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Black Forest Labs

FLUX.2 Klein 9B

flagship
Black Forest Labs · released 2025-06-01 · text
currently routing · 4.2k rpm
256K tokens
Context
— / 1M
Input
— / 1M
Output
— t/s
Speed
proprietary
License
/ ABOUT

FLUX.2 Klein 9B is a mid-sized text-to-image generation model from Black Forest Labs, offering a balance between the compact 4B and full-size FLUX.2 variants. With 9 billion parameters, it provides noticeably better image quality and prompt adherence than the 4B version while remaining more efficient than the flagship model.

The 9B Klein variant is well-suited for production applications that need high-quality output without the full computational cost of larger models. It handles complex prompts, text rendering in images, and multi-subject compositions effectively.

This model fills an important niche for developers who need quality close to the flagship FLUX.2 at reduced inference cost and memory requirements.

Providers for FLUX.2 Klein 9B

2 routes · sorted by uptime

ClosedRouter routes requests to the providers best able to handle your prompt size and parameters, with automatic fallbacks to maximize uptime.

Provider
Context
Quant
Uptime · 30d
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