app.py

import os
from fastapi import FastAPI, Request
from pydantic import BaseModel
from openai import OpenAI

app = FastAPI()

client = OpenAI(
    base_url="https://router.huggingface.co/v1",
    api_key=os.environ["HF_TOKEN"],
)

class Query(BaseModel):
    question: str

@app.get("/")
async def root():
    return {"message": "API está rodando!"}

@app.post("/ask")
async def ask_model(query: Query):
    completion = client.chat.completions.create(
        model="Qwen/Qwen3-4B-Thinking-2507:nscale",
        messages=[
            {"role": "user", "content": query.question}
        ],
    )
    answer = completion.choices[0].message.content
    return {"answer": answer}