DeepSeek V4.1 Flash 1017 · requesty
DeepSeek V4.1 Flash 1017 is the October 2026 refresh of DeepSeek V4.1 Flash, a 552B parameter Mixture of Experts model with native vision. 1M token context window, 64K max output, thinking and non thinking modes, tool calling, structured JSON output and prompt caching. Served in the EU via TensorX on NVIDIA B300s at $0.50 input, $0.13 cache read and $1.50 output per 1M tokens, with zero data retention and no training on user data. Open weights on Hugging Face.
Input, $/1M $0.50
Output, $/1M $1.50
Cache read $0.13
Cache write —
Context 1 048 576
Max output 65 536
Accepts images, text
Last checked 04.11.2026 12:00:14 UTC
Source provider's page
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API
OpenAI-compatible API: the official OpenAI SDKs work with this base URL. Replace YOUR_API_KEY with your key from the provider.
| API base URL | |
|---|---|
| Endpoint | |
| Model id | |
curl
curl https://router.requesty.ai/v1/chat/completions \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model": "tensorx/deepseek-v4.1-flash-1017", "messages": [{"role": "user", "content": "Hello!"}], "max_tokens": 256}'Python
import requests
r = requests.post(
"https://router.requesty.ai/v1/chat/completions",
headers={"Authorization": "Bearer YOUR_API_KEY"},
json={
"model": "tensorx/deepseek-v4.1-flash-1017",
"messages": [
{
"role": "user",
"content": "Hello!"
}
],
"max_tokens": 256
},
)
print(r.json())JavaScript
const r = await fetch("https://router.requesty.ai/v1/chat/completions", {
method: "POST",
headers: {Authorization: "Bearer YOUR_API_KEY", "Content-Type": "application/json"},
body: JSON.stringify({
"model": "tensorx/deepseek-v4.1-flash-1017",
"messages": [
{
"role": "user",
"content": "Hello!"
}
],
"max_tokens": 256
}),
});
console.log(await r.json());Request (JSON)
{
"model": "tensorx/deepseek-v4.1-flash-1017",
"messages": [
{
"role": "user",
"content": "Hello!"
}
],
"max_tokens": 256
}Response (JSON)
{
"id": "chatcmpl-...",
"object": "chat.completion",
"model": "tensorx/deepseek-v4.1-flash-1017",
"choices": [
{
"index": 0,
"message": {
"role": "assistant",
"content": "Hi! How can I help?"
},
"finish_reason": "stop"
}
],
"usage": {
"prompt_tokens": 9,
"completion_tokens": 12,
"total_tokens": 21
}
}The address is taken from the provider's model list; check it against the provider's documentation.
Source: AI Rate Card, https://airatecard.com/en/c/offer%3Arequesty%7Ctensorx/deepseek-v4.1-flash-1017, prices checked 2026-11-04; seller's page: https://requesty.ai
Technical details
ID: offer:requesty|tensorx/deepseek-v4.1-flash-1017