompt design, and a Streamlit UI.
2026-03-02 · 9 min read #rag#langchain#chromadb#openai#chatbotLangGraph Agent Workflow Practical Guide: From Multi-Agent Orchestration to Production Deployment
Build stateful AI agent workflows with LangGraph. Covers StateGraph, conditional routing, multi-agent orchestration, Human-in-the-Loop, and LangGraph Platform deployment — all with production-ready code.
2026-03-02 · 6 min read #langgraph#langchain#ai-agent#workflow#multi-agent