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The Four Caches in LLM Serving 

As LLM applications grow more complex, inference cost and latency become increasingly important. A single request can contain thousands or even millions of tokens from system instructions, conversation history, retrieved documents, tool definitions, and user input. Reprocessing the same information again and again wastes both time and compute.  Caching helps avoid this repeated work. But […]

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OpenCode Explained: The Open-Source AI Coding Agent

OpenCode is open source and works with any model, but those are no longer its most interesting features. Model choice is table stakes. What sets OpenCode apart is its architecture, and the trade-offs that come with it, especially if you are coming from Claude Code.  In this article, we look at what OpenCode is, what makes its architecture different, what

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A Complete Guide to Decoding LLM Model Names

If you have ever tried downloading a local LLM, you have probably seen model names that look like this:  Qwen3.8-27B-A3B-It-2507-gguf-q2ks-mixed-AutoRound At first, it looks like meaningless technical shorthand.  It isn’t!  Every part of that name tells you something about the model: how large it is, how it is built, how much of it is used at a time, how

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10 Essential Agentic AI Concepts Explained Simply

AI agents are everywhere right now. You hear terms like tool calling, agent loops, MCP, guardrails thrown around as if its common language… it isn’t! But that is about to change. Agentic AI isn’t nearly as complicated as it sounds once you understand the few core ideas that actually matter. Here are 10 agentic AI concepts

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Spec-Driven Development with Claude Code: Writing Bulletproof Specs

I have written enough specs for Claude Code now to have hit the failure mode nobody warns you about.  The spec was fine. The plan was fine. Claude worked through the tasks, ran the test suite, and reported everything passing. I looked at the diff properly the next morning and found it had converted a

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How to Remove Claude Watermarks from Text, Code, and Files

Claude now marks AI-generated content. But it does not mark everything the same way. Anthropic currently uses embedded watermarks for text and signed C2PA provenance metadata for supported files. Code sits somewhere in between: it is still text, but its structure gives the watermark fewer places to work. I went into detail about Claude’s watermarks

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How to Add Skills in Agents using LangChain

Ever wondered how ChatGPT, Gemini, and other chat interfaces generate PDFs, PowerPoints, and more when all they have under the hood is an LLM? The trick isn’t a smarter model. It’s something simpler: skills which are instructions an agent loads only when needed. Next, let’s explore how skills work using LangChain and how they can make

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Claude Code Best Practices: 3 Lessons from 400,000 Sessions

I used to think Claude Code best practices were a matter of taste. Plan mode or not. Long CLAUDE.md or short. Pick what suits you, move on. Then Anthropic scored roughly 400k sessions from over 235k users against hard evidence of success. Tests passing, commits landing, users confirming they got what they asked for. Taste

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