Generates images from text prompts with FLUX.3 Klein, with configurable image size, reproducible seeds, prompt expansion and optional bounding-box layout control.

blackforestlabs/flux-3/klein/text-to-image

Generates images from text prompts with FLUX.3 Klein, with configurable image size, reproducible seeds, prompt expansion and optional bounding-box layout control.

Inference

Commercial use

Schema

LLMs

Playground API Examples

Input

Prompt*

Additional Settings

Customize your input with more control.

Result

Idle

What would you like to do next?

blackforestlabs/flux-3/klein/text-to-image

Schema

Input

Prompt*

Additional Settings

Customize your input with more control.

Result

Idle

What would you like to do next?

FLUX.3 Klein (Text to Image) API on fal

Input

Prompt*

A flat front-facing finished art exhibition poster on warm ivory paper, all edges inside the frame. At lower right, a sculptural transparent cobalt glass arch beside a tangerine sphere with crisp shadows. Bold expressive typographic layout fills most of the page. Giant dramatic condensed high-contrast serif title in navy and vermilion reads "FORM & FEELING". Below, a flowing hand-lettered coral script reads "New ways of seeing". A clean aligned column in large readable type contains exactly these six lines: "DESIGN EXHIBITION", "12-28 NOVEMBER 2026", "THE GLASS HOUSE", "Objects, spaces and stories", "OPEN DAILY 10:00-19:00", "TICKETS AT THE DOOR". Footer line in clearly readable type: "CURATED BY STUDIO COMMON". Each listed phrase appears once. Only these exact words, no extra text, no tiny filler lettering. Deliberate asymmetric Swiss editorial grid, confident color, sculptural still life, expressive font contrast, refined art book design.

Image Size

Locked: editing one side keeps the current ratio. Tap the lock to free it.

Layout (optional)

Place objects by drawing regions on the output canvas.

Additional Settings

Customize your input with more control.

Planned pricing per output image is $0.008 at 768 × 768, $0.009 at 1K, $0.011 at 1.5K, $0.014 at 2K, and $0.036 at 4K. The same planned rates apply to generation and editing; for example, 10 images at 1K would cost $0.09. Final pricing is not yet confirmed.

Result

Idle

What would you like to do next?

Download

{
  "images": [
    {
      "url": "https://v3b.fal.media/files/b/0aae6150/ZwZjl2J-ZbJea7PYUm__a_JQ6w8q8C.png",
      "content_type": "image/png",
      "file_name": "ZwZjl2J-ZbJea7PYUm__a_JQ6w8q8C.png",
      "file_size": null,
      "width": 1024,
      "height": 1360
    }
  ],
  "timings": {
    "prompt_expansion": 0.0000069490051828324795,
    "inference": 0.7128876699862303,
    "safety_checker": 0.024630615997011773
  },
  "seed": 20261015,
  "has_nsfw_concepts": [
    false
  ],
  "prompt": "A flat front-facing finished art exhibition poster on warm ivory paper, all edges inside the frame. At lower right, a sculptural transparent cobalt glass arch beside a tangerine sphere with crisp shadows. Bold expressive typographic layout fills most of the page. Giant dramatic condensed high-contrast serif title in navy and vermilion reads \"FORM & FEELING\". Below, a flowing hand-lettered coral script reads \"New ways of seeing\". A clean aligned column in large readable type contains exactly these six lines: \"DESIGN EXHIBITION\", \"12-28 NOVEMBER 2026\", \"THE GLASS HOUSE\", \"Objects, spaces and stories\", \"OPEN DAILY 10:00-19:00\", \"TICKETS AT THE DOOR\". Footer line in clearly readable type: \"CURATED BY STUDIO COMMON\". Each listed phrase appears once. Only these exact words, no extra text, no tiny filler lettering. Deliberate asymmetric Swiss editorial grid, confident color, sculptural still life, expressive font contrast, refined art book design."
}

Input

Prompt*

Additional Settings

Customize your input with more control.

Result

Idle

What would you like to do next?

Input

Prompt*

Image Size

Locked: editing one side keeps the current ratio. Tap the lock to free it.

Layout (optional)

Place objects by drawing regions on the output canvas.

Additional Settings

Customize your input with more control.

Result

Idle

What would you like to do next?

Download

{
  "images": [
    {
      "url": "https://v3b.fal.media/files/b/0aae6150/ZwZjl2J-ZbJea7PYUm__a_JQ6w8q8C.png",
      "content_type": "image/png",
      "file_name": "ZwZjl2J-ZbJea7PYUm__a_JQ6w8q8C.png",
      "file_size": null,
      "width": 1024,
      "height": 1360
    }
  ],
  "timings": {
    "prompt_expansion": 0.0000069490051828324795,
    "inference": 0.7128876699862303,
    "safety_checker": 0.024630615997011773
  },
  "seed": 20261015,
  "has_nsfw_concepts": [
    false
  ],
  "prompt": "A flat front-facing finished art exhibition poster on warm ivory paper, all edges inside the frame. At lower right, a sculptural transparent cobalt glass arch beside a tangerine sphere with crisp shadows. Bold expressive typographic layout fills most of the page. Giant dramatic condensed high-contrast serif title in navy and vermilion reads \"FORM & FEELING\". Below, a flowing hand-lettered coral script reads \"New ways of seeing\". A clean aligned column in large readable type contains exactly these six lines: \"DESIGN EXHIBITION\", \"12-28 NOVEMBER 2026\", \"THE GLASS HOUSE\", \"Objects, spaces and stories\", \"OPEN DAILY 10:00-19:00\", \"TICKETS AT THE DOOR\". Footer line in clearly readable type: \"CURATED BY STUDIO COMMON\". Each listed phrase appears once. Only these exact words, no extra text, no tiny filler lettering. Deliberate asymmetric Swiss editorial grid, confident color, sculptural still life, expressive font contrast, refined art book design."
}