inference — Running a trained model to get answers — the phase where AI is actually used, as opposed to trained.
LLM — A large language model — the neural network behind tools like Claude and ChatGPT, trained on huge amounts of text to predict what comes next.
Why it matters
A rare account of running the whole LLMA large language model — the neural network behind tools like Claude and ChatGPT, trained on huge amounts of text to predict what comes next.Full definition → stack in-house rather than calling a hosted API — engine choice, packaging, API surface, and enforcing output constraints — including which trade-offs only became visible under production traffic.