DeepSeek V4.1 Flash 1017 API
deepseek-v4.1-flash-1017
DeepSeek V4.1 Flash 1017 is the October 17, 2026 snapshot of DeepSeek V4.1 Flash, served by DeepSeek under the `deepseek-flash` API model name. V4.1 Flash is a sparse mixture-of-experts model...
CallAI pricing
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SDK quickstart
OpenAI-compatiblefrom openai import OpenAI
client = OpenAI(
api_key="sk-live-your-callai-key",
base_url="https://api.callaiapi.com/v1"
)
response = client.chat.completions.create(
model="deepseek-v4.1-flash-1017",
messages=[
{"role": "system", "content": "You are a helpful coding assistant."},
{"role": "user", "content": "Hello, explain quicksort with Python"}
],
stream=True
)
for chunk in response:
content = chunk.choices[0].delta.content
if content:
print(content, end="", flush=True)import OpenAI from 'openai';
const openai = new OpenAI({
apiKey: process.env.CALLAI_API_KEY,
baseURL: 'https://api.callaiapi.com/v1',
});
const response = await openai.chat.completions.create({
model: 'deepseek-v4.1-flash-1017',
messages: [{ role: 'user', content: 'Hello!' }],
stream: true,
});
for await (const chunk of response) {
process.stdout.write(chunk.choices[0]?.delta?.content || '');
}FAQ — DeepSeek V4.1 Flash 1017
How do I call DeepSeek V4.1 Flash 1017 (deepseek-v4.1-flash-1017)?
Use the official OpenAI SDK with base_url https://api.callaiapi.com/v1, your CallAI API key, and model "deepseek-v4.1-flash-1017".
What does DeepSeek V4.1 Flash 1017 cost?
Pay-as-you-go: input $0.330/1M tokens, output $1.32/1M tokens. Fund with USDT — no credit card required.
Can I use DeepSeek V4.1 Flash 1017 in Cursor or Windsurf?
Yes. Set OpenAI Base URL to https://api.callaiapi.com/v1 and add model "deepseek-v4.1-flash-1017" in Settings → Models.
Can I pay without a credit card?
Yes. Top up with USDT-TRC20 from $1. Balance never expires and works for DeepSeek V4.1 Flash 1017 and other CallAI services.
Related models
View all pricing →DeepSeek V4.1 Flash 1017 access facts
Model ID: deepseek-v4.1-flash-1017 · Vendor: DeepSeek · Pay-as-you-go
- Model ID
- deepseek-v4.1-flash-1017
- Vendor
- DeepSeek
- Context window
- 1.0M
- CallAI price (in/out 1M)
- $0.330 / $1.32
- Upstream benchmark
- $0.300 / $1.20
- Protocol
- OpenAI SDK Compatible
- Base URL
- https://api.callaiapi.com/v1
- Best for
- Cursor, CLI agents, production apps