Black Forest Labs (FLUX)

Open-weight image models + API

Free tier + paidAI media generationbfl.ai

What it is

The FLUX family from the ex-Stable Diffusion team. FLUX.2 ships as klein, dev, pro, flex and max; FLUX 3 landed 26 July 2026 as one multimodal model doing image, 20-second video with native audio, and robot action prediction, still in gated early access.

Why it earns a slot

The pragmatic pick when image generation lives inside your own product: cheap per-image API, plus dev and klein open weights you can run on your own GPUs with no per-call fee. Kontext remains the best instruction-based image editor.

Know before you commit

Open weights are not an open licence - dev and klein are non-commercial unless you buy a BFL commercial self-hosting licence. FLUX 3 access is staged and gated: video first, image later, open weights last.

Getting started

Direct REST API at api.bfl.ai, plus resale through fal, Replicate and Together.

Field notes

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Field check

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Pricing snapshot

API per image: FLUX.2 klein from $0.014, pro from $0.03, flex $0.05, max $0.07. Kontext pro $0.04, max $0.08. Open weights free to self-host.

Snapshots move fast — verify at checkout, and post a field note if it changed.

Drop into your Lovable chat

Evaluate Black Forest Labs (FLUX) (https://bfl.ai) for this project, then use it only if it fits what we are already building.
Context: Open-weight image models + API. The FLUX family from the ex-Stable Diffusion team. FLUX.2 ships as klein, dev, pro, flex and max; FLUX 3 landed 26 July 2026 as one multimodal model doing image, 20-second video with native audio, and robot action prediction, still in gated early access.
Reviewer notes (general, not written for this codebase): The pragmatic pick when image generation lives inside your own product: cheap per-image API, plus dev and klein open weights you can run on your own GPUs with no per-call fee. Kontext remains the best instruction-based image editor.
Watch out for: Open weights are not an open licence - dev and klein are non-commercial unless you buy a BFL commercial self-hosting licence. FLUX 3 access is staged and gated: video first, image later, open weights last.
Pricing: API per image: FLUX.2 klein from $0.014, pro from $0.03, flex $0.05, max $0.07. Kontext pro $0.04, max $0.08. Open weights free to self-host.
Setup: Direct REST API at api.bfl.ai, plus resale through fal, Replicate and Together.
Rules: treat the notes above as background only. Do not assume a theme, style, layout or feature that is not already in this project — inspect the existing code first and ask me before changing visual direction.

/api/public/tools/black-forest-labs

Neighbourhood

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