ChatGPT's Deep Research had a solid, seemingly accurate answer, saying the episode came from the Starz series Counterpart, specifically “Both Sides Now," which was the fourth episode of the first season. It cited the show's own episode summary and wiki.

Perplexity AI is now offering Deep Research for free. The feature takes extra time to go over multiple sources online and use reasoning models to spit out a detailed report, giving you more detail than a standard AI search.

Perplexity has become the latest AI company to release an in-depth research tool, with a new feature announced Friday. Google unveiled a similar feature

At launch, Perplexity’s Deep Research tool will be free for all logged-in web users. It will roll out to iOS, Android, and Mac. However, only Perplexity Pro subscribers will get unlimited queries. Others will have to contend with a limited number of answers per day, Perplexity said.

The AI search engine’s new tool “performs dozens of searches, reads hundreds of sources, and reasons through the material to autonomously deliver a comprehensive report.” It’s similar to the research tools offered by ChatGPT and Google Gemini,

Whether you're diving into finance, marketing, technology, or product research, Deep Research saves you time while providing expert-level insights.

Perplexity AI released a new feature called Deep Research, which performs in-depth research within minutes. If it sounds familiar, that’s because OpenAI released a feature earlier this month

Perplexity launches free Deep Research feature, offering AI-powered research capabilities that analyze hundreds of sources in minutes, challenging paid alternatives from OpenAI and Google.