FLUX.2 Technical Specifications
Last updated: January 18, 2026
FLUX.2 Technical Specifications
Detailed technical specifications for all FLUX.2 models.
Resolution Limits
Parameter | Value |
Minimum resolution | 64 x 64 pixels |
Maximum resolution | 4 megapixels (e.g., 2048x2048) |
Dimension requirement | Must be multiples of 16 |
Multi-Reference Image Limits
Model | API Limit | Playground Limit |
[klein] 4B & 9B | Up to 4 | Up to 4 |
[max] | Up to 8 | Up to 10 |
[pro] | Up to 8 | Up to 10 |
[flex] | Up to 8 | Up to 10 |
API Endpoints
Model | Endpoint |
[klein] 4B |
|
[klein] 9B |
|
[max] |
|
[pro] |
|
[flex] |
|
Feature Availability
Feature | [klein] | [max] | [pro] | [flex] | [dev] |
Text-to-image | Yes | Yes | Yes | Yes | Yes |
Image editing | Yes | Yes | Yes | Yes | Yes |
Multi-reference | Yes (4) | Yes (8-10) | Yes (8-10) | Yes (8-10) | Yes (6) |
Grounding search | No | Yes | No | No | No |
Hex color control | Yes | Yes | Yes | Yes | Yes |
Local deployment | Yes | No | No | No | Yes |
Grounding Search ([max] Exclusive)
FLUX.2 [max] includes grounding search - the ability to perform web searches and incorporate real-time information into generated images. Use cases include:
Current events and news imagery
Real-time data visualization
Products and trending items
Historical events with accurate details
Exact Color Matching
FLUX.2 models support precise color matching using hex codes in prompts:
"A ceramic vase with the exact color #02eb3c on a white marble table"
The model will match the specified hex color precisely in the output.