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Summing agent rewards before normalizing lets the noisiest channel drown out guardrails
Authors of a dev.to trainer comparison say summing task, cost and guardrail rewards can leave up to a third of GPU batches with zero gradients. They back per-channel normalization, as in GDPO, and want guardrails enforced as hard rules.
Publishers:dev.to
Reality
- Evidence40
- Adoption20
- Hype gap+30
- Incentives30
- Confidence40