FLUX 3 Image Klein · vercel

FLUX 3 Image Klein is Black Forest Labs’ smaller, faster image generation and editing model, with 5.6 billion parameters and open weights. It supports text-to-image generation, image editing, multiple reference images, and layouts specified with bounding boxes. The hosted API produces images across five resolution classes from 768 × 768 to 4K.

Basismodell Alle Modelle dieser Basis Alle Modelle des Anbieters zum Anbieter

Preis, $ $0.009 / Bild

Kontext —

Akzeptiert Text

Zuletzt geprüft 04.11.2026 12:00:14 UTC

Quelle —

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API

OpenAI-kompatible API: Die offiziellen OpenAI-SDKs funktionieren mit dieser Basis-URL. Ersetzen Sie YOUR_API_KEY durch Ihren Schlüssel vom Anbieter.

API-Basis-URL	`https://ai-gateway.vercel.sh/v1`
Endpunkt	`https://ai-gateway.vercel.sh/v1/images/generations`
Modell-ID	`bfl/flux-3-image-klein`

curl

curl https://ai-gateway.vercel.sh/v1/images/generations \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "bfl/flux-3-image-klein", "prompt": "a lighthouse at sunset", "n": 1, "size": "1024x1024"}'

Python

import requests

r = requests.post(
    "https://ai-gateway.vercel.sh/v1/images/generations",
    headers={"Authorization": "Bearer YOUR_API_KEY"},
    json={
      "model": "bfl/flux-3-image-klein",
      "prompt": "a lighthouse at sunset",
      "n": 1,
      "size": "1024x1024"
    },
)
print(r.json())

JavaScript

const r = await fetch("https://ai-gateway.vercel.sh/v1/images/generations", {
  method: "POST",
  headers: {Authorization: "Bearer YOUR_API_KEY", "Content-Type": "application/json"},
  body: JSON.stringify({
    "model": "bfl/flux-3-image-klein",
    "prompt": "a lighthouse at sunset",
    "n": 1,
    "size": "1024x1024"
  }),
});
console.log(await r.json());

Anfrage (JSON)

{
  "model": "bfl/flux-3-image-klein",
  "prompt": "a lighthouse at sunset",
  "n": 1,
  "size": "1024x1024"
}

Antwort (JSON)

{
  "created": 1760000000,
  "data": [
    {
      "url": "https://...",
      "b64_json": null
    }
  ]
}

Die Adresse stammt aus der Modellliste des Anbieters; bitte mit seiner Dokumentation abgleichen.

API-Dokumentation des Anbieters

Source: AI Rate Card, https://airatecard.com/de/c/offer%3Avercel%7Cbfl/flux-3-image-klein, prices checked 2026-11-04

Technische Details

ID: offer:vercel|bfl/flux-3-image-klein