About FLUX.2 Klein 4B
FLUX.2 [klein] 4B is the fastest and most cost-effective model in the FLUX.2 family, optimized for high-throughput use cases while maintaining excellent image quality.
Pricing is based on the output image. The first generated megapixel is charged $0.014. Each subsequent megapixel is charged $0.001.
Specifications
- Provider
- Black forest labs
- Context Length
- 67,344 tokens
- Input Types
- text, image
- Output Types
- image
- Category
- Other
- Added
- 1/14/2026