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How LLM Context Works: Messages, Reasoning, and Tool Calls

This story is from 2026-10-21. It is preserved in the archive; the latest stories are on the live feed.

Over the past week, I’ve been building the Agent Glossary, collecting fundamental terms that explain how LLMs work and how their capabilities relate to the context items they consume and produce. Let’s walk through these terms one by one. Model A model is a trained AI system that generates content…

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  1. 2026-10-21 09:12 · DEV Community — AI
    How LLM Context Works: Messages, Reasoning, and Tool Calls

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