How much experience do you have with AI?

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Free AI lessons, step by step

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How much experience do you have with AI?

Never used itI’m starting from zero.ChatGPT now and thenI roughly know how it works.Every dayI use AI a lot and want more.I’m technicalTerminals, servers and code don’t scare me.

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This is how an AI reads your text.

A language model doesn’t read words but tokens: chunks of a few letters. You pay per token, and a model’s memory is measured in tokens. Go ahead, type something.

More about tokens in “AI from zero” ›

Type a sentenceI want to learn how to build my own AI assistant!

0 tokens · 0 characters

Approximation: every model splits slightly differently. For exact counts use your provider’s official tokenizer.

Lessons to start with

Short, concrete, and immediately useful.

1. What AI is and isn'tAI from zero6 min
2. What is an LLM, really?AI from zero6 min
3. Tokens and the context windowAI from zero7 min
4. What you never paste into a chatAI security basics6 min
5. Privacy and account settings per assistantAI security basics7 min
6. The lethal trifecta: data, input and actionsAI security basics6 min

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