Alex Chen

prev. xAI, UPenn

𝕏 @chenchen

I care about technologies that cultivate eudaimonia—Aristotle's word for a virtuous and flourishing life. Sooner or later, AI will reshape our production, perception, society as we know it. Done right, I think it can unlock unimaginable self-determination and human agency.

Journey

2025 Post-training Grok 3, 4, 4 Fast, & 4.1 at xAI.
Made @gork.
2024 Undergraduate at UPenn under the M&T program.

My Stuff

March 2026

  • ✍️
    Fragility

    A story about the balance of power and what happens when AI tips it.

December 2025

  • 📖
    Pantsov, Mao: The Real Story
  • 📖
    qntm, There Is No Antimemetics Division