Everything you need to get the most out of Fello AI
Fello AI gives you 30+ frontier AI models in a single native app for Mac, iPhone, and iPad. Whether you're brand new or looking for advanced tips, here's where to start.
What do you want to do?
Working with PDFs
Analyze, summarize, and extract data from any PDF. Upload up to 16 files at once, up to 500 pages each.
Learn more →Generating Images
Create and edit images with GPT Image, FLUX, and other generation models using simple text descriptions.
Learn more →Research and Web Search
Use Perplexity Online or other web-connected models to get up-to-date answers with cited sources.
Learn more →Creating Reports
Export any AI conversation as a PDF, Word doc, or PowerPoint presentation directly from the app.
Learn more →AI Podcasts and News
Stay current with the latest AI model releases, comparisons, and practical how-to coverage.
Learn more →Comparing AI Models
Not sure which model to use? Read side-by-side comparisons of GPT-5.6, Claude, Gemini, and more.
Learn more →Where most people start
From your first chat to power-user workflows — pick the level that fits where you are.
Just getting started
Get your bearings and pick the right model for the job.
The Best AI Models Right Now
A plain-English ranking of every major model so you know which one to reach for first.
Best Free AI Chatbot in 2026: Tested Against Real Message Limits
We tested every major free AI tier to find out which ones are actually useful before hitting a paywall.
Claude vs ChatGPT: Which AI Is Actually Better in 2026?
A practical head-to-head across writing, coding, and reasoning to help you choose a default.
Everyday use
The workflows people run day in, day out.
How to Use AI with PDFs to Edit, Convert, and Analyze Files
The complete 2026 guide to uploading, summarizing, and extracting insights from PDF documents.
How to Use AI in Word to Create and Edit Documents
Speed up drafting, editing, and formatting in Microsoft Word using AI prompts and exported conversations.
How to Use AI in Excel to Create and Edit Spreadsheets
Formulas, data analysis, and automation made easier with AI prompts you can run directly in Fello AI.
How to Use AI in PowerPoint: The Complete Guide
Draft slides, outlines, and speaker notes, then export a finished deck straight from a conversation.
Power user
Squeeze more out of every model.
What Are AI System Instructions and How to Use Them
Set custom instructions once and every conversation follows your preferred tone, format, and style.
AI Search and Deep Research, Compared
When to use web-connected models and deep-research modes to get sourced, up-to-date answers.
The Ultimate GPT-5 Model Comparison
Every GPT-5 variant explained: strengths, speed, pricing, and which tasks each model handles best.
PDF to PowerPoint with AI
Turn any document into a presentation in minutes using AI to extract key points and structure slides.
Did you know Fello AI is on all your devices?
It's one app for Mac, iPhone, and iPad, with your chats synced across all of them. Already using it on one? Add it to the others — it's free.
Download on the App Store