FLUX 3 Klein Text to Image API API Pricing
Generate 1K, 2K, and 4K images with the FLUX 3 Klein API. Set aspect ratio, output format, prompt enhancement, seed, and image count from one endpoint.
About FLUX 3 Klein Text to Image API
The FLUX 3 Klein text-to-image API turns a prompt into one to four images through an asynchronous REST endpoint. Choose 1K, 2K, or 4K output, nine aspect ratios, PNG/JPEG/WebP, and optional prompt enhancement or a seed. It is a simple route for product visuals, concept art, campaign assets, and rapid creative iteration. Compare the wider [FLUX Klein API](/flux-klein) lineup with the FLUX.2 models on [FLUX.2](/flux-2) and other FLUX 3 capabilities on [FLUX 3](/flux-3).
Interactive Savings Calculator
Estimate monthly API spend and compare absolute developer savings.
$90.00
$0.009 / $0.014 / $0.036 per image (1K / 2K / 4K)$90.00
$0.009 / $0.014 / $0.036 per image (1K / 2K / 4K)Detailed Pricing Breakdown
| Provider | Estimated Rate | Notes |
|---|---|---|
| muapiapp | $0.009 / $0.014 / $0.036 per image (1K / 2K / 4K) | One asynchronous endpoint; total scales with num_images. |
| Fal.ai | $0.009 / $0.014 / $0.036 per image (1K / 2K / 4K) | Matches the planned pricing schedule shown in the supplied reference screenshot. |
| Replicate | Not compared | No current like-for-like public rate was verified for this page. |
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