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DeepSeek V4.1 Flash: The Native Multimodal Model That's Breaking Speed Records
DeepSeek V4.1 Flash: The Native Multimodal Model That's Breaking Speed Records
How DeepSeek Achieved 420 Tokens/Second Without Sacrificing Accuracy
Published: September 9, 2026 | Reading time: 10 minutes
The Surprise Beta
On September 8, 2026, DeepSeek quietly launched a beta test for V4.1 Flash, an intermediate model with the identifier deepseek-v4.1-flash-expires-on-0910 . The model name itself reveals the urgency—this beta expires on September 10, giving...
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