Black Forest Labs models API
Call 21 Black Forest Labs models through one PopNow API key: FLUX.2 Max, FLUX 3 Klein Base LoRA, and FLUX 3 Klein Base. Prices start at $0.006 per image. Many are up to 33% below Black Forest Labs's own list price.
- models
- 21
- endpoints
- 42
- starting price, per image
- $0.006
- max saving vs list price
- 33%
Black Forest Labs models
- FLUX.2 Max
black-forest-labs/flux-2-max/text-to-imageTop-tier FLUX: photoreal light and exact brand colorsImageUp to 2KUp to 3 reference images9 aspect ratiosFrom$0.07per image - FLUX 3 Klein Base LoRA
black-forest-labs/flux-3-klein-base-lora/text-to-imageNewFLUX 3 Klein Base that loads your own LoRAsImageUp to 2KUp to 3 reference images15 aspect ratiosFrom$0.042per image - FLUX 3 Klein Base
black-forest-labs/flux-3-klein-base/text-to-imageNewFull-quality FLUX 3 Klein images and edits up to 2KImageUp to 2KUp to 3 reference images15 aspect ratiosFrom$0.036per image - FLUX 3
black-forest-labs/flux-3/text-to-videoVideo with synced sound and a quick draft tierVideoUp to 1080p5–20s clipsSound includedFrom$0.30for a 5-second clip - FLUX.2 Klein 9B LoRA
black-forest-labs/flux-2-klein-9b-lora/text-to-imageFast FLUX.2 Klein 9B that loads up to three of your LoRAsImageUp to 2KUp to 3 reference images9 aspect ratiosFrom$0.018per image - FLUX.2 Klein Base 9B LoRA
black-forest-labs/flux-2-klein-base-9b-lora/text-to-imageUndistilled Klein 9B for varied looks with your LoRAsImageUp to 2KUp to 3 reference images9 aspect ratiosFrom$0.024per image - FLUX.2 Klein 4B LoRA
black-forest-labs/flux-2-klein-4b-lora/text-to-imageSmall, quick FLUX.2 Klein 4B with your own LoRAsImageUp to 2KUp to 3 reference images9 aspect ratiosFrom$0.0156per image - FLUX.2 Klein Base 4B LoRA
black-forest-labs/flux-2-klein-base-4b-lora/text-to-imageUndistilled Klein 4B that loads your own LoRAsImageUp to 2KUp to 3 reference images9 aspect ratiosFrom$0.018per image - FLUX.2 Klein 9B
black-forest-labs/flux-2-klein-9b/text-to-image−26%Fast FLUX edits that keep faces and poses intactImageUp to 2KUp to 3 reference images9 aspect ratiosFrom$0.011$0.015per image - FLUX.2 Klein 4B
black-forest-labs/flux-2-klein-4b/text-to-image−33%The smallest, quickest FLUX for rapid draftsImageUp to 2KUp to 3 reference images9 aspect ratiosFrom$0.0093$0.014per image - FLUX.2 Dev LoRA
black-forest-labs/flux-2-dev-lora/text-to-imageFLUX.2 Dev images and edits with your own LoRAsImageUp to 2KUp to 3 reference images9 aspect ratiosFrom$0.0216per image - FLUX.2 Pro
black-forest-labs/flux-2-pro/text-to-imagePhotoreal images with readable text and hex color controlImageUp to 2KUp to 3 reference images9 aspect ratiosFrom$0.03per image - FLUX.2 Flex
black-forest-labs/flux-2-flex/text-to-imageSpells headlines and labels exactly as writtenImageUp to 2KUp to 3 reference images9 aspect ratiosFrom$0.0578per image - FLUX.2 Dev
black-forest-labs/flux-2-dev/text-to-imageOpen-weights FLUX that can merge people into one sceneImageUp to 2KUp to 3 reference images9 aspect ratiosFrom$0.0116per image - FLUX.1 Krea Dev LoRA
black-forest-labs/flux-1-krea-dev-lora/text-to-imagePhotographic FLUX.1 Krea with your own LoRAsImageUp to 1.5K9 aspect ratiosLoads your own LoRAFrom$0.024per image - FLUX.1 Dev ControlNet LoRA
black-forest-labs/flux-1-dev-controlnet-lora/text-to-imagePose, depth or edge control on FLUX.1 with your LoRAsImageUp to 1.5KUp to 4 per runLoads your own LoRAFrom$0.036per image - FLUX.1 Fill Dev LoRA
black-forest-labs/flux-1-fill-dev-lora/editMasked inpainting on FLUX.1 Fill with your own LoRAsImageUp to 1.5KUp to 4 per runLoads your own LoRAFrom$0.042per image - FLUX.1 Dev LoRA
