AI Engineering

How production AI systems are built: agents, RAG, MCP, LLM integration, evaluation and guardrails.

AI Engineering

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How to Choose a Vector Database for AI [Comparison] AI How to Choose a Vector Database for AI [Comparison] A practical framework for choosing vector databases based on your project stage, scale, and infrastructure requirements. Read
Introduction to Model Context Protocol (MCP) MCP Introduction to Model Context Protocol (MCP) MCP is an open protocol that standardizes how AI applications connect to external tools and data sources. Read
Gemma 4 E4B Fine-Tuning: Complete Guide for Enterprise Edge AI Gemma 4 Gemma 4 E4B Fine-Tuning: Complete Guide for Enterprise Edge AI Google released a 4.5B parameter multimodal model that runs on phones. Here is why this changes the calculus for enterprise AI deployments. Read
From Fragmented Health Records to Unified AI Queries [Case Study] Genomics From Fragmented Health Records to Unified AI Queries [Case Study] How a genomic testing specialist rebuilt their health data infrastructure with AI-powered document processing to enable natural language queries Read
Scaling a RAG Pipeline with Qdrant [Production Guide] RAG Scaling a RAG Pipeline with Qdrant [Production Guide] Learn how to scale a RAG pipeline with Qdrant for production AI applications, retrieval quality, and reliability. Read
How to Build AI Agents for Enterprise Workflows AI Agents How to Build AI Agents for Enterprise Workflows A practical guide to building AI agents for enterprise workflows, operations, and support use cases. Read
Designing for AI Hallucinations, UX, and Trust UX Design Designing for AI Hallucinations, UX, and Trust Learn how to design AI experiences that reduce hallucination risk and improve user trust in real products. Read
Optimizing AI Models for Fitness Trackers Using TinyML AI Optimizing AI Models for Fitness Trackers Using TinyML Learn how TinyML can optimize AI models for wearables and embedded products, with practical guidance from Lightrains. Read
Beginner's Guide to Learning LLMs [Learning Path] LLMs Beginner's Guide to Learning LLMs [Learning Path] A practical beginner-friendly guide to LLMs, with product and engineering context from Lightrains. Read
Top 10 Frequently Asked Questions About LLMs LLM Top 10 Frequently Asked Questions About LLMs Clear answers to common LLM questions for teams exploring AI products, automation, and enterprise adoption. Read
AI Model Optimization Techniques for Production [With Code] AI Optimization AI Model Optimization Techniques for Production [With Code] Practical AI model optimization techniques for production applications from the Lightrains AI development team. Read
ElevenLabs Voice Support Agent: Step-by-Step Setup Guide AI Agents ElevenLabs Voice Support Agent: Step-by-Step Setup Guide Set up an ElevenLabs voice agent for customer support: architecture, agent setup, voice selection, common failure points and enterprise rollout. Read