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the claim
ChatGPT can give different answers to the same prompt each time it is asked.
the verdict
SUPPORTED
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Recorded sources
5 sources for · 0 against
Is it true that ChatGPT can give different answers to the same prompt each time it is asked?
Yes. A peer-reviewed study found the same model could produce heavily differing results for the same questions, and two technical books state that asking ChatGPT the same question or prompt multiple times yields different answers. One further study notes output inconsistency generally and reports repeated identical prompts gave varying answers, though it found high overall reproducibility.
Verdict: SUPPORTED · 5 sources for, 0 against · Last checked
Evidence for · 5
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ChatGPTを活用した研究データの作成事例. (n.d.). cir.nii.ac.jp. https://doi.org/10.2964/jsik_2023_031
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More for · 4
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PM, S. & J, K. (2026). Leveraging chatbots for enhanced decision-making: a comprehensive literature review.. doi.org. https://doi.org/10.3389/frai.2026.1748544
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Evelyn, L. (2025). Making ChatGPT Work for You. play.google.com. https://play.google.com/store/books/details?id=HQx5EQAAQBAJ&source=gbs_api
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Singh, B. (2024). Building Applications with Large Language Models. play.google.com. https://play.google.com/store/books/details?id=pZQ0EQAAQBAJ&source=gbs_api
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Dengel, A., Gehrlein, R., Fernes, D., Görlich, S., Maurer, J., & Pham, H. H. (2023). Qualitative Research Methods for Large Language Models: Conducting Semi-Structured Interviews with ChatGPT and BARD on Computer Science Education. doi.org. https://doi.org/10.3390/informatics10040078
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