CR Labs

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CR Labs makes clear, plain-English explainers on how modern AI actually works: how large language models are built, trained, shrunk, and run, plus the real careers behind them. Three series: - Inside a Large Language Model: the full lifecycle, start to finish - The Deep Dive: how the tech and the business of AI actually work - Careers Building AI: the roles, the pay, and how to break in New explainers regularly. Everything free, no signup. More at crlab.ca

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How to Choose Your AI Career Path (2026)

How to Choose Your AI Career Path (2026) CR Labs

8 views - 2 weeks ago

AI Security Careers: Red Teaming, Evals and Safety Research

AI Security Careers: Red Teaming, Evals and Safety Research CR Labs

5 views - 2 weeks ago

AI Infrastructure Careers: MLOps, ML Systems and Data Engineering

AI Infrastructure Careers: MLOps, ML Systems and Data Engineering CR Labs

14 views - 2 weeks ago

ML Engineer vs AI Engineer vs Agentic AI Developer (AI Careers)

ML Engineer vs AI Engineer vs Agentic AI Developer (AI Careers) CR Labs

9 views - 2 weeks ago

Research Scientist vs Applied Scientist vs Research Engineer (AI Careers)

Research Scientist vs Applied Scientist vs Research Engineer (AI Careers) CR Labs

22 views - 2 weeks ago

AI Careers Explained: 13 Roles That Build Modern AI (2026)

AI Careers Explained: 13 Roles That Build Modern AI (2026) CR Labs

15 views - 2 weeks ago

Can You Train an AI to Find Security Vulnerabilities?

Can You Train an AI to Find Security Vulnerabilities? CR Labs

16 views - 2 weeks ago

Can a Startup Match Claude Sonnet? The Real Cost of a Frontier Model

Can a Startup Match Claude Sonnet? The Real Cost of a Frontier Model CR Labs

4 views - 2 weeks ago

Where Does AI Training Data Come From? The Data Question

Where Does AI Training Data Come From? The Data Question CR Labs

8 views - 2 weeks ago

What Is Sovereign AI? Why Countries Want Their Own Models

What Is Sovereign AI? Why Countries Want Their Own Models CR Labs

10 views - 2 weeks ago

Why Every AI Lab's Models Feel Different (Model House Styles)

Why Every AI Lab's Models Feel Different (Model House Styles) CR Labs

8 views - 2 weeks ago

Why AI Models Come in Different Sizes (Model Tiers Explained)

Why AI Models Come in Different Sizes (Model Tiers Explained) CR Labs

8 views - 2 weeks ago

Where Do AI Breakthroughs Come From? Inside AI Research

Where Do AI Breakthroughs Come From? Inside AI Research CR Labs

10 views - 2 weeks ago

Inside an AI Lab: How Frontier Models Get Built

Inside an AI Lab: How Frontier Models Get Built CR Labs

25 views - 2 weeks ago

Can AI Improve AI? Self-Improving Models Explained

Can AI Improve AI? Self-Improving Models Explained CR Labs

13 views - 2 weeks ago

Autonomous AI Research Agents Explained

Autonomous AI Research Agents Explained CR Labs

18 views - 2 weeks ago

Why Do AI Models Hallucinate? Explained Simply

Why Do AI Models Hallucinate? Explained Simply CR Labs

10 views - 2 weeks ago

Prompt Engineering and Context Engineering Explained

Prompt Engineering and Context Engineering Explained CR Labs

7 views - 2 weeks ago

How AI Agents Work: Tool Use Explained

How AI Agents Work: Tool Use Explained CR Labs

4 views - 2 weeks ago

How Multimodal AI Works: How Models See and Hear

How Multimodal AI Works: How Models See and Hear CR Labs

6 views - 2 weeks ago

How AI Coding Models Work (and How They Were Built)

How AI Coding Models Work (and How They Were Built) CR Labs

21 views - 2 weeks ago

Reasoning Models vs Standard LLMs: What's the Difference?

Reasoning Models vs Standard LLMs: What's the Difference? CR Labs

5 views - 2 weeks ago

What Is a Context Window? Long Context in LLMs Explained

What Is a Context Window? Long Context in LLMs Explained CR Labs

2 weeks ago

Why Does AI Need GPUs? The Hardware Behind LLMs

Why Does AI Need GPUs? The Hardware Behind LLMs CR Labs

32 views - 2 weeks ago

What's Actually Inside an AI Model? (Weights Explained)

What's Actually Inside an AI Model? (Weights Explained) CR Labs

14 views - 2 weeks ago

The AI Model Zoo: Types of LLMs Explained

The AI Model Zoo: Types of LLMs Explained CR Labs

9 views - 2 weeks ago

How AI Models Are Aligned: Fine-Tuning and RLHF Explained

How AI Models Are Aligned: Fine-Tuning and RLHF Explained CR Labs

9 views - 2 weeks ago

How AI Models Learn: Pretraining Explained

How AI Models Learn: Pretraining Explained CR Labs

15 views - 2 weeks ago

How Large Language Models Work: Inside an LLM (Field Guide)

How Large Language Models Work: Inside an LLM (Field Guide) CR Labs

60 views - 2 weeks ago

The AI Frontier: Which Labs Are Building What (2026)

The AI Frontier: Which Labs Are Building What (2026) CR Labs

25 views - 2 weeks ago

How AI Models Are Evaluated and Steered: Benchmarks and Control

How AI Models Are Evaluated and Steered: Benchmarks and Control CR Labs

4 views - 2 weeks ago

How LLMs Get Knowledge and Are Served: RAG and Inference

How LLMs Get Knowledge and Are Served: RAG and Inference CR Labs

7 views - 2 weeks ago

How AI Models Get Smaller and Cheaper: Distillation and Quantization

How AI Models Get Smaller and Cheaper: Distillation and Quantization CR Labs

12 views - 2 weeks ago