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researcher

Yekun Chai

23 papers hereh-index 131.1k citations32 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author12
  • middle author10

Across the 22 of 23 papers where every author was matched, so the position is known.

fields
  • cs.CL21
  • cs.SD1
  • cs.SE1
same name
  • Yekun Chai — 3 papers, h 2

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
20192026
most citedStarCoder 2 and The Stack v2: The Next Generation

67 citations · 93 across the 21 of their papers we have counts for

collaborators
Showing 2026Show all

3 papers · 1 filter

cs.CL2026

What Is a Repeated Token Worth? The Scaling Geometry of Multi-Epoch Pretraining

Yekun Chai, Haoyi Xiong

As pretraining increasingly repeats data, every run faces three questions: how many epochs to take, how that number should change with model size, and whether anything besides the…

cs.CL2026

Finding the Move Is Not Winning the Game: XiangqiBench for Closed-Loop Evaluation of LLM Agents

Yekun Chai, Qiwei Peng, Haoyi Xiong

Static evaluations credit a language model for naming the right move, but an agent must carry a plan through to a verified outcome while an opponent responds. We introduce XiangqiB…

cs.CL2026★ 2 cited

ERNIE 5.0 Technical Report

Haifeng Wang, Hua Wu, Tian Wu +432

In this report, we introduce ERNIE 5.0, a natively autoregressive foundation model desinged for unified multimodal understanding and generation across text, image, video, and audio…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.