Back to all models
deepseek

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...

deepseek/deepseek-v4.1-flash

Context Size

1,048.576K

Input Price

3,000 pts/M184 Ks/M

Output Price

150,000 pts/M9,225 Ks/M


Architecture

Text
Image

Supported Parameters

frequency_penaltyinclude_reasoninglogit_biaslogprobsmax_tokensmin_pparallel_tool_callspresence_penaltyreasoningreasoning_effortrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_atop_ktop_logprobstop_p

Details

TokenizerDeepSeek
Max Completion943,718 tokens
Provider Context1,048.576K tokens
ModeratedNo
CreatedSep 10, 2026