Generative AI Act II: Test Time Scaling Drives Cognition Engineering

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Hauptverfasser: Xia, Shijie, Qin, Yiwei, Li, Xuefeng, Ma, Yan, Fan, Run-Ze, Chern, Steffi, Zou, Haoyang, Zhou, Fan, Hu, Xiangkun, Jin, Jiahe, He, Yanheng, Ye, Yixin, Liu, Yixiu, Liu, Pengfei
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Veröffentlicht: 2025
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author Xia, Shijie
Qin, Yiwei
Li, Xuefeng
Ma, Yan
Fan, Run-Ze
Chern, Steffi
Zou, Haoyang
Zhou, Fan
Hu, Xiangkun
Jin, Jiahe
He, Yanheng
Ye, Yixin
Liu, Yixiu
Liu, Pengfei
author_facet Xia, Shijie
Qin, Yiwei
Li, Xuefeng
Ma, Yan
Fan, Run-Ze
Chern, Steffi
Zou, Haoyang
Zhou, Fan
Hu, Xiangkun
Jin, Jiahe
He, Yanheng
Ye, Yixin
Liu, Yixiu
Liu, Pengfei
contents The first generation of Large Language Models - what might be called "Act I" of generative AI (2020-2023) - achieved remarkable success through massive parameter and data scaling, yet exhibited fundamental limitations such as knowledge latency, shallow reasoning, and constrained cognitive processes. During this era, prompt engineering emerged as our primary interface with AI, enabling dialogue-level communication through natural language. We now witness the emergence of "Act II" (2024-present), where models are transitioning from knowledge-retrieval systems (in latent space) to thought-construction engines through test-time scaling techniques. This new paradigm establishes a mind-level connection with AI through language-based thoughts. In this paper, we clarify the conceptual foundations of cognition engineering and explain why this moment is critical for its development. We systematically break down these advanced approaches through comprehensive tutorials and optimized implementations, democratizing access to cognition engineering and enabling every practitioner to participate in AI's second act. We provide a regularly updated collection of papers on test-time scaling in the GitHub Repository: https://github.com/GAIR-NLP/cognition-engineering
format Preprint
id arxiv_https___arxiv_org_abs_2504_13828
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Generative AI Act II: Test Time Scaling Drives Cognition Engineering
Xia, Shijie
Qin, Yiwei
Li, Xuefeng
Ma, Yan
Fan, Run-Ze
Chern, Steffi
Zou, Haoyang
Zhou, Fan
Hu, Xiangkun
Jin, Jiahe
He, Yanheng
Ye, Yixin
Liu, Yixiu
Liu, Pengfei
Computation and Language
Artificial Intelligence
The first generation of Large Language Models - what might be called "Act I" of generative AI (2020-2023) - achieved remarkable success through massive parameter and data scaling, yet exhibited fundamental limitations such as knowledge latency, shallow reasoning, and constrained cognitive processes. During this era, prompt engineering emerged as our primary interface with AI, enabling dialogue-level communication through natural language. We now witness the emergence of "Act II" (2024-present), where models are transitioning from knowledge-retrieval systems (in latent space) to thought-construction engines through test-time scaling techniques. This new paradigm establishes a mind-level connection with AI through language-based thoughts. In this paper, we clarify the conceptual foundations of cognition engineering and explain why this moment is critical for its development. We systematically break down these advanced approaches through comprehensive tutorials and optimized implementations, democratizing access to cognition engineering and enabling every practitioner to participate in AI's second act. We provide a regularly updated collection of papers on test-time scaling in the GitHub Repository: https://github.com/GAIR-NLP/cognition-engineering
title Generative AI Act II: Test Time Scaling Drives Cognition Engineering
topic Computation and Language
Artificial Intelligence
url https://arxiv.org/abs/2504.13828