When to fine-tune vs use foundational models

Alex Salazar is the CEO and Co-Founder of Arcade.dev, working on secure AI agents and real-world automation integrations.

Chiara Caratelli is a Data Scientist at Prosus Group, working on AI agents, web automation, and evaluation of robust multimodal models.

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// Abstract

Agents sound smart until millions of users show up. A real talk on tools, UX, and why autonomy is overrated.

// Bio

Chiara Caratelli

Chiara is a Data Scientist at Prosus, where she develops AI-driven solutions with a focus on AI agents, multimodal models, and new user experiences. With a PhD in Computational Science and a background in machine learning engineering and data science, she has worked on deploying AI-powered applications at scale, collaborating with Prosus portfolio companies to drive real-world impact.

Beyond her work at Prosus, she enjoys experimenting with generative AI and art. She is also an avid climber and book reader, always eager to explore new ideas and share knowledge with the AI and ML community.

Alex Salazar

Alex is the CEO and co-founder of Arcade.dev, the unified agent action platform that makes AI agents production-ready. Previously, Salazar co-founded Stormpath, the first authentication API for developers, which was acquired by Okta. At Okta, he led developer products, accounting for 25% of total bookings, and launched a new auth-centric proxy server product that reached $9M in revenue within a year. He also managed Okta's network of over 7,000 auth integrations. Alex holds a computer science degree from Georgia Tech and an MBA from Stanford University.

// Related Links

Website: https://www.prosus.com/

Website: https://www.arcade.dev/

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Timestamps:

[00:00] Intro

[00:15] Insights from iFood

[06:22] API vs agent intention

[09:45] Tool definition clarity

[15:37] Preemptive context loading

[27:50] Contextualizing agent data

[33:27] Prompt bloat in payments

[41:33] Agent building evolution

[50:09] Agent program scalability

[55:29] Why multi-agent is a dead end

[56:17] Wrap up