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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.

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

Beginner

Set Custom Instructions once so every chat matches your tone and format.

Intermediate

Run a Project per topic with its own files and scoped memory.

Master

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.

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