A progressive code-switching RL curriculum makes Qwen3 models reason in French, Portuguese, Japanese, Korean, and Thai with 96-99% step-level language consistency, while keeping accuracy close to English.
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Efficient Multilingual Reasoning Transfer via Progressive Code-Switching
A progressive code-switching RL curriculum makes Qwen3 models reason in French, Portuguese, Japanese, Korean, and Thai with 96-99% step-level language consistency, while keeping accuracy close to English.