DeepSeek V4.1 Flash
DeepSeek
🧠 Language Model
DeepSeek V4.1 Flash, the fast daily driver that replaced V4 Flash on 2026-09-10. 1M context, thinking (default) and non-thinking modes.
Specifications
Input modalitiestext
Output modalitiestext
Capabilitieschat, reasoning, tools
Relative speed●●●●● Blazing
Context window1,000,000 tokens
Max output393,216 tokens
Tool callingYes
Input price$0.2625 / 1M
Output price$1.05 / 1M
Pricing
$0.2625 / 1M input tokens · $1.05 / 1M output tokens
Platform credit pricing — live rates on the Models page.