Real builds. Real data. For people building with AI.

Second Thought moves extra reasoning into tool-wait windows. A Build Lab pilot should measure accepted outcomes, wall-clock latency, branch usefulness, cancellation, and fully loaded cost before shipping it.

Optima, MathCode, LittleLearner, and BenchDrift point to the same operating lesson: narrow the task, protect the evidence, test variation, and promote only the system you will actually ship.

A new open-ended evaluation shows why completed experiments and polished papers do not prove research judgment. Here is a decision-ledger audit for small product teams.