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. Mixture of Experts with native vision, 1M token context, tool calling and structured outputs. Served serverless on Fireworks.
Input, $/1M $0.30
Output, $/1M $1.20
Cache read $0.006
Cache write —
Context 1 048 576
Max output 131 072
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": "fireworks/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": "fireworks/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": "fireworks/deepseek-v4.1-flash-1017",
"messages": [
{
"role": "user",
"content": "Hello!"
}
],
"max_tokens": 256
}),
});
console.log(await r.json());Request (JSON)
{
"model": "fireworks/deepseek-v4.1-flash-1017",
"messages": [
{
"role": "user",
"content": "Hello!"
}
],
"max_tokens": 256
}Response (JSON)
{
"id": "chatcmpl-...",
"object": "chat.completion",
"model": "fireworks/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%7Cfireworks/deepseek-v4.1-flash-1017, prices checked 2026-11-04; seller's page: https://requesty.ai
Technical details
ID: offer:requesty|fireworks/deepseek-v4.1-flash-1017