Pick your model · Current as of mid-2026
Claude, ChatGPT, Gemini, Grok, Perplexity. What they all do the same, what each one actually is, what each does better — and which one to reach for.
What they all do (the same)
All five are chat-based AI you talk to in plain language. Every one can answer questions, write and edit text, summarize documents, help with code, brainstorm, and — with the right mode on — search the web.
What each one is
The writer / builder.
What it is
Best reasoning, coding, and long documents. Most likely to say "I don't know" instead of bluffing.
What it does better
Coding (tops SWE-bench), long-form writing, complex reasoning, and the lowest "confident wrong answer" rate. This is the one I built my SaaS with.
The all-rounder.
What it is
Most features in one place: image generation, voice, memory, custom GPTs. The safe default if you only pick one.
What it does better
Versatility and ecosystem. Most third-party integrations, the best message volume for $20, and the most polished consumer features.
The Google one.
What it is
Lives inside Gmail, Docs, and Sheets. Huge memory (reads massive files). Native audio and video input.
What it does better
Biggest context window (reads 1M tokens — roughly a whole book at once), deepest Google Workspace integration, true audio/video understanding, and the cheapest API.
The real-time one.
What it is
Wired into X / Twitter. Best for "what's happening right now" and unfiltered, contrarian takes.
What it does better
Live social and news data, speed on simple questions, and a willingness to take a side. Weakness: the highest citation-error rate of the group — verify its claims.
The research one.
What it is
Acts like a search engine that answers in full sentences with sources cited. Built to show its work.
What it does better
Sourced answers and the lowest citation-hallucination rate. If you need facts you can trace back to a link, this one wins.
The business owner’s takeaway
One tool, all-around.
ChatGPT
Build, write, think hard.
Claude
Live in Google + huge files.
Gemini
Breaking news / the X pulse.
Grok
Research with receipts.
Perplexity
Pros increasingly run two: a builder (Claude) plus a fact-checker (Perplexity). Each runs about $20/mo; Grok runs about $30.