DeepSeek V4.1 Flash 1017 (batch)

DeepSeek V4.1 Flash 1017 (batch)

DeepSeek🇨🇳deepseek/deepseek-v4.1-flash-1017:batch

DeepSeek V4.1 Flash 1017 is the October 17, 2026 snapshot of DeepSeek V4.1 Flash, served by DeepSeek under the `deepseek-flash` API model name.

Released
Oct 17, 2026
Input
TextImage
Output
Text
Support
ReasoningTool callingStructured outputs

Best at

The categories where this model ranks highest.

Medicine & Healthcare

#10 · top 3%

Software & IT Services

#27 · top 6%

Business, Management, & Finance

#30 · top 7%

Mathematical

#30 · top 7%