Fresh drops: AI news, explainers and how-tos from Yuzoki

Fresh drops is the free reading section of Yuzoki, an AI-education project. It has short articles about AI tools such as ChatGPT, Claude, Gemini and Copilot. News posts explain what changed and what it means for your work. Explainers cover the big ideas, and how-tos give you steps you can use today. Each post is marked with a level, either Start here or Get good. There are 31 posts right now: 16 news posts, 7 explainers and 8 how-tos. Below the posts is a plain-English AI glossary with 16 terms.

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AI glossary: AI words in plain English

These are short definitions of common AI terms, written for people who are new to AI.

Agent
An AI that plans steps and uses tools to reach a goal, not just answer one message.
API
A way for software to talk to an AI model directly, without the chat app.
Context window
How much text a model can consider at once, including your files and the chat so far.
Custom GPT
A version of ChatGPT with saved instructions, files and examples for one job.
Fine-tuning
Training an existing model further on your own examples so it gets better at one task.
Hallucination
When a model states something false as if it were true.
LLM
Large language model. The kind of AI behind ChatGPT, Claude and Gemini.
Multimodal
A model that understands more than text, like images, audio or video.
Open-weight
A model whose weights are published so anyone can run it, within its licence.
Prompt
The instructions and context you give an AI.
RAG
Retrieval-augmented generation. The AI looks up your documents before answering.
Reasoning model
A model that works through a problem step by step before answering. Slower, but better at hard tasks.
Skill
A packaged set of instructions and files an AI loads when a task needs it.
System prompt
Hidden instructions that shape how an AI behaves in every message.
Token
A small piece of text, roughly three quarters of a word. Models count and charge in tokens.
Vibe coding
Building software by describing it in plain language and letting AI write the code.

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