Foundation
Learn AI
Start with the ideas that remain useful after a product launch or model name changes. These guides explain the concepts, trade-offs, and vocabulary behind practical AI use.
Published foundation guides
Durable explanations of the concepts and choices behind useful AI.
3 articles
Education
AI Basics: Models, Assistants, and Agents Explained
A model generates an output, an assistant turns models and product rules into an interface, and an agent can pursue a goal through tools and repeated actions. Risk rises with access, autonomy, and consequence—not with the label on the product.
Learning outcome
Distinguish AI from generative AI and models from assistants and agents; explain training, inference, tools, and memory; and choose a proportionate permission level.
Technology
AI Is Moving Beyond Chat: What OpenAI, Anthropic, and Google Just Signaled
A cluster of launches from OpenAI, Anthropic, and Google showed the same durable shift: AI products are moving from isolated chat answers into research, coding, design, speech, and desktop workflows.
Learning outcome
Understand why model capability, tool access, interface design, permissions, and review steps now have to be evaluated as one system.
Technology
AI Subscription Prices 2026: Free, $20 and Pro Plans Compared
Most general AI assistants have a useful free tier and a main individual plan near $20 per month, while premium capacity can cost $100–$200. The right choice depends on workflow, limits, and review cost—not a universal ranking.
Learning outcome
Compare the price tiers of major assistants and coding tools without confusing provider capacity claims with guaranteed value.