DeepSeek Releases V4.1-Flash, Says It Outperforms Flagship V4-Pro
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5 Articles
Chinese company DeepSeek released its AI model "DeepSeek-V4.1-Flash" on September 10, 2026. It has demonstrated superior performance in multiple benchmark tests, surpassing Claude Opus 5 and GPT-5.6 Sol, and is being released free of charge as an open model. Furthermore, API fees are kept low. Read more...
DeepSeek releases V4.1-Flash, says it outperforms flagship V4-Pro
Chinese artificial intelligence startup Hangzhou DeepSeek Artificial Intelligence Basic Technology Research Co. Ltd. today released DeepSeek-V4.1-Flash, the smallest model in a new architecture family. The company said tests by multiple parties put the open-weight model ahead of its much larger DeepSeek-V4-Pro on performance, cost, speed and total runtime. Starting Sept. 14, requests sent to V4-Pro […]
DeepSeek introduced a limited-time beta version of V4.1 Flash, an interim model based on a new architecture that natively supports multimodal processing while delivering fast generation speeds, strangler performance, and reduced costs for current technical operations. The release is not official. Programmers can access the trial via the existing DeepSeek API under the identify deepseek-v4.1-flash-expires-on-0910 [...]
DeepSeek Ships V4.1 Flash GA With Causal-Encoder-Decoder MoE as V4 Pro Retires
DeepSeek has released DeepSeek V4.1 Flash for general availability, promoting the model from a short limited beta into a production SKU on a new Causal-Encoder-Decoder Mixture-of-Experts architecture. The company presents V4.1 Flash as the smallest member of that structure family and says it now surpasses DeepSeek V4 Pro on capability, cost, speed and end-to-end task time, clearing the path for an orderly Pro retirement later this week. Architec…
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