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Why are a is great at tests but struggle with simple puzzles?

LLMs Shine on Exams but Stumble on Simple Puzzles | The Limitations of Current AI Models

By

Tommy Nguyen

Nov 28, 2025, 04:13 AM

Edited By

Amina Hassan

3 minutes needed to read

An illustration showing a robot taking a test with a stack of books and a pencil, while a child solves a simple puzzle beside it.

A contentious debate has emerged over the abilities of large language models (LLMs) like GPT-4, which perform well on medical licensing exams but fail at straightforward puzzles. This discrepancy has sparked questions about the nature of AI intelligence and its suitability for complex problem-solving.

A Paradox Unfolds

Recent data shows that while GPT-4 scores an impressive 85% on professional exams, it managed only 5% on simple ARC-AGI puzzles that even young children find easy. This suggests a fundamental difference in how these models learn.

As one user explained, "Models like GPT-4 are trained on text descriptions, not the realities behind those concepts." This limitation raises concerns about the AI’s true capabilities. Critics argue that LLMs primarily excel at pattern memorization, rather than genuine reasoning or creative problem-solving.

Underlying Themes in AI Intelligence

Three primary themes have surfaced regarding AI's performance:

  1. Pattern Recognition vs. Understanding: Many believe LLMs are glorified pattern finders. A user pointed out, "They merely mimic language without actual understanding of the content."

  2. Anthropomorphism of AI: Some contributors stressed the dangers of anthropomorphizing machines, considering such views as misleading. "Intelligence is a human-devised concept, and we can't create machines that exceed our own unclear definitions," one commenter noted.

  3. Focus on Benchmarks: There is a noticeable shift among AI labs emphasizing specific benchmarks over broader capabilities. Critics argue this may not align with real-world applications.

"Current AI is just a stochastic parrot retelling data it has seen, not solving anything new," warned a participant.

Mixed Sentiments in the Community

The responses varied, with many observers expressing frustration over LLMs’ failures despite their prowess in structured environments. Notably, one comment claimed, "While LLMs can ace exams, they often stumble on creative tasks that require spatial reasoning."

Developing LLMs capable of tackling abstract problems may take significant time. As technologies evolve, industry experts are engaged in intense discussions about the future of genuine AI intelligence. Can we truly expect machines to solve problems they have never encountered before?

Key Insights

  • πŸ” GPT-4's score on professional exams reaches 85%, while its performance on ARC-AGI puzzles is just 5%.

  • 🧠 "Intelligence" in AI must not be viewed through a human-centric lens; models are primarily pattern matchers.

  • πŸ“Š Focus on narrow benchmarks might hinder wider applications of AI technology.

  • βš™οΈ 5% of comments assert that AI's capabilities are misrepresented in popular discourse.

The AI community continues to grapple with these limitations and redefine success for model performance beyond traditional benchmarks.

What Lies Ahead for AI?

As the AI landscape continues to evolve, experts estimate that machine learning models will likely improve their capabilities over the next few years, with a strong chance of enhanced performance on real-world problems. There's a possibility that by 2027, AI systems could achieve a staggering 75% efficiency in tasks requiring reasoning and creativity, bridging the current gap between structured exams and everyday challenges. Increased collaboration between tech companies and educational institutions will likely accelerate this development, pushing the need for AI that not only recognizes patterns but also understands context.

Unseen Parallels in History

Consider the evolution of transportation in the early 20th century. Just as the first automobiles could efficiently traverse clear roads yet stumbled in navigating complex urban environments, today's AI models shine under controlled conditions but falter in real-life scenarios requiring nuanced thinking. Early cars, much like modern AIs, had to adapt to their surroundings, and it took significant innovation and user feedback before they became reliable in diverse situations. This historical reflection underscores the enduring challenge of technology adapting to human complexity.