<p>Check out the talks, masterclasses and meetups taking place at Web Summit Rio 2026.</p>
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<p>Join us in Riocentro in June for a first look at tech&#8217;s future.</p>
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Book tickets

Join Replit President & Head of AI, Michele Catasta, as he shares how Replit, now valued at $9 billion, is giving every person on the planet the power to build anything they can imagine – making us all builders, creators, and architects of what comes next.

Vibe coding for the next billion

Most teams shipping AI products can't build evals that predict how a model will actually perform in production. Michele Catasta, President & Head of AI at Replit, shares how his team closed that gap with ViBench — a public vibe-coding benchmark that scores whether the generated app works — and the offline/online evaluation loop behind Replit Agent that turns weeks of engineering into compounding overnight gains.

Evaluating and improving Replit Agent at scale

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Explore our 2026 schedule

Vibe coding for the next billion

Evaluating and improving Replit Agent at scale

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