What Is an LLM? Large Language Models from a Developer's Point of View
A large language model is a function that predicts the next token. We build that loop token by token with a local gemma3:4b, look at training versus inference, base versus instruct, open-weight versus closed and local versus cloud, and use real outputs to see where the model goes wrong on dates, arithmetic and order questions.
6 Nov 2026
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9 min
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