DeepSeekFastFastActive

DeepSeek: DeepSeek V4.1 Flash

DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters on input and 16B on...

Specification
Model ID
deepseek/deepseek-v4.1-flash
Modality
Text+image >text
Context
1.0M tokens
Input
$0.150/1M
Output
$0.600/1M
Updated
Sep 20, 2026
Scores
Capabilities
  • Supports tool calling
  • Supports vision inputs
  • Supports long-context workflows
  • Supports deeper reasoning tasks