FLUX 3 Image Klein
by Black Forest Labsblack-forest-labs/flux-3-image-klein
LLMCompare cannot run FLUX 3 Image Klein yet.No route to this model is configured on this site yet. Its prices and parameters are listed below for reference.
See the models that can be run nowFLUX 3 Image Klein at a glance
- Maximum output
- 42,177 tokens
- Accepts
- Text, Image
- Returns
- Image
- Features
- Image input
- Released
- 15 Oct 2026
- Knowledge cutoff
- Not published
Model facts synced from the OpenRouter model list on 21 Oct 2026.
FLUX 3 Image Klein pricing by route
A route is the service LLMCompare calls to reach the model. FLUX 3 Image Klein has 1 route. Prices are in US dollars.
| Route | On LLMCompare | Image outputper 1M image tokens | Price verified on | Source |
|---|---|---|---|---|
| OpenRouterDefault | Not configured | $1.92 | openrouter.ai/black-forest-labs/flux-3-image-klein |
The cost shown in an LLMCompare report is calculated from these prices as they were at the time of the run.
Cost calculator
Estimate what a batch of calls to FLUX 3 Image Klein costs. The starting numbers are examples. Change them to match your task.
The provider reports this number for each image. It depends on size and quality.
- Cost per call
- $0.0019
- 3 credits
- Cost of 10 calls
- $0.0192
- 30 credits
Calculated from the OpenRouter prices verified on 21 Oct 2026. Credits are the cost plus a 20% service fee, at $0.001 per credit, rounded up for each call, with a minimum of 1 per call. A real run is charged for the usage the provider reports.
Parameters you can set
These are the parameters LLMCompare can set when it calls the model through OpenRouter.
| Parameter | Type | Range or options | Default |
|---|---|---|---|
size | One of | 1024x10241536x10241024x15362048x2048 | Provider default |
aspect_ratio | One of | 1:13:22:34:33:416:99:16 | Provider default |
About FLUX 3 Image Klein
FLUX 3 Image Klein is an open-weights image generation and editing model from Black Forest Labs. It is suited for text-to-image, multi-reference editing that keeps characters and subjects consistent across...
Description as published for this model. LLMCompare has not edited it.
Models to compare with FLUX 3 Image Klein
Image models from the same provider and models at the nearest price. The order is not a ranking.
| Add to comparison | Model | Input priceper 1M tokens | Image priceunit under each price | Accepts | Released | On LLMCompare |
|---|---|---|---|---|---|---|
FLUX.2 Klein 4BBlack Forest Labsblack-forest-labs/flux.2-klein-4b | — | $3.42per 1M image tokens | Text, Image | No route yet | ||
FLUX.2 ProBlack Forest Labsblack-forest-labs/flux.2-pro | — | $7.32per 1M image tokens | Text, Image | No route yet | ||
FLUX 3 ImageBlack Forest Labsblack-forest-labs/flux-3-image | — | $9.82per 1M image tokens | Text, Image | No route yet | ||
Recraft V4.1 FlashRecraftrecraft/recraft-v4.1-flash | — | $1.68per 1M image tokens | Text | No route yet | ||
Hy Image 3.5 PreviewTencenttencent/hy-image-v3.5-preview | — | $1.60per 1M image tokens | Text, Image | No route yet | ||
Muse ImageMetameta/muse-image | — | $2.40per 1M image tokens | Text, Image | No route yet |
Questions about FLUX 3 Image Klein
- How much does FLUX 3 Image Klein cost?
- On the OpenRouter route, FLUX 3 Image Klein costs $1.92 per 1M image tokens, in US dollars. LLMCompare verified this price on 21 Oct 2026.
- What inputs does FLUX 3 Image Klein accept?
- FLUX 3 Image Klein accepts these inputs: Text, Image. FLUX 3 Image Klein returns: Image.
- Can I test FLUX 3 Image Klein on my own data?
- Not yet. LLMCompare lists the prices and parameters of FLUX 3 Image Klein, but no route to FLUX 3 Image Klein is configured on LLMCompare, so it cannot be selected for an evaluation.