What Is AI and Why Does Claude Feel Different?
What Even Is "AI"?
Artificial Intelligence is a broad term. When most people say "AI" today, they mean large language models (LLMs) — programs trained on enormous amounts of text that can understand and generate human language.
Think of it this way: an LLM has read a significant portion of the internet, millions of books, academic papers, code repositories, and more. It learned patterns from all of that reading. Now it can predict, with remarkable accuracy, what a helpful, knowledgeable response to your question looks like.
It is not "thinking" the way humans do. But the results are often indistinguishable in practice.
What Is Claude Specifically?
Claude is an AI assistant made by Anthropic, a company founded in 2021 by former researchers from OpenAI (the company that makes ChatGPT).
The key things that make Claude distinct:
1. It's designed to be honest
Anthropic focuses heavily on what they call "Constitutional AI" — a method of training Claude to be helpful, harmless, and honest. Claude will tell you when it doesn't know something, rather than confidently making things up.
2. It's genuinely good at nuance
Claude tends to give thoughtful, nuanced answers. Ask it an ethical question and it won't just give you a simple answer — it will walk you through different perspectives.
3. It has a long memory within a conversation
Claude can hold a very long conversation in its "context window" — the amount of text it can see at once. This means you can share long documents, have extended back-and-forth, and it remembers everything you've said in that session.
4. It's not just a search engine
Google finds existing pages. Claude generates responses tailored to your specific question. It's the difference between looking something up in a library vs. having a conversation with an expert.
Claude vs. ChatGPT — What's the Difference?
Both are AI assistants and both are excellent. The main differences:
| Claude | ChatGPT | |
|---|---|---|
| Made by | Anthropic | OpenAI |
| Known for | Nuanced writing, longer context, honesty | Broad capabilities, larger plugin ecosystem |
| Coding | Excellent (especially with Claude Code) | Excellent |
| Free tier | Yes (claude.ai) | Yes (chatgpt.com) |
For this course, we're using Claude because of Claude Code — Anthropic's purpose-built coding assistant that integrates directly with your computer. It's genuinely the best tool for what we're building.
What Can Claude Actually Do?
In a nutshell, Claude can do almost anything these days. By itself, it can't do much. But given the right tools (e.g. web search + connectors + MCP servers), it can do literally almost anything!
Here's a non-exhaustive list:
Writing & Communication
- Draft emails, proposals, reports, presentations
- Rewrite something in a different tone (more professional, more casual, etc.)
- Summarize a long document into bullet points
Research & Analysis
- Explain complex topics in plain language
- Compare options and give recommendations
- Analyze a spreadsheet or document you paste in
Coding (This is big for us)
- Write code from a plain-English description
- Explain what existing code does
- Debug errors
- Build entire applications with Claude Code
Thinking Partner
- Brainstorm ideas
- Challenge your assumptions
- Help you structure your thinking
Video Editing
- Add captions
- Cut filler words
- Piece together video sequences and hooks
- Basically orchestrate and perform the entire video edit
What Claude Cannot Do
Be honest with yourself about these limitations:
- It can be wrong. Claude sometimes makes factual errors, especially about recent events or very specific details. Always verify important facts.
- It doesn't browse the web (unless given a tool to do so). Its knowledge has a training cutoff.
- It doesn't remember previous conversations by default. Each new chat starts fresh.
- It can't take actions in the world on its own (without tool access). It can write an email, but it can't send it.
Key Concept: This Is a Conversation
The most important mental shift: Claude is not a search bar. You don't need to type keywords. You talk to it like a person.
Don't do this:
"email template professional client meeting"
Do this:
"I need to email a client to reschedule our meeting from Thursday to next Monday. Keep it brief and professional. My name is David."
The more context you give, the better the result. We'll go deep on this in Lesson 3.
Summary
- AI (in this context) = programs trained on massive amounts of text that generate helpful responses
- Claude is made by Anthropic, known for honesty, nuance, and strong coding ability
- Claude generates responses tailored to your question — it's not a search engine
- Claude can help with writing, research, analysis, and especially coding
- Always verify important facts; Claude can be wrong