Tool guide · Reviewed 17 July 2026

ChatGPT

ChatGPT does a bit of everything: writing, research, files, data, images, voice and longer tasks.

A good first choice if you want one product that can handle several kinds of task without learning a different tool for each one.

See what I can do with it Help me choose a mode

At a glancePlain-English guide

Strong at: Versatility, current research, working with files, images and data
Can feel confusing: Several modes, features and plan-dependent limits
Start with: Instant for a quick task; Medium when it needs more thought
You still own: Checking facts, protecting sensitive material and deciding what leaves your hands

Learn by doing

3 useful ways to start.

Choose a reviewed task here, then use its canonical page for the complete workflow, reusable prompt and checks.

01Canonical task guide

You have meeting notes, half-finished bullets and a deadline, but the reader was not in the room.

Turn rough notes into a clear update

A short update organised around decisions, progress, blockers and next steps.

Why ChatGPT may fit

Its reviewed general-purpose writing workflow already covers organising rough notes into an update.

You still check

Facts, names and dates · What matters to this audience · Tone and permission to share

Open the complete task workflow →

02Canonical task guide

You need more than a quick answer and want to see which claims came from which sources.

Research a topic with reliable sources

A focused briefing with links, disagreements, gaps and next questions kept visible.

Why ChatGPT may fit

The reviewed guide includes a Deep Research workflow for source-linked investigations.

You still check

Whether sources are primary and current · Whether citations support the claims · Missing perspectives and applicability

Open the complete task workflow →

03Canonical task guide

You have several plausible options, competing priorities and no single answer that is best for everyone.

Compare difficult options

A side-by-side comparison, strongest counter-case and clearer questions before you decide.

Why ChatGPT may fit

Its reviewed task guidance includes criteria, trade-off and counter-case comparison.

You still check

Whether criteria reflect real priorities · Whether facts are verified · Which trade-offs are acceptable

Open the complete task workflow →

Not sure which mode to pick?

Choose by the job in front of you.

Models change how much thinking you get. Features let ChatGPT search, research, work with files or make things. Start with the simplest choice that fits the job.

I need a quick draft or explanation

Chat · Instant

I need to think through a difficult problem

Chat · Medium or High

I need one current fact with links

Search

I need a proper sourced report

Deep Research

My answer is inside my files or spreadsheet

Files & data analysis

I return to this work every week

Projects

I need an editable document, deck or spreadsheet

ChatGPT Work

I want to talk instead of type

Voice

What the buttons actually do

ChatGPT’s main features.

You do not need all of them. Learn the two or three that solve work you already have, then add more when a real need appears.

Chat

The everyday conversational workspace for asking, drafting, explaining and thinking something through.

Use it when: You can describe the task in words and want to work back and forth.
Try this: Give it a real audience, desired outcome, source material and constraints.
You still do: Supply context and decide whether the answer fits reality.

Search

Finds current information on the web and gives you links to inspect.

Use it when: You need a recent fact, a current recommendation or a quick source-backed answer.
Try this: Ask for the latest answer in your location and request primary sources.
You still do: Open the sources and check that they support the answer.

Deep Research

Takes longer to investigate a question across many sources and produces a cited report.

Use it when: The question affects a real decision and a quick search is not enough.
Try this: Describe the decision, scope, preferred sources and what would change your mind.
You still do: Judge source quality, missing perspectives and whether the conclusion applies to you.

Usage and access depend on your ChatGPT plan.

Files & data analysis

Reads uploaded documents and can use code to analyse tables, spreadsheets and CSV files.

Use it when: The answer should come from material you already have.
Try this: Ask for a data-quality check before asking for conclusions or charts.
You still do: Protect sensitive information and validate important calculations.

Projects

Keeps related chats, files and instructions together around an ongoing goal.

Use it when: You return to the same body of work and are tired of repeating the context.
Try this: Create one Project for one clear outcome, then add a short working brief.
You still do: Keep the context current and separate work that should not share information.

Voice

Lets you speak with ChatGPT instead of typing.

Use it when: Talking is easier: for brainstorming, language practice, accessibility or hands-busy work.
Try this: Ask it to interview you one question at a time, then summarise your thinking.
You still do: Review any details that may have been misheard or oversimplified.

Images

Understands images you share and can generate or edit images from instructions.

Use it when: A visual example will communicate faster than more words.
Try this: Describe the purpose, subject, composition, mood, colours and what must not appear.
You still do: Provide taste, check accuracy and confirm you have the right to use the result.

Scheduled Tasks

Runs supported prompts later or on a recurring schedule and notifies you when they are complete.

Use it when: A reminder, briefing or check needs to happen repeatedly.
Try this: Schedule a narrow weekly briefing with a clear location, topic and output format.
You still do: Review the result and stop tasks that no longer help.

Available plans and task limits vary.

Apps

Connects ChatGPT to supported external tools and data so it can find context or take approved actions.

Use it when: The useful information lives outside the chat and a supported connection exists.
Try this: Start read-only with a low-risk information-finding task.
You still do: Understand permissions and approve consequential actions carefully.

App access and controls depend on plan, region and workspace settings.

ChatGPT Work

A longer-running workspace for producing editable documents, spreadsheets, presentations, reports and other finished work.

Use it when: The task spans multiple sources and needs a deliverable, not just an answer.
Try this: Give it a brief, files, quality bar and checkpoints where it should wait for you.
You still do: Direct the work, approve key choices and review the final deliverable.

Availability and limits depend on plan and rollout.

Codex

A software-development agent for understanding code, making changes and running checks in a real repository.

Use it when: The outcome is working software rather than an explanation about code.
Try this: Give it the repository, desired behaviour, constraints and acceptance checks.
You still do: Own the product decision, review changes and approve deployment.

Current standard Chat choices

More effort is not automatically better.

Use the fastest mode that gives you a good enough answer. Move up when the problem is harder, or when the first answer falls short.

ChooseUnder the hoodUse it forEffort

InstantGPT-5.5 Instant

Quick questions, first drafts, rewrites and everyday back-and-forth.

Fastest

MediumGPT-5.6 Sol

A solid default when the answer needs real thought but not a long investigation.

More thought

HighGPT-5.6 Sol

Complex comparisons, planning, technical work or a problem where mistakes are costly.

Extended

Extra HighGPT-5.6 Sol

The hardest work when waiting longer is justified. Available on selected plans.

Longest

ProGPT-5.6 Sol Pro

Difficult or long-running tasks where capability matters more than speed. Available on selected plans.

Specialist

Keep it simple:

Start with Instant. If the answer is shallow, the problem is complex or you want a more careful comparison, try Medium. Move to High only when the extra wait is worth it.

Which choices you see depends on your ChatGPT plan and rollout. ChatGPT may also switch an eligible request from Instant to Medium automatically.

Want to inspect the detail?

Official sources behind this guide.

The guide puts usefulness first. Dates, product limits and source material live here when you need to verify a changing detail.

01GPT-5.6 in ChatGPT 02ChatGPT capabilities overview 03Deep Research 04Projects 05Apps in ChatGPT 06Scheduled Tasks 07ChatGPT Work 08ChatGPT plans 09ChatGPT release notes

Last checked against official OpenAI material on 17 July 2026. Features, plan access and limits can change; confirm the current plan page before purchasing.

Your first try

Use one real task, not ten demo prompts.

Start with a reviewed workflow and adapt it to something you already need to finish.

Open the first task