DeepSeek V4.1 Flash 1017
deepseek-v4.1-flash-1017
deepseek-v4.1-flash-1017 is available at deepseek-v4.1-flash-1017. Below: prices per channel, specifications and request examples.
Prices per channel
| Channel | Input, per 1M | Output, per 1M | Cache, per 1M |
|---|---|---|---|
| Auto · default deepseek-v4.1-flash-1017 | $0.0141 | $0.0558 | $0.0015 |
| Channel 7 deepseek-v4.1-flash-1017:c7 | $0.011 | $0.0436 | $0.0011 |
| Channel 8 deepseek-v4.1-flash-1017:c8 | $0.0288 | $0.1148 | $0.0029 |
| Channel 12 deepseek-v4.1-flash-1017:c12 | $0.0141 | $0.0558 | $0.0015 |
| Channel 14 deepseek-v4.1-flash-1017:c14 | $0.26 | $0.78 | $0.0052 |
| Channel 17 deepseek-v4.1-flash-1017:c17 | $0.0432 | $0.3763 | $0.0079 |
Prices per 1M tokens. You pay for what you use. Pick a channel with a suffix: deepseek-v4.1-flash-1017:c7; without one you get the default channel.
Specifications
- Context window
- 1,048,576 tokens
- Max output tokens
- 131,072 tokens
- Image input
- yes
- Reasoning
- yes
- Anthropic format (/v1/messages)
- yes
- Data in Russia
- no
Request example
Create a key in the dashboard. Streaming works too: add "stream": true.
curl https://demo-en.alexshkarupa.com/v1/chat/completions \
-H "Authorization: Bearer $API_KEY" \
-H "Content-Type: application/json" \
-d '{"model": "deepseek-v4.1-flash-1017", "messages": [{"role": "user", "content": "Hello!"}]}'from openai import OpenAI
client = OpenAI(base_url="https://demo-en.alexshkarupa.com/v1", api_key="YOUR_KEY")
reply = client.chat.completions.create(
model="deepseek-v4.1-flash-1017",
messages=[{"role": "user", "content": "Hello!"}],
)
print(reply.choices[0].message.content)Questions and answers
How much does deepseek-v4.1-flash-1017 cost?
Input is $0.0141 per 1M tokens, output $0.0558 per 1M. You are charged for the tokens actually used, so a single request costs a fraction of a cent. Your balance and spending are in the dashboard.
What is the context window of deepseek-v4.1-flash-1017?
Up to 1,048,576 input tokens and up to 131,072 output tokens.
How do I call deepseek-v4.1-flash-1017?
Set the base URL to https://demo-en.alexshkarupa.com/v1 and use "deepseek-v4.1-flash-1017" in the model field of any OpenAI-compatible client. curl and Python examples are on this page.
How do channels differ?
Channels are independent routes to the same model at different prices. Without a suffix a request takes the default channel; to pin a channel add its number: deepseek-v4.1-flash-1017:c7. A pinned channel never fails over silently: if it is unavailable, the request returns an error.
Is cached input cheaper?
Repeated context is billed at the cache price — $0.0015 per 1M tokens instead of $0.0141.
Does deepseek-v4.1-flash-1017 understand images?
Yes, images can be sent along with text.
Does it support reasoning?
Yes, the model supports a reasoning mode; its depth is set by a request parameter.
Other models
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