updated 2 public sources
large language modelsreinforcement learningreasoningself-correction

Current frame

Co-author on ByteDance Seed large-language-model reasoning and reinforcement-learning research.

Extended note

Chao Xin is publicly listed as an author on ByteDance Seed's 2025 report "Seed1.5-Thinking: Advancing Superb Reasoning Models with Reinforcement Learning" and on the 2025 OpenReview paper "PAG: Multi-Turn Reinforced LLM Self-Correction with Policy as Generative Verifier." These sources support a conservative profile centered on large language models, reasoning, self-correction, and reinforcement learning. No reliable public homepage, team biography, education history, or standalone profile details were found within the exact-source search budget, so biographical claims are intentionally minimal.