# DeepSeek Adds Self-Feedback Learning to Its V4.1 Flash Model By Simon Yoon Canonical URL: https://www.tokenpost.com/news/technology/34011 Published: 2026-10-17T12:56:21.000Z Updated: 2026-10-17T12:56:21.000Z Section: Technology > DeepSeek has moved its website, app and API to V4.1-Flash-1017, designed for broader, open-ended coding requests. DeepSeek has revised V4.1 Flash with self-feedback reinforcement learning to improve performance on open-ended coding tasks, including building games and 3D models from scratch. DeepSeek’s website, app and API have moved to version V4.1-Flash-1017. The update is intended to handle broader programming requests, including building complete projects. The same rollout included a [77.0% DeepSWE v1.1 Pass@1 score, up from 74.2% for the September version, and Search and Fetch API access for developers](). ## Links in this article - [77.0% DeepSWE v1.1 Pass@1 score, up from 74.2% for the September version, and Search and Fetch API access for developers](https://www.tokenpost.com/news/technology/34007)