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Introduction
Hi, and welcome to Claude from Zero to Expert. In this series we learn to use Claude, from your very first conversation all the way to building your own apps and automations. In this first episode we get to know Claude: what Claude is, what it can do, how it differs from ChatGPT and Gemini, and which features we will master.
Step 1: What is Claude?
Claude is a conversational AI assistant made by the company Anthropic. Using it is simple: we type a request in everyday language, and Claude answers. You don't need to learn a programming language. If you can explain a task to a coworker, you can explain it to Claude. The first kind of work that fits best is writing: emails, captions, product descriptions, or reports. Second, reading. Claude is strong at summarizing long documents such as PDFs, contracts, or meeting notes. Third, analyzing. Give Claude sales data or survey results, then ask it to find patterns and explain them. Fourth, creating. Claude can build checklists, calculators, web pages, and even small apps you can use right away. One thing to remember from the start: Claude is not a search engine. It builds answers from its language abilities, so we still check important numbers and facts. Before getting too excited, know its weaknesses too. First, Claude can be wrong with great confidence. This is called hallucination: the answer sounds right, but it's wrong. Second, Claude's knowledge has a cutoff date. For recent events, such as this week's market prices, Claude needs the web search feature. Third, Claude is not a place to keep secrets. Sensitive data such as bank account numbers or customers' personal data remains our responsibility. These weaknesses are no reason to be afraid. By knowing them, we know when to double-check and when we can use the result right away.
Step 2: A real example: Claude helps Sunset Coffee
Let's look at an example. Laras, who owns the Sunset Coffee coffee shop in Bandung, wants an Instagram caption for a gift hamper promo. She writes her business context, the task, and a three-sentence limit. Within seconds Claude gives a casual caption that mentions the price and invites buyers to order via DM. Laras remembers there's a sugar-free version. She doesn't need to rewrite anything; she just asks for that extra detail. Claude revises the caption without changing its style. This is the working pattern we'll use often: ask, read, then refine. The second example comes from an office. Dewi, operations manager at Maju Bersama Co., pastes long meeting notes and asks for three key decisions plus a task list. Claude separates decisions from tasks neatly. Work that usually takes half an hour is done in seconds; Dewi just reviews it before sharing it with the team. These two examples show that Claude is useful for small businesses and office work alike. What matters is explaining your needs clearly. We can sum up that pattern in four parts. First, context: who we are and what business we run. Second, the task: what we're asking for, stated clearly. Third, the format: length, tone, or the shape of the result, such as a table. Fourth, revise. The first result is rarely perfect, and that's normal. We'll go deeper into this pattern in the Prompt Basics session.
Step 3: How it differs from ChatGPT and Gemini
The most common question: how is Claude different from ChatGPT and Gemini? The three are made by different companies: Anthropic, OpenAI, and Google. In terms of strengths, Claude is known for tidy writing and for handling long documents comfortably. ChatGPT is known for its very complete feature set, and Gemini is strong because it connects to Google services. Claude's signature features are Projects, Artifacts, and Claude Code. These three are the backbone of this class. So Claude is a great fit for writing, analysis, and coding. But everyone's needs are different, and all three keep getting updated. My advice is simple: don't be loyal to just one tool. Try the same task in several assistants, then use the one whose results fit your work best. To make it practical, here's a guide to when Claude deserves to be your first choice. First, when you need long, tidy, consistent writing. Second, when you have to read and summarize thick documents, such as an annual report or a partnership contract. Third, when you want results you can use right away, such as a price calculator or a promotional web page. Fourth, when you want to build apps or automations without writing code yourself. At the end of the class, we'll do exactly that with Claude Code. One note: for breaking news, Claude needs the web search feature. Without it, its information is limited to what it has already learned.
Step 4: The feature map we will master
Now for our roadmap. The first feature is chat, where we ask, write, and summarize. It's the foundation for every other feature. Second, Projects: a workspace where Claude remembers your instructions and files, such as a product catalog and SOPs, so you don't have to explain them again. Third, Artifacts: Claude's work that appears in its own panel and can be used or shared right away. Fourth, Claude Code: Claude works on your computer to build websites, apps, and automations. This is the expert part at the end of the class. To give you a picture, here's a preview of an Artifact we'll build later. Laras asks for an order total calculator with Sunset Coffee's shipping rules. Claude builds the calculator in the right panel. Two liters of iced coffee and one cold brew make a subtotal of two hundred twenty-five thousand rupiah, so shipping is free. Laras didn't write a single line of code. She only explained her business rules. The screens in this video are simulations, and menu names may differ slightly because Claude is updated often.
Step 5: Learning path and safety rules
This class has one hundred short episodes, each about ten minutes long, so they're easy to fit between your work. Those hundred episodes are split into twenty sessions. Every session has a real result you can use. There are three levels: beginner in sessions one to seven, intermediate in sessions eight to fourteen, and expert in sessions fifteen to twenty. Before we start, build three safety habits. First, don't paste customers' personal data, bank account numbers, or passwords into the conversation. Second, check numbers, names, and important facts. Claude can be wrong very convincingly. Third, read the results before using or sending them. You remain the one responsible; Claude is the assistant. Finally, four ways to learn most effectively. First, watch and then practice right away. Open Claude in the next window and follow the steps. Second, use your own work. The Sunset Coffee examples help you understand the concepts, but the real benefit comes from your daily tasks. Third, save the prompts that work in one note. Over time you'll have your own personal prompt library. Fourth, don't hesitate to rewatch an episode that feels hard. Each episode is only about ten minutes.
Done!
We've met Claude, learned the context, task, format, and revise pattern, seen how it differs from ChatGPT and Gemini, and mapped the four features we will master. In the next episode we create an account and tour the Claude interface, from the chat box to the Projects menu. See you there!
Practice exercises
Try these on your own after watching to lock in what you learned.
Write down three routine tasks you'd like to hand over to Claude
For each task, mark it as writing, reading, analyzing, or creating something
Pick the most frequent task and save it for the episode 3 exercise
Ask the class material
Type a question or keyword; we find the part of this episode that explains it and jump the video there.
My notes
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Questions & answers
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Your instructor
Cerdas Inovasi Digital Team
Software developers, BIM & 3D engineers, and AI practitioners
53 video classes1,283 episodes
We build software, BIM models, games and AI automations for clients every day, and turn that hands-on work into step-by-step classes: every step is shown on screen and comes with a PDF guide you can keep.
