AI Model Comparison
Perplexity vs ChatGPT
Perplexity and ChatGPT are both AI assistants, but they are built for different jobs. Perplexity is a research engine with a chat interface. ChatGPT is a chat assistant that can also search. Knowing which to reach for saves you a lot of time.
Research and citations
Winner: Perplexity. Every answer comes with citations, and the product is built around source transparency. For find-and-synthesize tasks, it is the cleanest experience available.
Open-ended conversation
Winner: ChatGPT. For brainstorming, drafting, roleplay, and tutoring, ChatGPT is the richer conversational partner.
Real-time information
Both can search the web. Perplexity does it by default and does it well. ChatGPT does it on demand and is sometimes overconfident about stale information when search is not triggered.
Coding and tools
Winner: ChatGPT. Code interpreter, custom GPTs, and broader tool use make it a full workbench. Perplexity is not competing in this lane.
Price
Both offer free tiers and roughly 20 dollar per month pro tiers. Many serious researchers pay for Perplexity Pro specifically for the citation quality.
The verdict
Use Perplexity when you need sourced research. Use ChatGPT when you need a thinking partner, a writer, or a coder. They are complements, not substitutes.
Try it yourself in Gauntlet
Ask one question. Get answers from Claude, GPT-4, Gemini, and Grok side by side.
Open GauntletFrequently asked questions
Is Perplexity better than ChatGPT?
For research and citations, yes. For conversation, writing, and code, no.
Does ChatGPT have citations?
When browsing is triggered, yes. Perplexity citations are more consistent because they are core to the product.
Which should I pay for?
If you mostly research, Perplexity Pro. If you mostly create, ChatGPT Plus. If you want both answers to every question, Gauntlet.