Xiuyu Li
@sheriyuo
Researcher @StepFun_ai | Working on long-horizon tasks | Prev @RUC1937 | Opinions are my own
Joined February 2026
1.7K Following 12.4K Followers
Maybe we're seeing a closer academic approach toward the Meta-RL endpoint.
(1/n) Introduce LLM-as-a-Coach for non-verifiable tasks. Scalar rewards discard rich feedback. LLM-as-a-Coach guides policy with context, leveraging high bandwidth to provide rich experiential knowledge that preserves fine-grained preference on non-verifiable tasks.
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