deepseek

DeepSeek: DeepSeek V4.1 Flash

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.

Context window: 1,048,576 tokens
Input: text, image
Output: text
Pricing: $0.15/M input tokens, $0.6/M output tokens

RuntimeWire coverage

Vals ranks Tencent's Hy4 Preview fourth among open-weight models

View on OpenRouter. Model data sourced from OpenRouter.