The Wall Between You and the Model: Tokens, Encoders, and Embeddings
GPT-4 can't count letters. Here's why — and how embeddings give token IDs the meaning the tokenizer strips away.
Read moreArticles on AI workflows, MCP patterns, and what we have learned building Synapse.
Most developers treat LLMs as black boxes that write answers. The reality is stranger and more mechanical — and understanding it changes how you build.
GPT-4 can't count letters. Here's why — and how embeddings give token IDs the meaning the tokenizer strips away.
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It asks the kind of questions senior engineers do, sketches diagrams with you, and forces you to defend every architectural choice so your ideas are ready for interviews or production reviews.