bfl/flux-2/max
Flux 2 Max by BFL - generate stunning images from text prompts with state-of-the-art AI. Supports multiple aspect ratios, styles, and high-resolution output for creative and commercial use.
Example output — click Run to generate your own
Send your first request
OpenAI-compatible endpoint with unified authentication and usage tracking.
https://api.sandbase.ai/v1/runbfl/flux-2/maxInput Schema
4 parameters · 1 required · 3 optional
| Parameter | Type | Required | Description |
|---|---|---|---|
prompt | string | Required | The prompt to generate an image from. |
seed | integer | Optional | The seed to use for the generation. |
aspect_ratio | string | Optional | The aspect ratio of the generated image. · Options: 21:9, 16:9, 3:2, 4:3, 5:4, 1:1, 4:5, 3:4, 2:3, 9:16 · Default: "16:9" 21:916:93:24:35:41:14:53:42:39:16 |
output_format | string | Optional | The format of the generated image. · Options: jpeg, png · Default: "jpeg" jpegpng |
Output Schema
| Field | Type | Description |
|---|---|---|
id | string | Unique identifier for the generation task |
status | string | Task status: pending, running, completed, failed, timeout |
model | string | Model used for the generation |
outputs | array | Array of output items |
outputs[].url | string | URL of the generated artifact |
outputs[].content_type | string | MIME type (e.g. image/png, video/mp4) |
error | object | null | Error details if failed, null on success |
error.type | string | Machine-readable error type code |
error.message | string | Human-readable error description |
Async Workflow
This model uses asynchronous execution. Submit a request and poll for the result.
- Submit — POST to /v1/run, receive an
id - Poll — GET /v1/run/{id} until status is
completed,failed, ortimeout - Retrieve — Read
outputsfrom the completed response
Code Examples
Ready-to-run snippets
# Step 1: Submit
curl -X POST https://api.sandbase.ai/v1/run \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_API_KEY" \
-d '{
"model": "bfl/flux-2/max",
"prompt": "A lavish, baroque-style image of a powerful sorceress in her arcane study. She is dressed in robes of deep emerald velvet embroidered with gold thread and shimmering beetle wings, holding a staff topped with a glowing, swirling galaxy trapped in a crystal orb.She stands before a massive oak desk covered in open grimoires with illuminated pages showing alchemical diagrams, bubbling potions in glass alembics, and a sleeping pseudodragon curled around a stack of scrolls. The room is filled with curiosities: shelves of leather-bound books, celestial globes, and dried magical herbs hanging from the ceiling. The lighting is chiaroscuro, from a large fireplace with green flames and a magical candelabra floating in mid-air. The brushwork is visible and textured, with rich, deep colors. The style is reminiscent of Rembrandt meets classic fantasy art. The words 'Flux 2 Max is available on fal' are written in elegant cursive font on the top of the image.",
"aspect_ratio": "16:9",
"output_format": "jpeg"
}'
# Step 2: Poll result (replace <id>)
curl https://api.sandbase.ai/v1/run/<id> \
-H "Authorization: Bearer YOUR_API_KEY"API README
Flux 2 Max
Flux 2 Max belongs at the top-tier general visual creation stage of a visual workflow. Rather than treating the model as an isolated demonstration, teams can place it inside briefing, review, selection, and handoff practices where this selection is justified when broad world knowledge and careful interpretation matter more than minimizing the price of each candidate. This positioning clarifies why the model earns a place in a real creative pipeline and what kind of decision it helps people make.
A practical use of Flux 2 Max is flagship marketing, complex visual explanations, culturally specific scenes, and high-visibility material that receives close stakeholder review. Begin by agreeing on the creative objective and review criteria, prepare only the source material needed for that objective, and compare results against audience, brand, editorial, and production needs. Technical request choices remain documented below so the prose can stay focused on planning and creative value.
Highlights
Complex prompt understanding. Connects multiple subjects, relationships, lighting, typography, and style within one composition.
High-fidelity rendering. Resolves people, objects, materials, and environmental detail with a polished finish.
Reliable text integration. Places legible wording into posters, signs, packaging, and graphic layouts.
Broad aesthetic coverage. Handles realistic photography, illustration, design, and stylized imagery without one fixed look. The Max edition emphasizes the family's highest visual fidelity, typography, prompt accuracy, and edit preservation.
Pricing
| Billing unit | Price |
|---|---|
| Per request | $0.07 |
When to Use
| ✅ Good fit | ❌ Consider alternatives |
|---|---|
| The model's named workflow matches the source material and intended output | A different input modality or model route is required |
| A managed asynchronous result is suitable for the production pipeline | A synchronous, interactive editor is essential |
| The documented controls cover the required duration, framing, or format | The project needs controls outside this endpoint's schema |
| Creative iteration benefits from a repeatable request structure | Exact deterministic pixels, frames, geometry, or samples are mandatory |
| A finished downloadable media asset is the desired deliverable | Editable source layers or a native project file are required |
Prompt Guide
For generation, state the intended result first, then add the subject or source treatment, progression, style, and delivery constraints. Keep one creative variable per phrase, use the documented field names for controls, and change one setting at a time when comparing results.
{
"aspect_ratio": "16:9",
"output_format": "jpeg",
"prompt": "A lavish, baroque-style image of a powerful sorceress in her arcane study. She is dressed in robes of deep emerald velvet embroidered with gold thread and shimmering beetle wings, holding a staff topped with a glowing, swirling galaxy trapped in a crystal orb.She stands before a massive oak desk covered in open grimoires with illuminated pages showing alchemical diagrams, bubbling potions in glass alembics, and a sleeping pseudodragon curled around a stack of scrolls. The room is filled with curiosities: shelves of leather-bound books, celestial globes, and dried magical herbs hanging from the ceiling. The lighting is chiaroscuro, from a large fireplace with green flames and a magical candelabra floating in mid-air. The brushwork is visible and textured, with rich, deep colors. The style is reminiscent of Rembrandt meets classic fantasy art. The words 'Flux 2 Max is available on fal' are written in elegant cursive font on the top of the image."
}
Technical Specs
| Spec | Value |
|---|---|
| Model ID | bfl/flux-2/max |
| Inputs | aspect_ratio, output_format, prompt, seed |
| Required inputs | prompt |
| Output fields | content_type, url |
| Execution | Async (submit, then poll for result) |
| Aspect Ratio | 21:9 / 16:9 / 3:2 / 4:3 / 5:4 / 1:1 / 4:5 / 3:4 / 2:3 / 9:16 |
| Output Format | jpeg / png |
Related Models
bfl/flux-2/max/edit— Compare this concrete local family route.bfl/flux-2/dev— Compare this concrete local family route.bfl/flux-2/dev/edit— Compare this concrete local family route.