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DeepSeek released the DeepSeek-V4.1-Flash multimodal Mixture-of-Experts model, including long-context serving optimizations and updated API routing and pricing

Model release Provisional 84% confidence first seen

DeepSeek announced and released the DeepSeek-V4.1-Flash model, highlighting long-context performance improvements such as a reduced KV-cache footprint and serving-oriented techniques. Separate coverage also described a change to API routing and billing in which DeepSeek-V4.1-Flash would serve requests and set pricing for V4-Pro temporarily, with older variants being retired.

DeepSeek DeepSeek AI DeepSeek-V4-Pro DeepSeek-V4.1-Flash August experimental vision model DeepSeek-V4-Flash Hangzhou DeepSeek Artificial Intelligence Basic Technology Research Co. Ltd. MIT MarkTechPost SiliconANGLE

Source coverage

DeepSeek AI Released DeepSeek-V4.1-Flash with 1M Context, FP4 KV Cache, and Cross-Layer Attention Reuse MarkTechPost DeepSeek releases V4.1-Flash, says it outperforms flagship V4-Pro SiliconANGLE independent

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