DeepSeek-V4.1-Flash-1017
DeepSeek released V4.1-Flash-1017, a minor update to V4.1-Flash that it says has stronger benchmarks, faster task completion and shorter outputs. Weights are on Hugging Face under the MIT license.
DeepSeek calls it a minor update to the V4.1-Flash released in early September. Its technical report claims substantial improvements across reasoning, coding, agentic tasks and visual benchmarks, with better results in uses from game creation to 3D modeling. It is live on the web, the app and the developer platform.
- Date
- Saturday 17 October 2026
- Lab
- DeepSeek
- Kind
- open-weights
- Access
- open weights
Figures
| Measure | Value | Measured by |
|---|---|---|
| Humanity's Last Exam (no tools) | 42.6 Up from 36.8 for V4.1-Flash. On the text-only subset it scores 44.0, up from 39.1. | company |
A separate snapshot from the existing V4.1-Flash record (2026-09-10). The announcement was posted on X on Saturday 2026-10-17. No pricing was found.
Sources
- huggingface.co/deepseek-ai/DeepSeek-V4.1-Flash-1017
- economictimes.indiatimes.com/tech/artificial-intelligence/deepseek-pushes-out-updated-ai-m
- newsbytesapp.com/news/science/chinese-startup-deepseek-releases-v41-flash-1017-ai-model-li
This record was checked and corrected against its sources on 18 October 2026. How we check