This is one of the most practically important tool comparisons in a sales rep's AI toolkit. The answer is straightforward: they do different things well, and the best reps use both.
Winner: Perplexity (clearly)
Perplexity searches the live web with cited sources. For "What has [Company] announced in the last 3 months?" or "What are reps saying about [Competitor] on G2?" — Perplexity gives you live, sourced information you can verify. ChatGPT with web browsing comes close, but Perplexity's citation quality and research focus make it the better default for live account intel.
Winner: ChatGPT (or Claude)
Once you have the research, Perplexity is no longer the right tool. Use ChatGPT or Claude to convert the research into a cold email, a pre-call brief, or a competitive talking point. Perplexity is a research engine, not a writing engine.
Winner: Perplexity
Live G2 reviews, recent competitor news, pricing page analysis — all require live web data. Perplexity wins here. Paste the Perplexity output into Claude to convert it into a battlecard or talking points.
Step 1 (Perplexity): "Research [COMPANY] recent news, trigger events, and pain signals related to [YOUR SOLUTION AREA]." Step 2 (Claude or ChatGPT): "Based on this research: [PASTE PERPLEXITY OUTPUT]. Write a personalized cold email that leads with the most relevant trigger event."