Interactive lesson~18 minAdvanced
Test-Time Compute & Reasoning
Test-time compute spends extra inference effort on harder problems through search, sampling, verification, debate, or tool-assisted reasoning.
ReasoningVerifiersSearch
Mental model
Do not make every question pay the same thinking bill.
Reasoning systems increasingly trade latency and tokens for reliability on complex tasks.
Accuracy
balanced68% modeled signal
Latency
balanced66% modeled signal
Confidence
balanced55% modeled signal
Concept pipeline
Build the idea in four moves
Interactive lab
Allocate inference compute to hard reasoning tasks.
Classify
Estimate task difficulty and risk.
Focus lens
The part that usually clicks late
Self-consistency
Sample multiple paths and choose stable conclusions.
Accuracy
68
Latency
66
Confidence
55
Knowledge check
What is the key test-time compute trade-off?
Next horizon
Where this topic is headed
Process reward models
Verifier-guided search
Adaptive reasoning budgets