Self Attention
An intuition-first walk through self attention — queries, keys and values by analogy, then the implementation, multi-head attention, and transformers.
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Archive
Blogs
6 posts and counting.
Positional Embeddings
Token embeddings alone throw away word order. How position gets encoded into a sentence, and why the sinusoidal scheme is built the way it is.
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Token Embeddings
How tokens turn into meaningful vectors: the core idea behind embeddings, how the training data is prepared, and a working implementation.
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Neural Networks
Building a neural network from the ground up — what the layers actually do, how training adjusts them, and a worked example end to end.
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Tokenization
Why models break text into subwords, how Byte Pair Encoding builds a vocabulary from scratch, and what naive word splitting gets wrong.
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LLM in a nutshell
A plain-language overview of how large language models actually work — the mental model worth having before going anywhere near the internals.
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