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What is FLUX.2 Klein 9B AI image generator?
FLUX.2 Klein 9B is Black Forest Labs' high-fidelity distilled AI image model. Nine billion parameters. Four inference steps. Sub-second generation. Write a prompt and get a finished image in under a second. Attach up to five reference photos and describe an edit. Swap a backdrop, change an outfit, restyle a scene, or extend a composition. Klein 9B renders crisp text up to four megapixels — headlines, button labels, signage, magazine spreads. Choose any aspect ratio from square to ultrawide cinematic. Available in Visual Sandbox alongside other advanced AI image models, so you can generate, edit, and iterate in a single place. A practical choice for hero shots, ad creative, character consistency, social content, and concept exploration where quality matters.
FLUX.2 Klein 9B pricing
| Tier | Price |
|---|---|
| 1 MP | $0.02 / image |
| 2 MP | $0.04 / image |
| 4 MP | $0.08 / image |
| Reference image (per MP) | +$0.02 / image |
Billed per megapixel. 0.25 MP and 0.5 MP options are also available in the composer at proportionally lower cost. Reference images add the per-MP rate above for each input.
Anything that begins with a prompt and ends in a finished image. Generate product shots, portraits, and concept art in any aspect ratio. Run rapid variations of an ad creative across a campaign. Compose cinematic scenes with photoreal light. Refine an existing photo by attaching it as a reference and describing the change. Klein 9B is designed for speed and quality, so it shines for iteration loops where you want sharp results in the time another model takes to start.