Leap Nonprofit AI Hub

Category: AI & Machine Learning - Page 2

From Markov Models to Transformers: A Technical History of Generative AI

This article traces the technical evolution of generative AI from early probabilistic models like Markov chains to modern transformer architectures. Learn how breakthroughs in neural networks, GANs, and attention mechanisms shaped today's AI capabilities-and the challenges still ahead.

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Chain-of-Thought in Vibe Coding: Why Explanations Before Code Make You a Better Developer

Chain-of-thought prompting forces AI coding assistants to explain their logic before generating code, reducing errors and building real understanding. Learn how this simple technique transforms how developers work with AI.

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Retrospectives for Vibe Coding: How to Learn from AI Output Failures

Learn how to run effective retrospectives for Vibe Coding to turn AI code failures into lasting improvements. Discover the 7-part template, real team examples, and why this is the new standard in AI-assisted development.

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Design Tokens and Theming in AI-Generated UI Systems

Design tokens are the backbone of modern UI systems, enabling consistent theming across platforms. With AI now automating their creation and management, teams can scale design systems faster than ever-while keeping brand identity intact.

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Error Messages and Feedback Prompts That Help LLMs Self-Correct

Learn how to use error messages and feedback prompts to help LLMs fix their own mistakes without retraining. Discover the most effective techniques, real-world results, and when self-correction works-or fails.

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Reducing Hallucinations in Large Language Models: A Practical Guide for 2026

Learn practical, proven methods to reduce hallucinations in large language models using prompt engineering, RAG, and human oversight. Real-world results from 2024-2026 studies.

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Architecture-First Prompt Templates for Vibe Coding: Build Better Code Faster

Architecture-first prompt templates help developers use AI coding tools more effectively by specifying system structure, security, and requirements upfront-cutting refactoring time by 37% and improving code quality.

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How to Choose the Right Embedding Model for Enterprise RAG Pipelines

Choosing the right embedding model for enterprise RAG pipelines impacts accuracy, speed, and compliance. Learn which models work best, how to avoid hidden risks like poisoned embeddings, and why fine-tuning is non-negotiable.

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How to Evaluate Safety and Harms in Large Language Models Before Deployment

Learn how to evaluate safety and harms in large language models before deployment using modern benchmarks like CASE-Bench, TruthfulQA, and RealToxicityPrompts. Avoid costly mistakes with practical, actionable steps.

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RLHF vs Supervised Fine-Tuning for LLMs: When to Use Each and What You Lose

RLHF and supervised fine-tuning are both used to align large language models with human intent. SFT works for structured tasks; RLHF improves conversational quality-but at a cost. Learn when to use each and what newer methods like DPO and RLAIF are changing.

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How Tokenizer Design Choices Shape Large Language Model Performance

Tokenizer design choices like BPE, WordPiece, and Unigram directly impact LLM accuracy, speed, and memory use. Learn how vocabulary size and tokenization methods affect performance in real-world applications.

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Task-Specific Fine-Tuning vs Instruction Tuning: Which LLM Strategy Wins for Your Use Case?

Learn how to choose between task-specific fine-tuning and instruction tuning for LLMs. Discover real-world performance differences, cost trade-offs, and when to use each strategy for maximum impact.

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