AI Rate CardStep 5 Preview · vercel
Step 5 Preview is StepFun’s flagship AI model for agentic coding, professional knowledge work, and financial analysis. Built on a sparse Mixture-of-Experts architecture with 600B total parameters and 27B active per token, it combines a 1M-token context window with vision input. From building interactive applications and debugging code to conducting research and producing analytical reports, it supports complex workflows that require sustained reasoning, tool use, and iterative refinement.
Вход, $/1M $1.00
Выход, $/1M $2.70
Чтение из кэша $0.10
Запись в кэш —
Контекст 1 048 576
Макс. выход 1 048 576
Принимает картинки, текст, видео
Последняя проверка 04.11.2026 12:00:14 UTC
Источник страница провайдера
Уведомления о ценах
API
API, совместимый с OpenAI: подходят официальные SDK OpenAI с этим адресом. YOUR_API_KEY замените на свой ключ от провайдера.
| Адрес API | |
|---|---|
| Эндпоинт | |
| Модель (id в API) | |
curl
curl https://ai-gateway.vercel.sh/v1/chat/completions \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model": "stepfun/step-5-preview", "messages": [{"role": "user", "content": "Hello!"}], "max_tokens": 256}'Python
import requests
r = requests.post(
"https://ai-gateway.vercel.sh/v1/chat/completions",
headers={"Authorization": "Bearer YOUR_API_KEY"},
json={
"model": "stepfun/step-5-preview",
"messages": [
{
"role": "user",
"content": "Hello!"
}
],
"max_tokens": 256
},
)
print(r.json())JavaScript
const r = await fetch("https://ai-gateway.vercel.sh/v1/chat/completions", {
method: "POST",
headers: {Authorization: "Bearer YOUR_API_KEY", "Content-Type": "application/json"},
body: JSON.stringify({
"model": "stepfun/step-5-preview",
"messages": [
{
"role": "user",
"content": "Hello!"
}
],
"max_tokens": 256
}),
});
console.log(await r.json());Запрос (JSON)
{
"model": "stepfun/step-5-preview",
"messages": [
{
"role": "user",
"content": "Hello!"
}
],
"max_tokens": 256
}Ответ (JSON)
{
"id": "chatcmpl-...",
"object": "chat.completion",
"model": "stepfun/step-5-preview",
"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
}
}Адрес взят из списка моделей провайдера - сверьте с его документацией.
Source: AI Rate Card, https://airatecard.com/ru/c/offer%3Avercel%7Cstepfun/step-5-preview, prices checked 2026-11-04; seller's page: https://vercel.com/ai-gateway/models/step-5-preview
Технические данные
ID: offer:vercel|stepfun/step-5-preview