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pre-training vs fine-tuning
foundation models differ from task-sp ...
AI models detect harmful content
1. The Foundation: Supervised Safety Classification Most AI companies train specialized classifiers whose sole job is to flag unsafe content. These classifiers are trained on large annotated datasets that contain examples of: Hate speech Violence Sexual conten…
you use parameter-efficient fine-tuni
1. When You Have Limited Compute Resources This is the most common and most practical reason. Fine-tuning a model like Llama 70B or GPT-sized architectures is usually impossible for most developers or companies. You need: Multiple A100/H100 GPUs…
a Transformer, and how does self-atte ...
1. The Big Idea Behind the Transformer Instead of reading a sentence word-by-word as in an RNN, the Transformer reads the whole sentence in parallel. This alone dramatically speeds up training. But then the natural question would be:…
shifting from unimodal to cross-modal ...
1. Elevated Model Complexity, Heightened Computational Power, and Latency Costs Cross-modal models do not just operate on additional datatypes; they must fuse several forms of input into a unified reasoning pathway. This fusion requires more parameters, greate…
agentic AI differ from traditional ML ...
An AI agent is But that is not all: An agent is something more than a predictive or classification model; rather, it is an autonomous system that may take an action directed towards some goal. Put differently, An…
CNN vs an RNN vs a transformer
Understanding the Core Differences That is, by choosing between CNNs, RNNs, and Transformers, you are choosing how a model sees patterns in data: whether they are spatial, temporal, or contextual relationships across long sequences. Let's break that down:…
AI model to use (for a given task)
1. Start with the Problem — Not the Model Specify what you actually require even before you look at models. Ask yourself: What am I trying to do — classify, predict, generate content, recommend, or reason? What is…
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Understanding the Two Model Types in Simple Terms Both generative and predictive AI models learn from data at the core. However, they are built for very different purposes. Generative AI models are designed to create content that had…