DeepSeek released V4.1 Flash-1017 on October 17, updating its Flash model with improvements in reasoning, coding, agent tasks and visual understanding. The model weights are available on Hugging Face under the MIT license.
The company said the update reduces task execution time and output length, allowing users to complete work faster and at lower cost. Its development capabilities target workflows in which an AI agent plans a project, writes code, calls tools and iterates toward a working result.
The release includes inference code and deployment instructions, enabling developers to run the updated model on their own infrastructure. It builds on the existing V4.1 Flash model rather than introducing a separate model family. [DeepSeek]