DeepSeek-V4.1-Flash-1017 update released with open weights

DeepSeek released DeepSeek-V4.1-Flash-1017 on its website, app and API with stronger benchmarks, faster task completion and shorter outputs, and published the weights on Hugging Face. deepseek-flash now serves this version.

Who is affected:

Apps calling deepseek-flash, which now get the 1017 version.

What to do:

Retest prompts that depend on output length or style.