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Using optimization at inference time is a foundational concept of Energy-Based…

Brief

Yann LeCun states that inference-time optimization underpins Energy-Based Models and Objective-Driven AI (ODAI). He asserts that for continuous latent or action variables, gradient-based optimization is the appropriate inference method, and points to world model–based systems as a practical ODAI example using gradient-based planning.

Why it matters

Using optimization at inference time is a foundational concept of Energy-Based Models (EBM) and Objective-Driven AI architectures (ODAI).

Key details

  • When the variables to be inferred are continuous, gradient-based optimization is the sensible choice for that inference.
  • World model–based systems are cited as a concrete instance of ODAI that use gradient-based optimization for planning.
Source evidence

Using optimization at inference time is a foundational concept of Energy-Based Models (EBM) and Objective-Driven AI architectures (ODAI).

When the variables to be inferred are continuous, it makes sense to use gradient-based optimization.

A good instance of ODAI is world model-based systems that use gradient-based optimization for planning.