Flux Kontext Dev
by ModelsLabOpen-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-devInput
Per image generation will cost $0.0047.
Open-source models are included on the $149/month Open Source Unlimited plan. Third-party models are billed per generation on every plan.
Output
Unknown content type
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Built for speed when you are iterating on a prompt.
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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 requestsimport jsonurl = "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}")
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
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 plans start at $21/month (Basic), and the $149/month Open Source plan includes unlimited generation on open-source models.
The model ID for Flux Kontext Dev is "flux-kontext-dev". Use this ID in your API requests to specify this model.
Yes. ModelsLab is subscription-based with no free tier — plans start at $21/month (Basic, 3,250 API calls). The $149/month Open Source Unlimited plan includes unlimited generation across open-source models; premium third-party models are billed per call from your wallet.