Tencent Technical Engineering
Dec 1, 2025 · Artificial Intelligence
Do Machines Really Think? Inside Deep Reasoning, Scaling Laws & RLHF for LLMs
This article examines whether large language models truly think, explores the origins of deep reasoning through transformer architectures and scaling laws, reviews chain‑of‑thought and its variants, and analyzes how reinforcement learning from human feedback—including PPO, DPO, and GRPO—helps internalise step‑by‑step reasoning while pointing to future directions such as atomic thought, hierarchical models, and training‑free in‑context knowledge bases.
AI alignmentLLMRLHF
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