FreemiumListed
Perplexity
Perplexity AI
An answer engine that responds to questions in plain language and cites its sources — free to use at perplexity.ai, with a paid Pro plan for more powerful models and higher limits on its deeper research modes.
Head to head
Perplexity vs ChatGPT
Perplexity is built around cited answers; ChatGPT is a broad assistant. If you mainly want to look things up and see sources, that framing matters.
The two tools
FreemiumListed
ChatGPT
OpenAI
OpenAI's widely used AI assistant for writing, coding, and everyday questions — free to use at chatgpt.com with an account, with paid Go, Plus, and Pro plans for higher limits and stronger models.
How they compare
| Fact | Perplexity | ChatGPT |
|---|---|---|
| Provider | Perplexity AI | OpenAI |
| Category | Research & Reference | AI Assistant |
| Pricing | Freemium | Freemium |
| Verification | Listed | Listed |
| Listed | Sep 2026 | Sep 2026 |
The verdict
Use Perplexity when you want answers with citations you can check; use ChatGPT for open-ended help, drafting, and its wider toolset. Both are free to start.
Nothing here is ranked or chosen for money — see editorial independence. Read the full listings for Perplexity and ChatGPT, or browse the whole directory.