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Flux Kontext Dev

by Modelslab

Open-weight 12B parameter multimodal flow transformer enabling precise, iterative image editing with superior character retention, local edits, style transfer, and fast real-time performance.

flux-kontext-dev
Open Source ModelUnlimited UsageLLMs.txt
API PlaygroundAPI Documentation

Input

File preview

File preview

Per image generation will cost 0.0047$
For premium plan image generation will cost 0.00$ i.e Free.

Output

Idle

Unknown content type

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About Flux Kontext Dev

Open-weight 12B parameter multimodal flow transformer enabling precise, iterative image editing with superior character retention, local edits, style transfer, and fast real-time performance.

Technical Specifications

Model ID
flux-kontext-dev
Provider
Modelslab
Category
Image Models
Task
Text to Image
Price
$0.0047 per API call
Added
June 26, 2025

Key Features

  • High-resolution AI image generation from text prompts
  • Negative prompt support for precise control
  • Multiple output formats and aspect ratios
  • Adjustable inference steps and guidance scale
  • Batch generation support via API

Quick Start

Integrate Flux Kontext Dev into your application with a single API call. Get your API key from the pricing page to get started.

import requests
import json


url = "https://modelslab.com/api/v6/images/img2img"


headers = {
    "Content-Type": "application/json"
}


data = {
        "model_id": "flux-kontext-dev",
        "prompt": "your prompt here",
        "key": "YOUR_API_KEY"
    }


try:
    response = requests.post(url, headers=headers, json=data)
    response.raise_for_status()  # Raises an HTTPError for bad responses (4XX or 5XX)
    result = response.json()
    print("API Response:")
    print(json.dumps(result, indent=2))
except requests.exceptions.HTTPError as http_err:
    print(f"HTTP error occurred: {http_err} - {response.text}")
except Exception as err:
    print(f"Other error occurred: {err}")

View the full API documentation for SDKs, code examples in Python, JavaScript, and more.

Pricing

Flux Kontext Dev API costs $0.0047 per API call. Pay only for what you use with no minimum commitments. View pricing plans

Use Cases

  • Product photography and e-commerce visuals
  • Marketing and social media content creation
  • Concept art and design prototyping
  • Custom illustrations and artwork
Browse Image ModelsMore from ModelslabView Pricing

Flux Kontext Dev FAQ

Open-weight 12B parameter multimodal flow transformer enabling precise, iterative image editing with superior character retention, local edits, style transfer, and fast real-time performance.

You can integrate Flux Kontext Dev into your application with a single API call. Sign up on ModelsLab to get your API key, then use the model ID "flux-kontext-dev" in your API requests. We provide SDKs for Python, JavaScript, and cURL examples in the API documentation.

Flux Kontext Dev costs $0.0047 per API call. ModelsLab uses pay-per-use pricing with no minimum commitments. A free tier is available to get started.

The model ID for Flux Kontext Dev is "flux-kontext-dev". Use this ID in your API requests to specify this model.

Yes, ModelsLab offers a free tier that lets you try Flux Kontext Dev and other AI models. Sign up to get free API credits and start building immediately.