Study Reveals Flawed Reasoning in AI Language Models

Study Reveals Flawed Reasoning in AI Language Models

Luisa Martinez
1 min read

Study Reveals Flawed Reasoning in AI Language Models

Researchers at University College London tested seven major AI language models, including GPT-3.5, GPT-4, LaMDA, Claude 2, and Llama 2, using cognitive psychology tests to understand if AI models exhibit human-like irrational reasoning or their own forms of illogical thinking. The study highlighted that while AI models often produce irrational outputs, they typically involve mathematical errors or logical inconsistencies, which are not human-like. The findings raise concerns about using AI in critical fields like medicine, suggesting a need for improved safety measures in logical reasoning for AI systems.

Key Takeaways

  • GPT-4 demonstrated the highest performance, with 69.2% correct answers and 73.3% human-like responses, while Llama 2 performed the worst, with 77.5% incorrect responses.
  • The study underscores the nuanced reasoning flaws in AI language models, particularly highlighting the discrepancies between human and AI errors.
  • There is a need for enhanced logical and mathematical rigor in AI development, despite the allure of human-like reasoning.


The study underlines the nuanced reasoning flaws in AI language models and raises significant implications for sectors like healthcare, where reliance on AI decision-making could lead to critical errors. The findings suggest a need for future AI development to ensure safer and more consistent reasoning capabilities.

Did You Know?

  • GPT-4: The fourth iteration of OpenAI's Generative Pre-trained Transformer, known for its advanced capabilities in understanding and generating human-like text.
  • LaMDA: Language Model for Dialogue Applications developed by Google, aiming to generate more natural and contextually relevant responses in dialogues.
  • Cognitive Biases in AI: Understanding and mitigating these biases is crucial for enhancing the reliability and ethical deployment of AI in critical applications.

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