Flux Kontext Pro: AI Image Generator & Editor Online
Bottom line
Black Forest Labs' instruction-based editor: describe the change, keep everything else intact. Generate from text or edit an existing image with Flux Kontext Pro in one place — VdoBloom shows the credit cost for either mode before you confirm.
The hard part of AI image editing was never making the change — it was leaving everything else alone. Ask an ordinary generator to alter a shirt color and it repaints the whole scene, shifting the face, light, and background along the way. Flux Kontext Pro was built against exactly that failure: give it an image and a plain-language instruction, and it applies the edit while preserving what surrounds it, which also makes keeping a character consistent across a series of images realistic rather than lucky.
It comes from Black Forest Labs, the German lab founded by researchers behind the original Stable Diffusion work, whose Flux family has become a fixture of modern image generation. Kontext is that family's instruction-editing branch, and Pro is its workhorse tier — equally usable for straight text-to-image when you are starting from nothing.
Output lands in six aspect ratios — 21:9, 16:9, 4:3, 1:1, 3:4, and 9:16 — and VdoBloom users rate the model 4.3. Filtering sits at the platform's MODERATE level: standard restrictions, no unusual lockdown.
What creators use Flux Kontext Pro for
- Changing one element of an image — a shirt color, a sign's wording — while the rest stays untouched.
- Keeping a character consistent across a series of images by editing rather than regenerating from scratch.
- Text-to-image banners at 21:9 with a follow-up instruction-edit pass in the same model.
How to use Flux Kontext Pro on VdoBloom
- 1Open the Text to Image tool and select Flux Kontext Pro.
- 2Write your prompt (or upload an image to edit).
- 3Set aspect ratio, review the credit cost, and generate.
Frequently asked questions
What does "Kontext" mean in Flux Kontext Pro?
It is Black Forest Labs' in-context line: models that take an image plus a plain-language instruction and apply the change while preserving the surrounding content, rather than regenerating the whole frame from scratch.
Who develops the Flux models?
Black Forest Labs, the German lab founded by researchers behind the original Stable Diffusion work. Flux is their flagship image family and Kontext is its instruction-editing branch.
Which aspect ratios can Flux Kontext Pro output?
Six: 21:9, 16:9, 4:3, 1:1, 3:4, and 9:16. That runs from ultrawide banner framing down to vertical social formats, with no unusual intermediate ratios.
How strict is Flux Kontext Pro's content filter?
It carries the MODERATE label — standard filtering. Clearly restricted material is blocked, but it is not as locked down as the strictly censored models on the platform.