flux-2-klein-4bFLUX.2 Klein 4B by Black Forest Labs — fast, crisp, photoreal image generation that returns in roughly 1-2 seconds. One model name covers text-to-image and image-to-image with up to 3 reference images (each auto-compressed to ~1MP). Output is fixed at about 2MP with 12 aspect ratios, including match_input_image to follow your reference's ratio, and jpg / png / webp output formats. Pricing is flat: $0.006 per image plus $0.0015 per reference image — one of the cheapest photoreal channels on the platform. Synchronous-style flow on the unified image endpoint; failed calls are never billed.
Generated image will appear here
Enter a prompt and click Generate
Near-instant turnaround for drafts and batches
Flat price, +$0.0015 per reference image
Image-to-image with match_input_image ratio
jpg / png / webp output
FLUX.2 Klein 4B is a Image Generation API provided by APIMODELS. FLUX.2 Klein 4B by Black Forest Labs — fast, crisp, photoreal image generation that returns in roughly 1-2 seconds. One model name covers text-to-image and image-to-image with up to 3 reference images (each auto-compressed to ~1MP). Output is fixed at about 2MP with 12 aspect ratios, including match_input_image to follow your reference's ratio, and jpg / png / webp output formats. Pricing is flat: $0.006 per image plus $0.0015 per reference image — one of the cheapest photoreal channels on the platform. Synchronous-style flow on the unified image endpoint; failed calls are never billed. Through APIMODELS platform, you can access this model via a unified API with transparent pay-as-you-go pricing. Current pricing: per image: $0.006.
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Design posters, banners, and promotional graphics at a fraction of traditional design costs.
FLUX.2 Klein 4B is available through APIMODELS at: per image: $0.006. Billing is pay-as-you-go — you only pay for what you generate.
Sign up at APIMODELS, get your API key, and call our unified API endpoint. We provide detailed API documentation with code examples in cURL, Python, and Node.js.
APIMODELS offers the same FLUX.2 Klein 4B model through our aggregation platform. We provide a unified API interface so you do not need separate accounts for each provider - one API key to access all models.
On APIMODELS, FLUX.2 Klein 4B runs alongside 60+ models on one API key and one balance, so choosing is about fit, not lock-in. It supports Text to Image, Image Editing, Up to 3 References, Fast · 1-2s, $0.006/image, and you can weigh it on price and capability against other Image Generation models, then switch by changing a single model-name string — no new account or integration. Browse every Image Generation option with live pricing at apimodels.app/models.
FLUX.2 Klein 4B supports: Text to Image, Image Editing, Up to 3 References, Fast · 1-2s, $0.006/image. See the APIMODELS docs for full parameters and call examples.
Yes. APIMODELS exposes FLUX.2 Klein 4B through a single unified API and one key — no separate provider accounts, and no need to handle each provider's regional network access yourself.
We support Stripe (Visa, Mastercard, and other international cards) and Alipay. Credits are available instantly after payment.
Prompts shared by their authors — copy and adapt them. Each one credits its author and links back to the original post.
Weathered sailor on a fishing boat
Create a photorealistic candid photograph of an elderly sailor standing on a small fishing boat. He has weathered skin with visible wrinkles, pores, and sun texture, and a few faded traditional sailor tattoos on his arms. He is calmly adjusting a net while his dog sits nearby on the deck. Shot like a 35mm film photograph, medium close-up at eye level, using a 50mm lens. Soft coastal daylight, shallow depth of field, subtle film grain, natural color balance. The image should feel honest and unposed, with real skin texture, worn materials, and everyday detail. No glamorization, no heavy retouching.
by OpenAI
Automatic coffee machine workflow infographic
Create a detailed Infographic of the functioning and flow of an automatic coffee machine like a Jura. From bean basket, to grinding, to scale, water tank, boiler, etc. I'd like to understand technically and visually the flow.
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Thread streetwear ad with exact typography
Give me a cool in culture ad / fashion shot for a brand called Thread. It's a hip young street brand. The ad shows a group of friends hanging out together with the tagline "Yours to Create." Make it feel like a polished campaign image for a youth streetwear audience: stylish, contemporary, energetic, and tasteful. Use clean composition, strong color direction, natural poses, and premium fashion photography cues. Render the tagline exactly once, clearly and legibly, integrated into the ad layout. No extra text, no watermarks, no unrelated logos.
by OpenAI
We curate copy-ready prompt libraries — every entry shows its full text and a sample result, ready to adapt.
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