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AI & Generative AI

From LLM fundamentals to production agents — comprehensive guides on GenAI, ML, Deep Learning, RAG, and the tools engineers need in 2025.

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Generative AI

LLM architecture, prompt engineering, fine-tuning, RAG, agents, MCP, and production deployment.

GenAI View all →

Machine Learning

Supervised, unsupervised, and reinforcement learning — from fundamentals to MLOps in production.

ML View all →

RAG & Vector Search

Retrieval fundamentals, embeddings, vector search, indexing, and production-scale RAG systems.

RAG View all →
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Interactive AI Tools

Hands-on calculators and visualisers — no sign-up required, runs entirely in your browser.

LLM Cost Estimator

Compare token pricing across OpenAI, Anthropic, Google, and open-source models before you commit to a provider.

GPU VRAM Calculator

Estimate GPU memory requirements for deploying transformer models — input parameters, precision, and batch size to get hardware recommendations.

Tokenizer Visualizer

Paste any text to see colour-coded token boundaries, token count, and real-time API cost estimates across GPT-4, Claude, and Gemini.

ML Bias & Fairness Checker

Input confusion matrices for two demographic groups to compute demographic parity, equalized odds, and disparate impact — essential for responsible AI.

Learning Rate Finder

Simulate cosine annealing, warmup, step decay, and cyclical LR schedules with live Chart.js loss curves and auto-generated PyTorch code.

Batch Size Optimizer

Calculate the optimal per-GPU batch size for training — accounting for model size, optimizer states, mixed precision, and gradient accumulation targets.

AI Model Comparison Picker

Select your task type and budget to instantly compare GPT-4o, Claude 3.5 Sonnet, Gemini, Mistral, and LLaMA — with radar chart capability scores.