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DeepSeek-V4.1 Flash

DeepSeek-V4.1 Flash is a 763.21B-parameter language model from DeepSeek, suited to chat, reasoning and coding workloads. It runs with a 1M-token context window.

Specifications

Provider
DeepSeek
Type
Language model
Category
Text
Parameters
763.21B
Context window
1M tokens
License
mit
API endpoint
/v1/chat/completions
Model ID
DeepSeek-V4.1-Flash

About DeepSeek-V4.1 Flash

We introduce DeepSeek-V4.1-Flash, a multimodal Mixture-of-Experts (MoE) model with 552B backbone parameters and support for contexts of up to one million tokens. The model natively processes images and text, and generates text autoregressively.

  • transformers
  • safetensors
  • deepseek_v41
  • text-generation
  • image-text-to-text
  • conversational
  • eval-results
  • 8-bit

Hugging Face · 1,772,553 downloads · 4,970 likes

DeepSeek-V4.1 Flash API example

Chat completions through the OpenAI-compatible Denizen Blu One API. Point any OpenAI SDK at api.denizenblu.com/v1, set model to DeepSeek-V4.1-Flash and send the request.

curl https://api.denizenblu.com/v1/chat/completions \
  -H "Authorization: Bearer $DENIZEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "DeepSeek-V4.1-Flash",
    "messages": [{ "role": "user", "content": "Hello, blue world." }]
  }'

Need keys, streaming or error codes? See the API docs, or try it first in the playground.

Included in every plan

DeepSeek-V4.1 Flash is part of the flat-rate catalog, so you never pay per token to use it. Plans differ by usage limits, concurrency and support, not by whether this model is available.

  • Explorer$11 a year
  • Creator$31 a year
  • Professional$51 a year
  • Ultimate$101 a year
  • EnterpriseContact sales

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