FLUX.2 [klein] 4B is the quickest and most budget-friendly model in the FLUX.2 family, designed for high-throughput workloads while still delivering excellent image quality.
$0.007
Share of requests served without a server error. Client errors (4xx) do not count.
Works with the OpenAI SDK pointed at our base URL. Every parameter is in the API reference.
Images generated per day on NagaAI, counted since November 2026.
FLUX.2 [klein] 4B is the quickest and most budget-friendly model in the FLUX.2 family, designed for high-throughput workloads while still delivering excellent image quality.
On NagaAI, Flux 2 Klein 4B costs about $0.007 per image. You pay only for what you use, with no subscription.
It takes text and images as input and returns images.
Create an API key, copy the model ID from the top of this page and send requests with the OpenAI SDK pointed at NagaAI. The API section on this page has a ready example.