AI tool cheat sheets / ChatGPT
ChatGPT hacks for power users
ChatGPT is OpenAI's assistant, and its real edge is the ecosystem around it: image generation, web browsing, and file tools. Power users lean on Custom Instructions, Projects, custom GPTs, and Deep Research rather than one endless chat. This guide covers the features and hacks that separate casual use from a real workflow.
Last verified: 2026-07-06. Free tiers and features change, so check the official site.
At a glance
- Maker
- OpenAI.
- Best for
- An all-in-one assistant with image generation, web browsing, and file tools.
- Power features
- Custom Instructions, Projects, custom GPTs, and Deep Research.
- Its edge
- The surrounding ecosystem, not just the raw model.
Features and hacks
Custom Instructions Persistent behavior across chats.
Example: Split "how to respond" from "who I am".
Projects Scoped memory and files.
Example: One project per client or domain.
GPTs Specialized workflows.
Example: Only build one when instructions repeat daily.
Deep Research Long, sourced reports.
Example: Start narrow and add sources iteratively.
Canvas Co-edit a doc or code.
Example: "Edit the doc, do not rewrite from scratch."
Memory Cross-chat preferences.
Example: Toggle it off for sensitive work.
Voice mode Hands-free use.
Example: Good for brainstorming, not precise code.
Web browse Current events and live data.
Example: Verify citations manually.
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Tips
Projects over endless chats
Use a Project instead of one endless chat so you can reset context without losing your files and instructions.
Rules, not essays
Keep Custom Instructions to concrete rules. A short list of do and do-not beats a long paragraph about yourself.
Ask for structured output
Request a table or JSON when the result feeds a downstream tool, so you can paste it straight in without cleanup.
Format first for research
For Deep Research, give the final format up front, like a memo, a slide outline, or an FAQ, so the report lands usable.
Play to the ecosystem
Do not duplicate another model's strength. Reach for ChatGPT when you want image generation, browsing, or Office file tools.
GPTs only when it repeats
Build a custom GPT only when the same instructions come up daily. Otherwise a Project or a saved prompt is simpler.
Workflow ladder
Set Custom Instructions once so every chat matches your tone and format.
Run a Project per topic with its own files and scoped memory.
Build a custom GPT for a workflow you repeat daily, and run Deep Research with a fixed output format.
Frequently asked questions
- Are ChatGPT Custom Instructions worth using?
- Yes. They apply to every new chat, so you stop re-explaining your tone and format. Keep them to concrete rules rather than a long self-description.
- When should I build a custom GPT instead of a Project?
- Build a custom GPT only when the same instructions come up daily and you want a shareable, one-click workflow. For occasional work, a Project with files is simpler.
- What is ChatGPT Deep Research best at?
- It is best for long, sourced reports. Start narrow, add sources iteratively, and give it the final format up front, like a memo or an FAQ.
This is reference content. The prompts and settings run in your own AI tool, not on glunty, so reading this page makes zero requests to those services. Details change often, so verify current pricing and limits on the official site.
Official reference: ChatGPT docs. Details change, so verify version-specific features there.
Related on glunty: AI prompt library, Prompting basics, Claude tips.
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