Agents at Work 16: What LLMs are looking for with Thais Castello (Exa.ai)

Agents at Work 16: What LLMs are looking for with Thais Castello (Exa.ai)

From Agents at work by Jordi Montes (Fewsats)

July 31, 2025 · 59 min · Season 1 · Episode 16

About this episode

Jordi Montes interviews Thais Castello about the future of search engines designed for AI agents and the challenges faced by LLMs.

In this episode of Agents at Work , Jordi Montes sits down with Thais Castello , Head of Marketing & Strategy at Exa.ai , the company building the first search engine designed for AI agents. They explore: Why LLMs need a new kind of search (and why Google won’t cut it) How semantic search turns the web into a “queryable database” for AI The role of speed, privacy, and customization in powering agent workflows What it takes to build search infrastructure for AI at web scale Why the future of AI depends on marrying intelligence with knowledge Thais shares Exa’s vision for the next generation of search, built not only for humans, but for machines. She also dives into the creativity of their customers, the research breakthroughs behind Exa’s tech, and why performance is becoming the biggest bottleneck for AI systems. If you’ve ever wondered how AI agents actually find the information they need , or why search is quietly becoming the foundation for the next wave of AI, this episode is a must-listen.

People in this episode

Host: Jordi Montes

Guest: Thais Castello

Topics covered

  • LLMs
  • search engines
  • AI agents
  • semantic search
  • AI infrastructure
  • performance in AI

Keywords

  • AI agents
  • search engine
  • LLMs
  • semantic search
  • Exa.ai
  • Google
  • performance
  • infrastructure

Mentioned in this episode

Organizations: Exa.ai, Google

More episodes of Agents at work

Explore listener stats, chart rankings, contacts and more on the Agents at work podcast page.