The a16z Show The a16z Show

Aaron Levie on Why Open AI Wins

Sep 5, 2026 · 31m

Summary

Aaron Levby, co-founder and CEO of Box, joins The a16z Show to argue that open-weight AI drives ecosystem innovation and that the US should support domestic open models to counter Chinese competition. He discusses the ethics of model distillation, asserting that training on AI outputs is not fundamentally different from training on public data. Levby also shares Box’s experience with the latest frontier models, noting that Opus 5 offers superior value for enterprise knowledge work, and explains how model routing is becoming the default strategy for companies seeking to optimize costs and pe…

Topics discussed

Intro: Aaron Levby and the open weight AI debate Astrology acquisition and open source status Jensen Huang's open weights letter and US strategy Distillation ethics and the line between training data China's AI capabilities and the case for open innovation US dependence on Chinese open models and national security Jensen Huang interview analysis and US infrastructure build-out Reflections on the Jensen Huang and Dario Amodei podcast Hypothetical: US open-sourcing a frontier model Economics of AI: Inference costs vs. model licensing Why closed labs like Anthropic avoid open sourcing Long-term monetization and safety arguments for closed models Claude Opus 5 performance in enterprise knowledge work Opus 5 vs. Fable: Cost, coding, and safety guardrails Government risk frameworks and model capability testing AI's impact on Box's engineering roadmap and hiring AI coding agents and project timeline estimation Model routing and the value of the applied AI layer Closing remarks and upcoming AI news Podcast outro and subscription details Legal disclaimer
Listen ad-free on Castria