DeepSeek V4.1 Flash 1017 · requesty
DeepSeek V4.1 Flash 1017 is a minor update to DeepSeek V4.1 Flash with substantial gains in reasoning, coding, agentic tasks and visual benchmarks, plus shorter outputs and faster task completion. 552B parameter Mixture of Experts with native vision, 1M token context, thinking and non thinking modes, tool calling, structured JSON output and prompt caching. Served on DeepInfra in FP8 with zero retention. Open weights on Hugging Face.
Input, $/1M $0.098
Output, $/1M $0.29
Cache read $0.00294
Cache write —
Price alerts
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": "deepinfra/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": "deepinfra/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": "deepinfra/deepseek-v4.1-flash-1017",
"messages": [
{
"role": "user",
"content": "Hello!"
}
],
"max_tokens": 256
}),
});
console.log(await r.json());Request (JSON)
{
"model": "deepinfra/deepseek-v4.1-flash-1017",
"messages": [
{
"role": "user",
"content": "Hello!"
}
],
"max_tokens": 256
}Response (JSON)
{
"id": "chatcmpl-...",
"object": "chat.completion",
"model": "deepinfra/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%7Cdeepinfra/deepseek-v4.1-flash-1017, prices checked 2026-11-04; seller's page: https://requesty.ai
Technical details
ID: offer:requesty|deepinfra/deepseek-v4.1-flash-1017