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...
deepseek/deepseek-v4.1-flashDeepSeek V4.1 Flash is an API model from DeepSeek, released on Sep 10, 2026, with a context window of 1,048,576 tokens, pricing of $0.045 per million input tokens and $0.5 per million output tokens. It accepts image, text input and produces text output.
At listed prices, a request with 10,000 input tokens and 1,000 output tokens costs about $0.00095.
Specs are sourced from OpenRouter and were last checked on Nov 3, 2026. Always confirm current pricing and limits with the provider before production use.
DeepSeek V4.1 Flash supports a context window of 1,048,576 tokens.
DeepSeek V4.1 Flash is listed at $0.045 per million input tokens and $0.5 per million output tokens on OpenRouter.
DeepSeek V4.1 Flash was published on Sep 10, 2026.
DeepSeek V4.1 Flash accepts image, text input and produces text output.