The Verifier as Curriculum. VHG and the Third Role.
A daily field note on Lai, Feng, Teh, and Miao's VHG. Three-party setter-solver-verifier self-play. Why the verifier's job in the production lifecycle just expanded from two places to three.
Research Program / active
Agent Infrastructure
Runtime, memory, verification, tooling, and reliability layers for long-running agents.
Questions
- What state should an agent remember, forget, or externalize?
- Where should verification sit in an agent runtime?
- How should cost and reliability be measured across long trajectories?
Topic Links
Agent InfrastructureVerification EconomicsDistributed Systems
Linked Artifacts
The Alpha Asymmetry. Why Verifiers Can Be Smaller Than Generators.
A field note showing why verifier accept rate can dominate the other levers in cost-per-correct-answer economics.
Verification Economics
The study of cost-per-correct-answer and the verifier as a cost-and-value lever in reasoning systems.