Run queries immediately, pay only for usage
Per 1M tokens
About this model
DeepSeek V4.1 Flash is the newest DeepSeek release, a Mixture-of-Experts model with a 1M-token context and controllable thinking (reasoning_effort 1-100). It is available through the DOS.AI gateway on Alibaba Cloud Model Studio with unified billing and OpenAI compatibility.
Capabilities
Use Cases
- High-volume reasoning
- Code development
- Long-document analysis
- Batch processing
Providers
One model, several sources. DOS routes to the first that answers and falls back automatically, or you can pin a provider per request.
| Provider | Input /1M | Output /1M | Context |
|---|---|---|---|
Alibaba Cloud | $0.315 | $1.26 | 1M |
Model Details
- Provider
- Alibaba Cloud
- Model ID
- deepseek-v4.1-flash
- Parameters
- MoE (flash tier)
- Context Length
- 1M tokens
- Category
- chat
API Usage
Use the DOS API to integrate DeepSeek V4.1 Flash into your applications. Our API is compatible with OpenAI's client libraries for easy migration.
Model ID
deepseek-v4.1-flashPython
from dos import DOS
client = DOS()
response = client.chat.completions.create(
model="deepseek-v4.1-flash",
messages=[
{"role": "user", "content": "Hello, how are you?"}
]
)
print(response.choices[0].message.content)cURL
curl https://api.dos.ai/v1/chat/completions \
-H "Authorization: Bearer $DOS_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "deepseek-v4.1-flash",
"messages": [
{"role": "user", "content": "Hello, how are you?"}
]
}'Node.js
import DOS from 'dos-ai';
const client = new DOS();
const response = await client.chat.completions.create({
model: "deepseek-v4.1-flash",
messages: [
{ role: "user", content: "Hello, how are you?" }
]
});
console.log(response.choices[0].message.content);Related Models
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