#AI Research

4 posts tagged with "AI Research"

Does RL Actually Make LLMs Smarter? A Critical Look at Reinforcement Learning for Reasoning

2025-12-30T13:00:00Z•13 min read

#reinforcement learning #llm reasoning #rlvr #machine learning #ai research

Recent research suggests RL training optimizes search efficiency over existing capabilities rather than expanding reasoning capacity. Here's what the pass@k evidence actually shows.

DiscoRL: When Algorithms Learn to Design Algorithms

2025-12-08•15 min read

#reinforcement learning #meta-learning #deepmind #algorithm discovery #ai research #machine learning

DeepMind's DiscoRL discovers reinforcement learning algorithms that outperform hand-designed methods like PPO and DQN. By treating algorithm design as a meta-learning problem, it found alternatives to value functions and bootstrapping through optimization alone.

Do LLMs Construct World Models? A Cognitive Science Investigation

2025-12-08•9 min read

#cognitive science #llms #world models #philosophy of mind #ai research #gpt-4 #symbol grounding #machine learning

Are large language models merely stochastic parrots, or do they develop genuine internal representations of the world? This investigation examines evidence from Othello-GPT, spatial encoding in LLMs, and the symbol grounding problem to explore what cognitive science reveals about AI understanding.

When Machines Design Their Own Learning Algorithms

2025-12-08•13 min read

#reinforcement learning #meta-learning #algorithm discovery #deep learning #ai research #machine learning

A machine trained on simple grid worlds beat every hand-designed RL algorithm on Atari. DeepMind's DiscoRL discovers algorithms through meta-learning that outperform DQN, PPO, and A3C - methods humans spent decades developing.