DeepSeek Heeds the Advice: V4 Pro to Remain, No Forced Migration on September 14

Beating AI News Flash: DeepSeek has changed its tune. The latest official notice states that the V4 Pro API will continue to be available after September 14, with pricing unchanged. The previously planned automatic switch to V4.1 Flash has also been canceled.

Two days ago, DeepSeek announced that V4.1 Flash comprehensively outperformed V4 Pro in performance, price, speed, and total time, and planned to take Pro offline on September 14. After that, all deepseek-v4-pro requests would be automatically routed to V4.1 Flash.

This approach subsequently drew opposition from many developers. Many production environments had already fine-tuned their prompts and agent workflows around V4 Pro, and directly swapping models on the backend could cause behavioral changes. DeepSeek this time explicitly stated it was "in response to the needs of the vast number of users" that it would continue to keep V4 Pro, effectively retracting its original forced migration plan.

#Industrial Ecosystem

Correction/Report

RelatedRecommended

DeepSeek V4 Pro Officially Launched

Price is $3 per million Tokens for input, $6 per million Tokens for output, and $0.025 per million Tokens for cache hit input.

All Details About the Most Powerful Open Source Model DeepSeek V4: Performance on Par with Opus 4.6, Price Reduction, Encoding Benchmark Topping

V4-Pro-Max (Maximum Reasoning Power Mode) self-proclaims as the strongest open-source model to date, with its encoding benchmark reaching the top tier. The gap in inference and agent tasks with closed-source counterparts has significantly narrowed at the cutting edge.

On-Chain Activity