Topic
Reasoning Models
3 stories on this topic, newest first.
IndustryExplainer
What are System One models, and will the category outlast Jev?
TypeSafe coined the term for models that return typed, probability-weighted decisions instead of text. Where the name comes from, how the mechanism differs, and what the economics mean.
ResearchExplainer
What reasoning models actually do: a training recipe and a token budget
Reasoning models are ordinary LLMs post-trained with RL on checkable problems, then given a thinking budget at inference. The lineage, the training loop, the costs, and where the gains actually land.
ResearchAnalysis
Test-time compute changed the scaling roadmap. Here is what it costs, and who pays
Labs can now buy accuracy per query instead of per training run. The evidence from Snell, Brown, o3, DeepSeek-R1 and the 2026 effort dials, and what the second axis does to your bill.
