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Black Forest Labs (Flux) API
Black Forest Labs’ Flux image models on Api.Airforce — fast, high-fidelity text-to-image generation through one unified API key.
3 models3 free at $0OpenAI- & Anthropic-compatiblePay-as-you-go
| Model | Tier | Context | Price in / out (1M) | |
|---|---|---|---|---|
| Flux 2 Dev | Free | — | Free | View |
| Flux 2 Klein 4b | Free | — | Free | View |
| Flux 2 Klein 9b | Free | — | Free | View |
Frequently asked questions
- How do I use Black Forest Labs (Flux) models through Api.Airforce?
- Point any OpenAI-compatible client at https://api.airforce/v1 and call the Black Forest Labs (Flux) models through the matching endpoint (image, audio or video) with the same API key — see each model’s page for the exact request shape.
- Are any Black Forest Labs (Flux) models free?
- Yes — 3 of the 3 Black Forest Labs (Flux) models are on the free tier and callable at $0 (for example Flux 2 Dev, Flux 2 Klein 4b, Flux 2 Klein 9b). A free account needs no credit card; the remaining models are pay-as-you-go.
- How much do Black Forest Labs (Flux) models cost on Api.Airforce?
- Billing is pay-as-you-go, metered per the model’s unit (per image, per minute or per generation). The exact price is on each model’s page, priced below the official rates.
- Which Black Forest Labs (Flux) models are available?
- Currently 3 Black Forest Labs (Flux) models, including Flux 2 Dev, Flux 2 Klein 4b, Flux 2 Klein 9b. The catalog is refreshed as new models launch, so the list above is always current.