Article

A Guide to Which AI to Use in the Agentic Era

A practical guide to navigating the new AI landscape, where choosing the right model, app, and harness matters more than ever.

Overview

Wharton professor Ethan Mollick breaks down how to navigate AI in 2026, when the question is no longer just “which model is best” but which combination of model, app, and harness gets the job done. As AI shifts from chatbot to agent — actually doing tasks, not just responding — he walks through the current landscape and what to use for what. Practical, current, and worth the read.

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