Model

deepseek-v4.1-flash

1 entry · 10 September 2026

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  1. DeepSeek releases V4.1-Flash and folds V4-Pro traffic into it

    The open-weight model activates only about 8 billion of 552 billion parameters per token; from 14 September DeepSeek routes all V4-Pro API traffic to it at Flash's lower price.

    DeepSeekModels & capabilities · Open weights & ecosystem