DeepSeek Launches V4.1-Flash-1017 Model with Faster Performance and Shorter Outputs

On October 17, DeepSeek released its new model, DeepSeek-V4.1-Flash-1017. The company said the new version delivers stronger benchmark performance, faster task completion, and shorter outputs compared to the previous version, describing it as a Pareto improvement in both performance and cost.

The model is now available on DeepSeek's website, app, and API. DeepSeek also noted that the model is optimized for DeepSeek Harness, Tencent CodeBuddy, WorkBuddy, and more, recommending users upgrade to DeepSeek Harness v0.2.1-rc.1 or later for the best experience.