Image model
Flux.2 Klein 4B
black-forest-labs/flux.2-klein-4b
black-forest-labs/flux.2-klein-4b is an image generation model from Black Forest Labs you can call on the OceanToken API at $0.014 per megapixel of output, then $0.001 per further megapixel; it supports image input.
At a glance
| Model ID | black-forest-labs/flux.2-klein-4b |
|---|---|
| Type | Image |
| Publisher | Black Forest Labs |
| Output price | $0.014 per megapixel for the first megapixel, then $0.001 per further megapixel |
| Endpoint | /v1/images/generations, /v1/images/edits |
| API shape | OpenAI-compatible |
| In the catalog since | 2026-01-14 |
Call it
Base URL https://api.oceantoken.ai/v1, your OceanToken key as the bearer token, and the model ID above as model. The OpenAI SDKs work unchanged; see your first request.
curl https://api.oceantoken.ai/v1/images/generations \
-H "Authorization: Bearer $OCEANTOKEN_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model": "black-forest-labs/flux.2-klein-4b", "prompt": "A lighthouse at dawn, photographic"}'
Compared with similar models
Image models on OceanToken closest to black-forest-labs/flux.2-klein-4b in price. Every price is what you pay, in US dollars, with no platform fee on top.
| Model | Publisher | Context | Price (per megapixel) |
|---|---|---|---|
| Flux.2 Klein 4B | Black Forest Labs | $0.014 | |
Flux.2 Problack-forest-labs/flux.2-pro | Black Forest Labs | $0.03 | |
Flux.2 Flexblack-forest-labs/flux.2-flex | Black Forest Labs | $0.06 | |
Flux.2 Maxblack-forest-labs/flux.2-max | Black Forest Labs | $0.07 |
More from Black Forest Labs
- FLUX 3 Video
black-forest-labs/flux-3-video - FLUX Video Edit
black-forest-labs/flux-video-edit - FLUX Video Upscale
black-forest-labs/flux-video-upscale - Flux.2 Flex
black-forest-labs/flux.2-flex - Flux.2 Max
black-forest-labs/flux.2-max - Flux.2 Pro
black-forest-labs/flux.2-pro
All Black Forest Labs models on OceanToken
Use it
Create an account All models and prices
Prices and capabilities on this page were read from the live OceanToken catalog on 2026-10-18 (UTC), when the documentation was built. If a price has changed since, the console's Models page shows the current one.