Why Does Gemini Give Different Answers to the Same Question?



June 12, 2024

Gemini Knowledge Card: Different Answers


Gemini, like other large language models, doesn't always produce the same response to identical questions for a few reasons:

  1. Non-Deterministic Nature: These models are based on complex neural networks with billions of parameters. The output is not strictly deterministic, meaning there's an element of randomness involved, especially in how the model samples from potential responses. This can lead to slight variations even with the same input.
  2. Contextual Sensitivity: Gemini, and models like it, are designed to be contextually aware. Even if the explicit question is the same, the model considers the broader context of the conversation. This includes previous questions and answers, which can influence how it interprets and responds to the current question.
  3. Updated Information: If there's a time gap between asking the same question, Gemini might have access to newer information through search snippets. This updated information can alter its response.
  4. Temperature Setting: A parameter called "temperature" controls the randomness of the model's output. A higher temperature leads to more diverse responses, while a lower temperature makes the output more deterministic.
  5. Model Updates: The underlying model might be updated over time with new training data or algorithmic tweaks. These updates can lead to different responses for the same question.

Important Note: While Gemini strives for accuracy and consistency, it's important to understand that it's a learning model, not a static database. Variations in responses are to be expected, especially when the context changes or time passes.

If you need highly consistent responses for specific applications, it's advisable to explore more deterministic algorithms or rule-based systems.


  • Last Updated Jun 12, 2024
  • Views 20
  • Answered By Peter Z McKay

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