OpenAI CEO Sam Altman praised Perplexity AI CEO Aravind Srinivas for developing a competing Deep Research project inspired by China’s DeepSeek AI. This comes after OpenAI recently integrated Deep Research into ChatGPT, prompting Srinivas to launch a similar solution—one that is faster and more affordable, though less accurate.
The exchange started when OpenAI CEO Sam Altman announced a new update to ChatGPT, based on the GPT-4o model, calling it “pretty good” and promising even bigger improvements soon.
“We put out an update to ChatGPT (4o). It is pretty good. It is soon going to get much better, team is cooking,” Altman posted on X.
His somewhat vague statement prompted a response from Perplexity AI CEO Aravind Srinivas, who asked, “Sorry, what’s the update?”
Altman replied, “Among many other things, it’s the best search product on the web! Check it out and let me know what you think.”
Srinivas, clearly amused, responded with, “Lol, I just mogged you yesterday, check this out,” referencing a post about Perplexity’s launch of its own Deep Research feature.
Rather than engaging in rivalry, Altman took a lighthearted approach, alluding to a recent conversation—possibly at the Paris AI Summit—where Srinivas had apologized for past criticism.
“Since you nicely apologized to me in person for all the mean tweets last week, I’m going to let this go 🙂 Keep cooking out there! Proud of you,” Altman replied.
Deep Research: Perplexity vs. ChatGPT
Perplexity AI describes its Deep Research tool as an advanced AI agent that conducts dozens of searches, reviews hundreds of sources, and strategically determines the next steps—mimicking the workflow of a human researcher. Once it compiles the necessary source material, the AI generates a clear and comprehensive report, which can be exported as a PDF or shared as a Perplexity page.
Despite its capabilities, Perplexity acknowledges that its Deep Research tool trails behind ChatGPT’s version in the Humanity’s Last Exam accuracy rankings. However, it asserts that its AI outperforms competitors like Gemini Thinking, o3-Mini, Grok 2, and Claude 3.5 Sonnet on the same benchmark.
While ChatGPT’s Deep Research may have superior accuracy, Perplexity CEO Aravind Srinivas claims that his platform’s tool is significantly faster and more cost-effective than OpenAI’s offering. Pricing and access also differ—ChatGPT limits Pro users to 100 queries, whereas Perplexity provides 500 queries per day for paid users, along with a limited free tier.
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