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[GH-ISSUE #745] why different answers from same model? #26113

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opened 2026-04-22 02:07:56 -05:00 by GiteaMirror · 1 comment
GiteaMirror commented 2026-04-22 02:07:56 -05:00
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Originally created by @Enhitech on GitHub (Oct 10, 2023).
Original GitHub issue: https://github.com/ollama/ollama/issues/745

Hi, guys,

I run a llama2 model and then access the model in three ways: 1. use rest api; 2. use cmd "ollama run modelname 'prompt'"; 3. use a conversational terminal.

I got different answers. 1 and 2 are similar, but 3 is much better than 1 and 2.

WHY? how could I get the same answer as 3 via 1 or 2?

Thanks a lot!

Originally created by @Enhitech on GitHub (Oct 10, 2023). Original GitHub issue: https://github.com/ollama/ollama/issues/745 Hi, guys, I run a llama2 model and then access the model in three ways: 1. use rest api; 2. use cmd "ollama run modelname 'prompt'"; 3. use a conversational terminal. I got different answers. 1 and 2 are similar, but 3 is much better than 1 and 2. WHY? how could I get the same answer as 3 via 1 or 2? Thanks a lot!
GiteaMirror commented 2026-04-22 02:07:58 -05:00
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@jmorganca commented on GitHub (Oct 11, 2023):

Hi @Enhitech. Glad you tried Ollama! It's normal to get different responses from multiple calls. By default LLMs will output different answers due to randomness. To always get a consistent answer back, you get set temperature: 0 and seed: <seed value> in the API.

Going to close this however feel free to re-open if something isn't working as expected

<!-- gh-comment-id:1756496528 --> @jmorganca commented on GitHub (Oct 11, 2023): Hi @Enhitech. Glad you tried Ollama! It's normal to get different responses from multiple calls. By default LLMs will output different answers due to randomness. To always get a consistent answer back, you get set `temperature: 0` and `seed: <seed value>` in the API. Going to close this however feel free to re-open if something isn't working as expected
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