No Priors

No Priors Ep. 9 | With Perplexity AI’s Aravind Srinivas and Denis Yarats

Sarah Guo and Aravind Srinivas on perplexity Founders Reimagine Search As Trustworthy Conversational Answer Engine.

Sarah GuohostAravind SrinivasguestDenis YaratsguestElad GilhostSarah Guohost
Apr 25, 202339m
Founding story and evolution of Perplexity AI’s product directionBuilding a high-velocity engineering culture and hiring philosophyFrom search engines to conversational 'answer engines'Factual accuracy, citations, and handling hallucinations and biasUse of reinforcement learning and human feedback in PerplexityMonetization models and competitive dynamics with Google/BingCareer advice for AI researchers and the role of academia vs industry

In this episode of No Priors, featuring Sarah Guo and Aravind Srinivas, No Priors Ep. 9 | With Perplexity AI’s Aravind Srinivas and Denis Yarats explores perplexity Founders Reimagine Search As Trustworthy Conversational Answer Engine Perplexity AI founders Aravind Srinivas and Denis Yarats discuss how they built a small, extremely fast-iterating team to create a citation-first, conversational search product aimed at becoming the most trusted information service.

At a glance

WHAT IT’S REALLY ABOUT

Perplexity Founders Reimagine Search As Trustworthy Conversational Answer Engine

  1. Perplexity AI founders Aravind Srinivas and Denis Yarats discuss how they built a small, extremely fast-iterating team to create a citation-first, conversational search product aimed at becoming the most trusted information service.
  2. They emphasize hiring for raw drive and engineering excellence over prior ML/LLM pedigree, drawing on lessons from academia, OpenAI, DeepMind, and big-tech research cultures.
  3. A core product philosophy is factual accuracy via mandatory citations and reinforcement learning from human feedback, positioning Perplexity as an 'answer engine' rather than a traditional link-based search engine.
  4. They explore the future of search, likely monetization paths, the changing relationship with publishers, and offer advice to researchers choosing between academia, industry, and startups in today’s AI boom.

IDEAS WORTH REMEMBERING

7 ideas

Speed of iteration is the core startup advantage over incumbents.

Perplexity’s founders deliberately built a tiny, highly capable team, prioritized fast experimentation, and avoided spreading efforts across too many products, recognizing that speed is their only durable edge against large search incumbents.

Hire for drive and general engineering excellence, not narrow LLM credentials.

They prioritize candidates with strong systems/engineering skills and a 'burning desire' to work on AI, often using trial work periods to assess fit, and explicitly reject the idea that only prior LLM experts can succeed in an AI-first company.

A citation-first design can fundamentally improve trust in AI answers.

Perplexity is built to never state facts it cannot cite, treating citations as foundational rather than an add-on, which both constrains hallucinations and gives users transparency into sources and the ability to prune irrelevant ones.

Answer engines will shift user behavior from link-clicking to consuming synthesized responses.

They expect search to evolve toward conversational, follow-up-rich 'answer engines' that surface a few high-quality sources, reduce tab overload, and increasingly perform actions on behalf of users.

Publisher incentives may realign around quality rather than SEO hacks.

Because LLMs assess semantic relevance, the founders believe high-quality content will be cited more than keyword-stuffed pages, potentially reducing classic SEO gaming and making citation ranking closer to academic-style PageRank.

Monetization likely comes after product-market fit, via multiple possible channels.

They outline options such as APIs, prosumer subscriptions (e.g., via browser extensions), ads decoupled from core search results, and enterprise/internal-data use cases, but are currently focused on growth and product quality.

For researchers, the biggest opportunities lie beyond incremental transformer work.

They advise aspiring academics either to pursue radically new architectures or domains (e.g., 'the next transformer', video, efficiency methods like flash attention) or to gain strong engineering experience in industry before a PhD.

WORDS WORTH SAVING

5 quotes

Iteration speed is the only thing you can hope for if you don’t yet know your product or market.

Aravind Srinivas

Perplexity is a citation-first service; it’ll never say anything that it cannot cite.

Aravind Srinivas

I would rather get somebody who has this burning desire to work on these things than somebody who already has a lot of experience.

Denis Yarats

The companies that made the most progress over the last six years were the ones with extremely good engineers.

Denis Yarats

It’s best to look for alternatives to the transformer; I would work on trying to write the next transformer paper.

Aravind Srinivas

QUESTIONS ANSWERED IN THIS EPISODE

5 questions

How can Perplexity systematically detect and correct subtle aggregation errors, like merging information about different people with the same name?

Perplexity AI founders Aravind Srinivas and Denis Yarats discuss how they built a small, extremely fast-iterating team to create a citation-first, conversational search product aimed at becoming the most trusted information service.

What specific product features will most clearly differentiate Perplexity from a Google or Bing answer engine once they fully deploy LLM-based search?

They emphasize hiring for raw drive and engineering excellence over prior ML/LLM pedigree, drawing on lessons from academia, OpenAI, DeepMind, and big-tech research cultures.

How might Perplexity design an ad or monetization model that preserves trust and avoids the pitfalls of blending ads into core answers?

A core product philosophy is factual accuracy via mandatory citations and reinforcement learning from human feedback, positioning Perplexity as an 'answer engine' rather than a traditional link-based search engine.

In what ways could users be safely empowered to collaboratively correct or curate Perplexity’s answers without opening the door to manipulation or censorship?

They explore the future of search, likely monetization paths, the changing relationship with publishers, and offer advice to researchers choosing between academia, industry, and startups in today’s AI boom.

What radical post-transformer directions in AI architectures do the founders find most promising, and how might those affect Perplexity’s long-term roadmap?

EVERY SPOKEN WORD

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