DeepSeek V4.1 Flash 260910 API Pricing

DeepSeek V4.1 Flash 260910 pricing by provider

1 listing across 1 provider. Token prices are in US dollars per 1M tokens. The highlighted row is the price quoted above.

What DeepSeek V4.1 Flash 260910 costs in practice

1,000 requests with 2,000 input and 500 output tokens each

100 long-document requests with 100,000 input and 2,000 output tokens each

DeepSeek V4.1 Flash 260910 cost calculator

At StreamLake's price ($0.30 input, $1.20 output per 1M tokens), 10,000 requests a day with 1,000 input and 500 output tokens each cost $9.00 a day, about $270 a month. Change the numbers for your workload, or compare it with other models.

DeepSeek V4.1 Flash 260910 features

Input: text, image. Output: text.

• Function calling
• Image input
• Reasoning
• Prompt caching

Use DeepSeek V4.1 Flash 260910 with LiteLLM

Call DeepSeek V4.1 Flash 260910 through the LiteLLM Python SDK, or put it behind the LiteLLM proxy and send OpenAI-format requests to /v1/chat/completions. LiteLLM tracks the cost of every request at these prices.

from litellm import completion

response = completion(
    model="streamlake/deepseek-v4.1-flash-260910",
    messages=[{"role": "user", "content": "Hello!"}],
)

model_list:
  - model_name: deepseek-v4.1-flash-260910
    litellm_params:
      model: streamlake/deepseek-v4.1-flash-260910
      # credentials: see the provider's LiteLLM docs page

curl http://0.0.0.0:4000/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $LITELLM_API_KEY" \
  -d '{
    "model": "deepseek-v4.1-flash-260910",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

DeepSeek V4.1 Flash 260910 FAQ

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