black-forest-labs/flux-1-dev-lora/text-to-imageClassic FLUX.1 Dev with up to three of your LoRAsImage9 aspect ratiosLoads your own LoRAFrom$0.018per image - FLUX.1 Schnell LoRA
black-forest-labs/flux-1-schnell-lora/text-to-imageFast FLUX.1 Schnell that loads your own LoRAsImageUp to 1.5K9 aspect ratiosLoads your own LoRAFrom$0.006per image - FLUX 3 Klein
black-forest-labs/flux-3-klein/text-to-imageNewFast FLUX 3 Klein images and multi-reference edits at 1K or 2KImageUp to 2KUp to 10 reference images16 aspect ratiosFrom$0.012per image - FLUX 3 Klein LoRA
black-forest-labs/flux-3-klein-lora/text-to-imageNewFLUX 3 Klein images and edits with up to three of your LoRAsImageUp to 2KUp to 3 reference images15 aspect ratiosFrom$0.018per image
Black Forest Labs API prices
See pricing| Model | Best for | List price | PopNow price | You save |
|---|---|---|---|---|
FLUX.2 Maxblack-forest-labs/flux-2-max/text-to-image | Create Image · Edit Image | — | $0.07per image | |
FLUX 3 Klein Base LoRAblack-forest-labs/flux-3-klein-base-lora/text-to-image | Create Image · Edit Image | — | $0.042per image | |
FLUX 3 Klein Baseblack-forest-labs/flux-3-klein-base/text-to-image | Create Image · Edit Image | — | $0.036per image | |
FLUX 3black-forest-labs/flux-3/text-to-video | Create Video · Image to Video · Extend Video · Upscale Video | — | $0.30for a 5-second clip | |
FLUX.2 Klein 9B LoRAblack-forest-labs/flux-2-klein-9b-lora/text-to-image | Create Image · Edit Image | — | $0.018per image | |
FLUX.2 Klein Base 9B LoRAblack-forest-labs/flux-2-klein-base-9b-lora/text-to-image | Create Image · Edit Image | — | $0.024per image | |
FLUX.2 Klein 4B LoRAblack-forest-labs/flux-2-klein-4b-lora/text-to-image | Create Image · Edit Image | — | $0.0156per image | |
FLUX.2 Klein Base 4B LoRAblack-forest-labs/flux-2-klein-base-4b-lora/text-to-image | Create Image · Edit Image | — | $0.018per image | |
FLUX.2 Klein 9Bblack-forest-labs/flux-2-klein-9b/text-to-image | Create Image · Edit Image | $0.011per image | −26% | |
FLUX.2 Klein 4Bblack-forest-labs/flux-2-klein-4b/text-to-image | Create Image · Edit Image | $0.0093per image | −33% | |
FLUX.2 Dev LoRAblack-forest-labs/flux-2-dev-lora/text-to-image | Create Image · Edit Image | — | $0.0216per image | |
FLUX.2 Problack-forest-labs/flux-2-pro/text-to-image | Create Image · Edit Image | — | $0.03per image | |
FLUX.2 Flexblack-forest-labs/flux-2-flex/text-to-image | Create Image · Edit Image | — | $0.0578per image | |
FLUX.2 Devblack-forest-labs/flux-2-dev/text-to-image | Create Image · Edit Image | — | $0.0116per image | |
FLUX.1 Krea Dev LoRAblack-forest-labs/flux-1-krea-dev-lora/text-to-image | Create Image · Edit Image | — | $0.024per image | |
FLUX.1 Dev ControlNet LoRAblack-forest-labs/flux-1-dev-controlnet-lora/text-to-image | Create Image | — | $0.036per image | |
FLUX.1 Fill Dev LoRAblack-forest-labs/flux-1-fill-dev-lora/edit | Edit Image | — | $0.042per image | |
FLUX.1 Dev LoRAblack-forest-labs/flux-1-dev-lora/text-to-image | Create Image · Edit Image | — | $0.018per image | |
FLUX.1 Schnell LoRAblack-forest-labs/flux-1-schnell-lora/text-to-image | Create Image · Edit Image | — | $0.006per image | |
FLUX 3 Kleinblack-forest-labs/flux-3-klein/text-to-image | Create Image · Edit Image | — | $0.012per image | |
FLUX 3 Klein LoRAblack-forest-labs/flux-3-klein-lora/text-to-image | Create Image · Edit Image | — | $0.018per image |
List prices are each maker's own published price for the same output, checked on Oct 14, 2026. Prices shown are starting prices; open a model for every tier.
