Flux Kontext Pro: AI Image Generator & Editor Online
Bottom line
Instruction-edit one image at a time for 7 credits — Black Forest Labs' workhorse Kontext tier. 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.
Flux Kontext Pro is an in-context editor: give it an existing image and a plain-language instruction — "change the shirt to blue," "swap the background to a studio backdrop" — and it applies that one change while leaving the rest of the frame alone. That is a different job from a generator repainting a whole scene, and it is why Kontext has become a common pick for keeping a character or product consistent across a series of edits.
It comes from Black Forest Labs, the German lab whose Flux family also underpins VdoBloom's Flux 2 Pro and FLUX.2 [dev] tools. Pro is the workhorse tier: it can generate from a text prompt with no starting image, or take one reference image and an edit instruction (VdoBloom caps input at a single image here — for edits that need several source images at once, Flux 2 Pro I2I or Qwen2 Image Edit take more). Output lands in six aspect ratios, from 21:9 down to 9:16, in jpeg or png.
On VdoBloom it costs 7 credits a run, carries a MODERATE content-filter badge, and is rated 4.3 by users. Black Forest Labs distributes Pro only through paid API access — it is not released with open weights.
What it costs on VdoBloom
Flux Kontext Pro is flat-priced at 7 credits per run regardless of aspect ratio or whether you're generating or editing — there's no resolution tier to push the cost up. New accounts get 10 free credits, enough for one run with 3 left over. Every job shows its credit cost before you confirm, and a failed generation is refunded automatically rather than burning the credits.
Flux Kontext Pro vs its Flux siblings
Within Black Forest Labs' own lineup on VdoBloom, Kontext Pro (7cr, 1 image, 6 ratios) sits between the cheaper multi-image Flux 2 Pro I2I (12cr, 1-8 images, 1K/2K, auto ratio) and the premium Kontext Max (10cr, same 1-image/6-ratio shape, positioned for stronger typography). If the job is a single precise change to one photo, Kontext Pro is the baseline; step up to Max for text-heavy comps, or over to Flux 2 Pro I2I when you need several reference images in one job.
Common problems and how to avoid them
The complaint that shows up most with in-context editors, Kontext included, is the model doing nothing or only touching part of the request. That's a prompt-adherence limitation of instruction-editing generally, not a VdoBloom-specific bug, and it tends to improve with a short, literal instruction naming one change rather than several. VdoBloom doesn't alter what the model does with your prompt, but it does show the exact credit cost before every run and refunds automatically if the generation fails outright, so a bad result at least isn't a silent credit loss.
What creators use Flux Kontext Pro for
- Swapping one element of a photo — a color, a sign's wording, a backdrop — without disturbing the rest.
- Keeping a product or character consistent across a run of images by editing the same source repeatedly.
- Text-to-image drafts at 21:9 or 16:9 for banner layouts, with a follow-up instruction-edit 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
How much does Flux Kontext Pro cost on VdoBloom?
7 credits per run, whether you're generating from text or editing one uploaded image. The cost is quoted before you click Transform, and VdoBloom refunds the credits automatically if the job fails.
What do my 10 free signup credits get me on Flux Kontext Pro?
One run, with 3 credits left over. New accounts start with 10 free credits; a single Kontext Pro edit or generation uses 7 of them.
Is Flux Kontext Pro censored?
VdoBloom rates its content filter MODERATE — standard provider-level restrictions, not the strict tier used by models like Nano Banana or GPT Image, and not the more permissive HOT tier either. Clearly restricted material is still declined.
Is Flux Kontext Pro open source?
No. Black Forest Labs sells Kontext Pro only as paid API access — the open-weight release in this family is the separate Kontext [dev] model, which VdoBloom does not currently host.
Flux Kontext Pro or Flux Kontext Max — which do I need?
Pro at 7 credits covers most instruction edits. Max costs 10 credits and is Black Forest Labs' higher tier, positioned around stronger typography and prompt adherence for cases like packaging comps where on-image text has to hold up under close inspection.
Flux Kontext Pro vs Flux 2 Pro I2I — which handles multiple reference images?
Kontext Pro takes one image per edit. Flux 2 Pro I2I, also from Black Forest Labs, accepts one to eight images per job with an auto aspect-ratio mode and 1K/2K output, for 12 credits. Pick Kontext Pro for single-image precision edits and Flux 2 Pro I2I when a job needs several source images or resolution control.
Flux Kontext Pro vs Qwen2 Image Edit — which is cheaper for editing several images?
Qwen2 Image Edit accepts up to 10 images per job across 8 aspect ratios for 6 credits — cheaper and higher-capacity than Kontext Pro's single-image, 7-credit, 6-ratio setup. Kontext's advantage is its specific in-context preservation behavior for one image at a time; Qwen2 is the pick for batching several images through the same edit cheaply.
Why does Flux Kontext Pro sometimes leave my image unchanged or ignore part of my instruction?
This shows up across instruction-editing models generally: vague phrasing ('make it better'), instructions that conflict with keeping the rest of the image intact, or edits that require restructuring the whole scene rather than a local change, all tend to get partially applied or skipped. Naming the exact element to change and what it should become, in one direct sentence, gets more consistent results than a long stacked list of asks. If a run still comes back wrong, VdoBloom shows the credit cost before you generate and refunds automatically on a failed job — it does not retroactively fix a completed edit that missed the instruction.
What aspect ratios and output formats does Flux Kontext Pro support?
Six ratios — 21:9, 16:9, 4:3, 1:1, 3:4, and 9:16 — output as jpeg or png. There is no auto or source-matching option here; pick the ratio the deliverable needs before you run the job.
Can Flux Kontext Pro generate a new image, or does it only edit existing ones?
Both. Without an uploaded image it works as a plain text-to-image generator; upload one image and add an instruction and it switches to edit mode, changing only what you describe.