Practical field guides

Make the next decision a clearer one.

Start with the workload. Understand the memory. Check the sources before buying.

Buying guide

A private AI computer under $1,000

A sourced shortlist that starts with memory, uses complete-system prices, and makes room for uncertainty.

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Buying guide

A private AI computer under $2,000

A sourced shortlist that starts with memory, uses complete-system prices, and makes room for uncertainty.

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Buying guide

A private AI computer under $4,000

A sourced shortlist that starts with memory, uses complete-system prices, and makes room for uncertainty.

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Platform guide

Mac or PC for local AI?

Choose a memory architecture and software ecosystem that match your workload.

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Memory planning

How much memory does a 70B model need?

Start with the actual files. Then add the context cache and runtime overhead.

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Platform comparison

DGX Spark, Mac Studio, or Ryzen AI Max?

A source-led comparison of capacity, bandwidth, price evidence, and software requirements.

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Privacy fundamentals

What “private AI” really means

Local inference is a useful property. The whole application still determines where data goes.

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Scaling guide

When does a private AI setup need a cluster?

Start with a capacity or concurrency constraint you can measure.

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Model fundamentals

Choose a quantization with room to spare

Compare actual files, then weigh memory savings against output quality for your task.

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Memory planning

Context length is a memory budget

Understand the cache that grows with your conversation or document.

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