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About This Project

Making complex AI alignment concepts accessible through intuitive visualizations, interactive playgrounds, and educational storytelling.

Project Overview

RLHF Illustrated Guide is a comprehensive, interactive web platform that transforms the complex mathematics and concepts behind Reinforcement Learning from Human Feedback (RLHF) into an engaging, visual learning experience.

RLHF has become the cornerstone of modern AI alignment—it's how ChatGPT, Claude, and other large language models learn to be helpful, harmless, and honest. Yet, most resources on RLHF are either too academic (dense mathematical papers) or too shallow (oversimplified blog posts).

This guide fills that gap by providing rigorous yet accessible education with hands-on interactive elements that build true understanding.

12
Learning Modules
30+
Visualizations
60+
Quiz Questions
4
Analogy Types

Key Features

Interactive Visualizations

30+ D3.js-powered charts and simulations. Adjust parameters in real-time and see how algorithms behave. Export as PNG/SVG for presentations.

12 Complete Modules

From RLHF basics to Constitutional AI. Each module follows a proven template: equation, intuition, analogy, visualization, and assessment.

Concept Playground

Experiment with PPO, DPO, and rejection sampling algorithms. Compare methods side-by-side with consistent parameters.

Intuitive Analogies

Complex concepts made concrete through carefully crafted analogies: Game Bot for RL, Writing Student for preferences, Math Tutor for reasoning.

Assessment & Feedback

Each module includes 5-7 quiz questions with instant feedback and detailed explanations to reinforce key concepts.

Production Ready

Built with accessibility (WCAG 2.1 AA), responsive design, dark mode, and performance optimization in mind.

The Analogy Toolbox

Complex concepts become intuitive through carefully crafted analogies that carry through the entire curriculum:

🎮

Atari Game Bot

For core RL concepts: policy as game strategy, rewards as score points, value functions as game state evaluation.

✍️

Creative Writing Student

For preference learning: reward model as editor's taste, preference data as manuscript feedback, policy optimization as iterative revision.

🧮

Math Tutor Bot

For reasoning and verification: verifiable rewards as correct answers, chain-of-thought as showing work, tool use as using a calculator.

🧠

Advanced Concepts

For constitutional AI and evaluation: AI constitutions as ethical guidelines, self-critique as peer review, over-optimization as teaching to the test.

Curriculum Overview

Phase 1: Core RLHF Loop

Introduction to RLHFWhy RLHF matters, the four-stage pipeline
Reward ModelingBradley-Terry, pairwise preferences
Policy Gradients (PPO)Trust regions, clipping, advantage estimation
Direct Preference OptimizationOffline alignment without reward models

Phase 2: Foundation & Practice

Problem Setup & ContextMathematical definitions, preference data
Instruction TuningChat templates, dataset curation
RegularizationKL penalties, entropy bonuses
Rejection SamplingBest-of-N, baseline methods

Phase 3: Advanced Topics

Constitutional AIAI feedback, principles, self-improvement
Reasoning TrainingRLVR, chain-of-thought, inference scaling
Tool Use & Function CallingMCP architecture, multi-step reasoning
Advanced TopicsSynthetic data, evaluation, over-optimization

Technology Stack

Frontend & Framework

Next.js 14React 18TypeScriptTailwind CSSFramer Motion

Visualization & Content

D3.jsKaTeXMDXLucide Icons

Infrastructure & Deployment

VercelGitHub ActionsESLintPrettier

Technical Highlights

Server-Side Rendering

MDX content rendered server-side for SEO. D3 visualizations hydrated on client for interactivity. Dynamic imports for optimal code splitting.

Performance Optimized

Code splitting for D3, Framer Motion, and vendor bundles. Image optimization with AVIF/WebP. Target: LCP <2.5s, FID <100ms, CLS <0.1.

Accessibility First

WCAG 2.1 AA compliant. ARIA labels for visualizations. Full keyboard navigation. High contrast color ratios. Screen reader compatible.

Type-Safe Architecture

TypeScript strict mode throughout. Explicit return types. No any types. Comprehensive interfaces for all components and data structures.

Who This Is For

ML Practitioners

Quickly understand RLHF to implement in production systems

Students

Visual learning complements academic ML/AI courses

Researchers

Intuitive grounding before diving into academic papers

Educators

Ready-made visualizations and materials for teaching

Credits & Acknowledgments

This project is inspired by and based on concepts from Nathan Lambert's RLHF book, which provides an excellent comprehensive treatment of RLHF from first principles.

The interactive approach draws inspiration from projects like Distill.pub and 3Blue1Brown, which have shown how powerful visual explanations can be for complex mathematical concepts.

Ready to Learn RLHF?

Start with the introduction module or jump into the interactive playground.

Connect & Contribute