Which AI Tool for Which Job: Your Everyday Decision Guide

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You've made it through the course. You know how to summarize, write, present, run meetings, research, and chain tools together. Now let's answer the question every new AI user eventually asks: "Which tool should I open first?"

This tutorial is your reference guide. Bookmark it.

The Short Answer

Most of the time, the answer is ChatGPT or Claude. They handle 80% of everyday tasks. But knowing when to reach for a different tool is what separates casual users from efficient ones.

Tool-by-Tool Breakdown

ChatGPT (chatgpt.com)

Best for: Writing, brainstorming, summarizing, coding help, explaining concepts, drafting anything from scratch Free tier: Yes, GPT-3.5 is free; GPT-4 requires a paid plan When to use it:

You need a first draft of anything (email, post, report, script)
You want to brainstorm ideas quickly
You have a question and want a detailed explanation
You want to rewrite something you've already written

When NOT to use it: When you need real-time information or cited sources. It may hallucinate outdated facts on recent events.

Claude (claude.ai)

Best for: Long documents, careful writing, complex reasoning, thoughtful instruction-following Free tier: Yes When to use it:

You're working with a long document (report, contract, book chapter) and need careful analysis
You want writing that's more thoughtful and less "AI-sounding"
You need the AI to follow complex, multi-step instructions precisely
You care about a measured, non-sensationalist tone

When NOT to use it: For casual quick questions. ChatGPT is faster for that.

Perplexity (perplexity.ai)

Best for: Research, fact-checking, getting sourced answers, anything where accuracy and recency matter Free tier: Yes When to use it:

You're researching a topic and need sources you can actually verify
You want current information (news, recent events, prices, statistics)
You're fact-checking a claim before sharing it
You need a quick overview of a company, person, or topic

When NOT to use it: For writing or content creation. Perplexity is a search/research tool, not a writer.

Gemini (gemini.google.com)

Best for: Anything within Google Workspace, Gmail, Docs, Drive, Sheets Free tier: Yes with a Google account When to use it:

You live in Google Docs and want AI to help without leaving the app
You want to ask questions about a PDF in your Google Drive
You're drafting emails in Gmail and want inline suggestions

When NOT to use it: For tasks completely outside Google's ecosystem. The other tools are often better there.

Gamma (gamma.app)

Best for: Turning outlines or notes into visual presentations Free tier: Yes (with export limits) When to use it:

You need a slide deck and you don't want to design it
You have notes or a document and want it turned into a presentation
You're pitching an idea and want something that looks polished fast

When NOT to use it: For highly customized brand presentations where exact visual control matters. Use PowerPoint or Google Slides.

Otter.ai (otter.ai)

Best for: Meeting transcription, audio summarization, action item extraction Free tier: Yes (limited monthly minutes) When to use it:

You're in a meeting and want it transcribed and summarized
You have a recorded call (Zoom, Teams) and need notes
You want to capture action items without taking notes by hand

When NOT to use it: For anything not audio/meeting-related. It's a specialized tool.

Grammarly (grammarly.com)

Best for: Polishing writing for grammar, clarity, tone, and style Free tier: Yes (basic checks) When to use it:

You've drafted something (even with AI help) and want a final polish
You want real-time grammar and tone feedback as you type
You're writing in Gmail, Slack, Google Docs, or any browser-based editor

When NOT to use it: For generating content from scratch. It's a writing coach, not a writer.

Canva (canva.com)

Best for: Social media graphics, simple visual design, AI image generation Free tier: Yes When to use it:

You need a visual to go with your social media post
You want to create a thumbnail, banner, or infographic without design skills
You need AI to generate an image from a text description

When NOT to use it: For complex branding or print design work. Professional designers use more specialized tools.

The Quick Decision Chart

You need to...	Reach for...
Write a first draft	ChatGPT or Claude
Summarize something	ChatGPT or Claude
Research a fact-based question	Perplexity
Work inside Google Docs/Gmail	Gemini
Create a slide presentation	Gamma
Get meeting notes automatically	Otter.ai
Polish and proofread writing	Grammarly
Create a social graphic	Canva
Write code or a script	ChatGPT or Claude
Find recent news or statistics	Perplexity
Write a long, complex document	Claude
Brainstorm a list of ideas	ChatGPT

The Stack That Works for Most People

If you only want to start with two tools, start with ChatGPT and Perplexity. That combination covers writing, brainstorming, explaining, researching, and fact-checking. That is 90% of what most people do with AI.

When you're comfortable there, add Grammarly (for writing polish), then Gamma (for presentations), then Otter (for meetings).

A Note on Trying New Tools

All the major AI tools have free tiers. The best way to figure out which one clicks for you is to try the same task in two different tools and compare the output. Your gut will tell you which one fits your workflow.

There's no wrong answer. The best AI tool is the one you actually use.

You've Completed AI for Beginners

Here's what you can now do:

Explain what AI is and how it works
Summarize any long article or document
Draft professional emails with the right tone
Create social media posts that sound like you
Build presentations from an outline in minutes
Get automatic meeting notes and action items
Research with cited, real-time sources
Write better prompts that get better results
Chain tools together for complex workflows
Know which tool to reach for in any situation

That's a real skill set. Use it.

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