# @timfduffy — 2026-09-10

♥25 ↻0 · https://x.com/timfduffy/status/2098118139305505267

DeepSeek V4.1 Flash tech report section on reward hacking. I wonder what repercussion signal means here, I don't see it mentioned anywhere else. https://t.co/u7zRy7ZWNA

![photo](../../../media/HR4CvzJagAAMJ8D.png)
tags: author:timfduffy, has-image, kind:image, kind:tweet, on:deepseek-v4-1-flash, year:2026
cited on: deepseek-v4-1-flash