Topic, page 2

LLMs

Page 2 of articles on LLMs.

3 min read

Temperature, top-p and top-k: which knob to actually turn

Three settings control the same thing from different angles. Turning all of them is how teams get output that is either rigid or quietly unhinged.

AILLMsPrompt EngineeringPerformance
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3 min read

The ReAct loop in practice, and where it frays

Reason, act, observe, repeat is the shape almost every agent uses. Its weaknesses are structural, and they show up in the same three places every time.

AIAgentsPrompt EngineeringLLMs
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3 min read

Tokens are the unit your system is actually measured in

Cost, latency and the point at which text gets cut off are all counted in tokens. Reasoning about the system in words will mislead you in all three.

AILLMsPerformanceArchitecture
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4 min read

What a larger context window does not fix

A million-token window suggests you can stop being selective about context. Attention is uneven across a long window, and cost scales with what you send.

AIContext EngineeringLLMsPerformance
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3 min read

What self-hosting a model actually costs

Running a model locally is free in the sense that a server is free. The bill is idle capacity, and the arithmetic decides this more than principle does.

AILLMsPerformanceArchitecture
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4 min read

Why evaluations come before scale, not after it

Without evals you cannot tell an improvement from a regression, so every change becomes an argument. That is a team problem before it is a quality one.

AIEvaluationLLMsSystem Design
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3 min read

Writing an MCP client, and why you might not need to

Most teams only ever write servers. Building the client side is what shows you where the protocol stops and your own orchestration has to take over.

AIMCPAgentsLLMs
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Have a system to build?

Whether it needs designing from scratch or rescuing from its own success, tell me what you’re building and I’ll tell you how I’d architect it.

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