Learn ChatGPT.
The most widely used AI assistant. Learn how to get the most out of ChatGPT for writing, coding, analysis, and everyday productivity.
Open ChatGPT ↗- 01Go to chat.openai.com and click "Sign up" with your email, Google, or Apple account.
- 02Verify your email address and complete the onboarding prompts.
- 03Start chatting immediately on the free tier, or upgrade to Plus for GPT-4o and advanced features.
- 04Explore the sidebar to find Custom GPTs, image generation, and file upload tools.
| Plan | Price | What you get |
|---|---|---|
| Free | $0 | GPT-5.2 access (limited messages) · Basic image generation · Web browsing |
| Plus | $20/mo | GPT-5.4 Thinking access · DALL-E image generation · Advanced voice mode · Custom GPTs and Codex · Deep Research |
| Pro | $200/mo | GPT-5.4 Pro (most capable) · 1M token context window · Near-unlimited messages · Extended Sora video · Research previews |
Use Custom Instructions
Set your preferences once in Settings > Personalization > Custom Instructions. Tell ChatGPT your role, communication style, and what kind of responses you prefer. This saves you from repeating context in every conversation.
Custom instruction: "I'm a marketing manager. Keep responses concise and actionable. Use bullet points. Avoid jargon unless I use it first."
Be Specific About Format
ChatGPT responds well to explicit formatting instructions. Tell it exactly how you want the output structured.
Instead of: "Give me ideas for a blog post" Try: "Give me 5 blog post ideas about remote work productivity. For each, include: a headline (under 60 chars), a one-sentence hook, and 3 key points to cover."
Iterate and Refine
Your first prompt rarely gives the perfect result. Treat the conversation as a collaboration. Ask ChatGPT to adjust tone, add detail, shorten, or try a different angle.
"Make it more casual" "Add specific numbers and statistics" "Rewrite this as if explaining to a 10-year-old"
Upload Files for Context
Instead of pasting long text into the chat, upload the actual file. ChatGPT handles PDFs, spreadsheets, images, and code files. It can analyze, summarize, extract data, or answer questions about the content.
Use GPTs for Repeated Tasks
If you find yourself writing similar prompts repeatedly, create a Custom GPT with those instructions baked in. For example, a "Meeting Notes Summarizer" GPT that always formats notes the same way.
Writing→
I need to write a professional email declining a meeting invitation. The meeting is about Q3 budget review, scheduled for Thursday. I have a conflict with a client presentation. Keep it polite but firm, under 100 words.
※ Specific context, clear constraints (word count, tone), and a defined output format help ChatGPT produce a usable first draft.
Analysis→
I'm uploading a CSV of our website traffic for the last 6 months. Identify the top 3 trends, any anomalies, and create a bar chart showing monthly unique visitors. Summarize findings in 3 bullet points.
※ Combines file analysis with Code Interpreter. ChatGPT runs actual Python code to analyze your data and generate charts.
Coding→
Write a Python function that takes a list of dictionaries with "name" and "score" keys, and returns the top 3 entries sorted by score descending. Include type hints and a docstring.
※ Clear input/output specification, mention of code quality requirements (type hints, docstring) gives structured, professional results.
Creative→
Generate a minimalist logo concept for a coffee shop called "Morning Ritual." Style: clean lines, warm earth tones, no text in the image. Show the concept from two different angles.
※ Leverages DALL-E integration. Specific style direction prevents generic outputs.
Research→
Search the web for the latest developments in solid-state batteries as of 2026. Focus on which companies are closest to mass production, estimated timelines, and key technical breakthroughs. Cite your sources.
※ Activates web browsing for current information. Asking for citations encourages sourced, verifiable answers.