Generative AI Fundamentals Map
Map/Algorithms and learning/Wave 4

Test-time compute

Letting a model think longer when answering, instead of only training it bigger.

capabilityBuilt today Open on the map →

Facts

Lane
Algorithms and learning
Wave
4 of 12 (build order, not a date)
Needs
7 boxes all the way back through hard links
Unlocks
61 boxes downstream through hard links
Leverage
None: already built
Cluster
Science and medicine

Evidence as of October 2026

As gains from bigger pretraining runs slowed in late 2024, labs turned to reasoning at inference time. OpenAI’s Noam Brown said 20 seconds of thinking in a poker hand matched scaling the model up 100,000 times.

  1. 01Platformer: AI companies hit a scaling wall

Around it

Needs · 1
Unlocks · 1

Loops and off-ramps