Flux 2 Pro
Black Forest Labs' professional-grade image model delivering high-quality outputs with precise control. Flux 2 Pro supports text-to-image generation and image editing with flexible sizing, safety controls, and simple flat per-image pricing.
17% less than the priciest provider (5 compared). Same model, same output.
Optional reference images to edit or compose from (up to 8; some providers cap lower). Leave empty for pure text-to-image.
Aspect Ratio
Aspect ratio of the generated image. 'auto' lets the model infer framing from your input images where supported.
Resolution
Output resolution tier. 1K is about 1 megapixel, 2K about 4 megapixels and costs more.
17% less than the priciest provider (5 compared). Same model, same output.
Your result renders here.
Use Flux 2 Pro via the API
Generate with Flux 2 Pro from your own code. Async by design: submit a generation, get a run id back instantly, poll until it completes. Billed in credits at the best available provider price — from $0.025 per image.
1 — Start a generation
curl -X POST https://app.scenetra.com/api/v1/generate/flux-2-pro \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{"prompt":"a watercolor fox in falling snow, soft light","aspect_ratio":"1:1","resolution":"1K"}'Response (202)
{
"runId": "run_abc123",
"status": "PENDING",
"model": "flux-2-pro",
"estimatedCredits": 25,
"statusUrl": "/api/v1/runs/run_abc123"
}2 — Poll until COMPLETED (every 2-5 seconds)
curl https://app.scenetra.com/api/v1/runs/run_abc123 \
-H "Authorization: Bearer YOUR_API_KEY"Response
{
"runId": "run_abc123",
"status": "COMPLETED",
"progress": { "completed": 1, "total": 1 },
"outputs": [
{ "type": "image", "url": "https://images.scenetra.com/..." }
],
"error": null,
"estimatedCredits": 25
}Request fields
| Field | Type | Description | Default |
|---|---|---|---|
| prompt* | string | Describe the image to generate, or the edit to apply to the input images. | — |
| image_urls | string[] (https URLs) | Optional reference images to edit or compose from (up to 8; some providers cap lower). Leave empty for pure text-to-image. | — |
| aspect_ratio | string | Aspect ratio of the generated image. 'auto' lets the model infer framing from your input images where supported.auto · 1:1 · 4:3 · 3:4 · 16:9 · 9:16 · 3:2 · 2:3 | 1:1 |
| resolution | string | Output resolution tier. 1K is about 1 megapixel, 2K about 4 megapixels and costs more.1K · 2K | 1K |
| callbackUrl | string (https URL) | Optional. When the run finishes (completed or failed), we POST the final run status to this URL — same shape as the poll response, plus model, params, and chargedCredits. Best-effort; polling remains the source of truth. | |
Unknown fields are rejected with a helpful 400. Media fields take https URLs. There is no provider parameter — every run is routed to the cheapest capable provider automatically.
Good to know
Billing
Runs bill your account credits at provider cost with 0% markup. The submit response includes the credit estimate; failed generations are refunded automatically. Add ?dryRun=1 to get the estimate without running anything.
Errors
Errors are always { "error": { "code", "message" } } with stable codes: unauthorized, model_not_available, invalid_parameter, insufficient_credits, rate_limited. A failed run is not an HTTP error — poll responses report status: "FAILED" with the reason.
What makes Flux 2 Pro different
Best price across five providers
Every run is auctioned across the providers that serve Flux 2 Pro and sent to the cheapest one that supports your settings. At 1K that is $0.025 per image and at 2K $0.035, with reference images free — the same model and output that costs up to $0.03 per 1K image elsewhere, and the price you see in the playground is the price you pay.
The Flux family's professional tier
Pro sits between the budget Flux 2 model and the flagship Flux 2 Max: noticeably more polished output than the base tier for a fraction of Max's price. It's the tier built for client-facing work — the images that leave your board and go into a deck, an ad, or a storefront.
Editing that switches on automatically
Attach reference images and Flux 2 Pro automatically switches from generation to editing — restyle, revise, or combine your inputs according to the prompt. Reference images are free on the best-price route, so an edit with several inputs costs the same as a fresh generation at the same resolution.
Aspect ratio and resolution control
Pick one of eight aspect ratios and a 1K or 2K resolution tier per generation. Every route serves the same moderated Black Forest Labs model, so output is consistent whichever provider wins the run.
Parameters
| Parameter | Type | Description | Default |
|---|---|---|---|
| Prompt* | text | Describe the image to generate, or the edit to apply to the input images. | — |
| Input Images | image upload | Optional reference images to edit or compose from (up to 8). Attaching any switches the run to edit mode. | — |
| Aspect Ratio | select | Aspect ratio of the generated image. Auto lets the model infer framing from your input images where supported.auto · 1:1 · 4:3 · 3:4 · 16:9 · 9:16 · 3:2 · 2:3 | 1:1 |
| Resolution | select | Output resolution tier. 1K is about 1 megapixel, 2K about 4 megapixels.1K · 2K | 1K |
Pricing
From $0.025 per image
Pay per generation — only pay for what you use.
1K (about 1 MP)
$0.025
per image
2K (about 4 MP)
$0.035
per image
What a video costs
| Duration | 1K | 2K |
|---|---|---|
| 1 image | $0.025 | $0.035 |
| 10 images | $0.25 | $0.35 |
| 40 images | $1.00 | $1.40 |
Use cases
Marketing & ads
- Campaign key visuals
- Ad creative at predictable cost
- Landing page hero images
- Brand imagery batches
E-commerce
- Product scene generation
- Photo restyling via edit mode
- Listing visuals
- Seasonal campaign variants
Editorial & publishing
- Article hero images
- Magazine-style illustrations
- Cover concepts
- Photo-real editorial scenes
Design workflows
- Client presentation visuals
- Style frames
- Reference image editing
- Portrait and landscape ratios per layout
Frequently asked questions
What is Flux 2 Pro?+
Flux 2 Pro is the professional tier of Black Forest Labs' Flux 2 image model family. It generates images from text and edits images when you attach references, from $0.025 per image. On Scenetra it runs as a node in the visual workflow editor alongside every other model.
How much does Flux 2 Pro cost?+
$0.025 per 1K image and $0.035 per 2K image on Scenetra, with reference images free. Each run is routed to the cheapest provider that supports your settings, so that is roughly 40 1K images per dollar, paid per generation from your credit balance.
Is Flux 2 Pro good?+
It's one of the strongest general-purpose image models available: photoreal output, dependable prompt adherence, and solid text rendering, at a price well below most flagship models. For the absolute top of the Flux line, Flux 2 Max produces the family's best quality at a higher price — on Scenetra you can run both side by side and judge on your own prompts.
What's the difference between Flux 2 Pro and Flux 2 Max?+
Max is the flagship: highest output quality in the family, resolutions up to 4 MP, and editing with up to 8 reference images — at a higher per-image price. Pro is the workhorse from $0.025 with 1K and 2K tiers and automatic edit mode. A common Scenetra workflow is iterating on Pro and re-running the final prompt on Max.
Can I try Flux 2 Pro for free?+
Flux 2 Pro is a paid model: on Scenetra it costs $0.025 per 1K image, paid per image from your credit balance with no subscription required. Scenetra is web-based, so it works anywhere.
Can Flux 2 Pro edit my images?+
Yes. Attach one or more reference images and the node automatically switches to editing mode, applying your prompt to the inputs. Reference images are free on the best-price route, so an edit costs the same as a generation at the same resolution and revision rounds stay cheap and predictable.
Related models
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