Framework · 1 note · discussed by Boris Cherny

The Bitter Lesson

Every note in the archive that names The Bitter Lesson: summaries, key takeaways and links to the original essays, episodes and posts. Ask a question below to get a cited answer from just these notes’ authors.

Q:
Answers quote and cite the source notes
Lenny’s Podcast131 min

Boris Cherny

Boris Cherny · Feb 19, 2026
Key learnings
  • Ship with minimal scaffolding and let the model choose tools and order of operations, rather than boxing it into rigid workflows…
  • Watch how people hack your product for purposes it wasn't designed for; that latent demand, like data scientists using a terminal…
  • Bet on the more general model over time instead of fine-tuning or tiny models, since scaffolding gains of 10-20% often vanish…