Tag: #langchain

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• LLM Observability & Prompt Tools 2026 — Helicone / LangSmith / Langfuse / Braintrust / Athina / Comet Opik / Portkey Deep Dive ♪ Listenable

  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#langchain

• AI Agent Frameworks 2026 Deep Dive — LangChain, LangGraph, LlamaIndex, CrewAI, AutoGen, PydanticAI, Mastra, DSPy, MCP Complete Guide ♪ Listenable

  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#crewai

• Python 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#uv

• Advanced RAG Pipeline Complete Guide 2025: Chunking Strategies, Re-ranking, Agentic RAG, Evaluation ♪ Listenable

  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#evaluation

• AI Agent Development Complete Guide 2025: Tool Calling, ReAct, Multi-Agent, and MCP ♪ Listenable

  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-agent

• AI Agent Engineer Career Guide: The Hottest AI Role of 2025 ♪ Listenable

  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#autogen

• RAG 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#raptor

• Agent 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#mem0

• RAG Systems Complete Guide: Everything About Retrieval-Augmented Generation ♪ Listenable

  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#embedding

• LLM 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-engineering

• Full-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-application

• AI Agents Complete Guide: Building Autonomous AI Systems with LangChain, LangGraph, and CrewAI ♪ Listenable

  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-ai

• AI 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#framework

• AI Agent Function Calling Practical Implementation: Tool Use Patterns, Error Handling, Security Design, and Production Deployment ♪ Listenable

  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#langchain

• Chatbot 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-turn

• Production Guide for RAG-Based FAQ Chatbots: From Vector DB Selection to Operational Optimization ♪ Listenable

  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#langchain

• Slack Bot + LangChain RAG Chatbot Practical Guide — Building an Internal Document Search Bot ♪ Listenable

  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-search

• Building an Intelligent Telegram FAQ Bot with LangChain + RAG: A Document-Based Q&A System ♪ Listenable

  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#python

• Building 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#chatbot

• LangGraph 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