Latest Black Forest Labs additions
- FLUX 3 Klein Base LoRAImage · From $0.042 per imageNew
- FLUX 3 Klein BaseImage · From $0.036 per imageNew
- FLUX 3Video · From $0.30 for a 5-second clip
Call a Black Forest Labs model
The same request works for every model: change the model name and its input.
curl -X POST https://api.popnow.ai/api/v1/jobs/createTask \
-H "Authorization: Bearer $POPNOW_API_KEY" \
-H "Content-Type: application/json" \
-H "Idempotency-Key: $(uuidgen)" \
-d '{
"model": "black-forest-labs/flux-2-max/text-to-image",
"input": {
"prompt": "A ceramic teapot on a linen cloth, soft window light, muted palette",
"aspect_ratio": "1:1",
"resolution": "1k"
}
}'import os, uuid, requests
res = requests.post(
"https://api.popnow.ai/api/v1/jobs/createTask",
headers={
"Authorization": f"Bearer {os.environ['POPNOW_API_KEY']}",
"Idempotency-Key": str(uuid.uuid4()),
},
json={
"model": "black-forest-labs/flux-2-max/text-to-image",
"input": {
"prompt": "A ceramic teapot on a linen cloth, soft window light, muted palette",
"aspect_ratio": "1:1",
"resolution": "1k"
}
},
timeout=30,
)
body = res.json()
if body["code"] != 200:
raise RuntimeError(f'{body["code"]} {body["msg"]}')
print(body["data"]["taskId"]) # poll this id, or wait for your callBackUrlconst res = await fetch("https://api.popnow.ai/api/v1/jobs/createTask", {
method: "POST",
headers: {
Authorization: `Bearer ${process.env.POPNOW_API_KEY}`,
"Content-Type": "application/json",
"Idempotency-Key": crypto.randomUUID(),
},
body: JSON.stringify({
"model": "black-forest-labs/flux-2-max/text-to-image",
"input": {
"prompt": "A ceramic teapot on a linen cloth, soft window light, muted palette",
"aspect_ratio": "1:1",
"resolution": "1k"
}
}),
});
const { code, msg, data } = await res.json();
if (code !== 200) throw new Error(`${code} ${msg}`);
console.log(data.taskId); // poll this id, or wait for your callBackUrlFrequently asked questions
How do I call Black Forest Labs models with PopNow?
Create an API key, then send a task with the model name (for example black-forest-labs/flux-2-max/text-to-image) and its input. You get a task ID back and read the result when it is ready, or receive it on your webhook.
How much do Black Forest Labs models cost on PopNow?
Prices start at $0.006 per image. Each model page lists every tier, and you get an exact quote before every run.
Which Black Forest Labs models are available?
FLUX.2 Max, FLUX 3 Klein Base LoRA, FLUX 3 Klein Base, FLUX 3, FLUX.2 Klein 9B LoRA, FLUX.2 Klein Base 9B LoRA, FLUX.2 Klein 4B LoRA, FLUX.2 Klein Base 4B LoRA, FLUX.2 Klein 9B, FLUX.2 Klein 4B, FLUX.2 Dev LoRA, and FLUX.2 Pro. New models are added as they are released; see the changelog.
Other model makers
All model makers- Alibaba40 models−33%Wan 3.0 · Qwen Image 2.1 Pro · Qwen Image 2.1 Turbo · Qwen Image 2.1From $0.01 per image
- ByteDance17 models−30%Seedance 2.5 · Seedream 5.0 Pro · Seed Audio 1.0 · Seedream 5.0 FlashFrom $0.026 per image
- PopNow14 modelsBackground Remover · Image Upscaler · Object Eraser · Video UpscalerFrom $0.0012 per second
- MiniMax10 models−55%MiniMax H3 · MiniMax Speech 2.8 HD · MiniMax Music 3.0 · MiniMax H3 Singularity LoRAFrom $0.042 per image
- Kuaishou8 models−20%Kling 3.0 · Kling O3 · Kling 4.0 · Kling 3.0 TurboFrom $0.175 for a 5-second clip
- Google6 models−20%Nano Banana 2.1 · Nano Banana Pro · Gemini 3.8 Flash TTS · Gemini 3.8 Flash-Lite TTSFrom $0.00021 per second
Start building in minutes
One key for every model, a USD balance you top up when you need to, and an exact price before every run.