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DEEPSEEK V4.1 FLASH OUTPERFORMS PRO AT LOWER COST

INDUSTRY DESK1 MIN READ
WED, SEP 9, 2026

■ AI-SUMMARIZED FROM 1 SOURCE ▸ TIMELINE

DeepSeek will launch V4.1 Flash on September 10, 2026, offering better performance and speed than V4 Pro at a cheaper price point. During the transition period, all Pro model requests will be routed to Flash and billed at Flash rates.

DeepSeek's upcoming V4.1 Flash model surpasses V4 Pro across all key performance metrics, including raw capability, processing speed, and task completion time, according to the company's internal and external testing results. The new model will launch September 10, 2026 Beijing Time. Following the official release of V4.1 Flash and prior to V4.1 Pro's debut, DeepSeek will automatically route all Pro model requests to the Flash variant while charging Flash pricing. This ensures users benefit from improved performance without price increases during the interim period. The move reflects DeepSeek's strategy to compress the performance gap between its tier-based offerings while maintaining cost efficiency. V4.1 Flash will be positioned as the primary inference model until V4.1 Pro becomes available.

■ SOURCES

Hacker News

■ SUMMARY WRITTEN BY AI FROM THE LINKS ABOVE

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