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TopicsDeepSeek Models Large language models

DeepSeek-R1 may exhibit language mixing when reasoning over queries in languages other than Chinese and English.

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https://arxiv.org/pdf/2501.12948 Untraced · nothing upstream recorded

Language Mixing: DeepSeek-R1 is currently optimized for Chinese and English, which may result in language mixing issues when handling queries in other languages.

https://arxiv.org/pdf/2501.12948extraction 0.75

Section 6 limitations; R1 may reason in English for queries in other languages.

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Created by extractor · Oct 28, 2026. Every judgment on this page is accompanied by a reasoning trace.