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Technology for emerging-market businesses and institutions.

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LOCALLENS FIELD GUIDE

Use local AI
with evidence.

Independent, practical guides for choosing hardware, models and deployment patterns without false certainty.

Watch Deviceterra local AI videos ↗
A laptop running a private AI model within a protected local boundary
Start here · 8 min read · Video included

What is local AI - and when should you use it?

A practical guide to running AI on your own computer, what you gain, what you give up, and where cloud AI still makes more sense.

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Technical illustration of storage, system memory and graphics memory supporting a local AI model
Hardware · 10 min read · Video included

RAM, VRAM and model size explained simply

Why downloading a model is not the same as running it - and how to avoid recommendations that look precise but fail on your machine.

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A local AI workflow shown through both a terminal interface and a desktop interface
Setup · 12 min read

Ollama vs LM Studio: which should you install?

Two popular ways to run models locally, compared by setup, usability, automation, privacy, and the kind of work you want to build.

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Four distinct local AI model families represented as specialized tools
Models · 11 min read · Video included

Qwen, Gemma, Llama or DeepSeek?

A family-level comparison for coding, reasoning, writing, vision, and general work - without pretending one model wins every job.

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Private company documents connected to a local AI assistant inside a secure system
Business · 10 min read

How to keep company knowledge local

A practical architecture for private document assistants that retrieve useful evidence without sending an entire business archive to the cloud.

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A local AI system passing through quality, speed and safety checkpoints
Safety · 9 min read

Why “it runs” does not mean “it is reliable”

A downloaded model can answer a prompt and still fail the job. Here is how to test quality, speed, safety, and workflow fit before trusting it.

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An ordinary laptop running a compact local AI model through CPU and system memory
Beginner setup · 11 min read · Video included

How to run local AI without a dedicated GPU

A realistic CPU-only starting path for ordinary laptops, including model size, quantization, context and the tasks worth attempting first.

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A laptop testing local AI models through performance and quality checkpoints
Benchmarking · 13 min read

How to benchmark a local AI model on your own computer

Measure time, memory, quality and reliability on the device that matters, then save an evidence card you can compare after every upgrade.

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A local AI server protected by layered network and document security boundaries
Security · 14 min read

How to secure local AI before using private data

A practical security checklist for model APIs, documents, logs, connected tools, users and backups before confidential work begins.

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Documents being indexed, retrieved and cited by a secure local AI assistant
Practical build · 15 min read

Build a private document assistant with local AI

A step-by-step blueprint for turning approved PDFs, policies and manuals into a searchable local assistant with citations and permission boundaries.

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One AI model routed through CPU, Apple, GPU workstation and multi-user server engines
Engines · 16 min read

Local AI inference engines explained

Ollama, LM Studio, llama.cpp, MLX LM, vLLM, SGLang and mistral.rs solve different performance and deployment problems. Here is how to choose.

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Documents transformed into semantic vectors, retrieved and returned as cited passages
Embeddings · 14 min read

Embedding models explained for local RAG

The hidden model behind document search: what embeddings do, how to choose one, why reranking matters and how to test retrieval before blaming the chatbot.

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NOT SURE WHERE TO BEGIN?

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