# Flux2 Klein AI

> flux2klein.ai provides browser access to Flux 2 klein, a fast AI image generation model family from Black Forest Labs with 4B and 9B variants. It supports text-to-image and image editing in one model. Generation uses credits.

flux2klein.ai operates as an independent service offering convenient access to Flux 2 klein generation. "klein" is a trademark of Black Forest Labs; this site is not affiliated with Black Forest Labs.

## What this site is

flux2klein.ai provides browser access to Flux 2 klein, a fast AI image generation model family from Black Forest Labs with 4B and 9B variants. It supports text-to-image and image editing in one model. Generation uses credits.

## Key facts

- Flux 2 klein is described on the site as a Black Forest Labs image model designed for sub-second inference, offered here in 4B and 9B variants.
- The site states the 4B variant is the open-source Apache 2.0 release, while 9B is the higher-quality tier.
- The model combines text-to-image generation and image editing in a single architecture.
- Per the site FAQ, credit costs are 2 credits for 4B text-to-image, 4 credits for 9B text-to-image, 4 credits for 4B edit, and 6 credits for 9B edit.
- Support: support@flux2klein.ai

## Product

- [Home](https://flux2klein.ai/)
- [Image generator](https://flux2klein.ai/dashboard/ai-image): sign-in required
- [Generator workspace](https://flux2klein.ai/dashboard/tenant/generate): sign-in required
- [Blog](https://flux2klein.ai/blog)

## Legal

- [Pricing](https://flux2klein.ai/pricing)
- [Privacy Policy](https://flux2klein.ai/privacy)
- [Terms of Service](https://flux2klein.ai/terms)
- [Content Safety Policy](https://flux2klein.ai/content-policy)

## Pricing

Current plans, credit packs, and per-generation credit costs are listed at https://flux2klein.ai/pricing. Check that page for exact numbers; this file does not list prices.

- 4B text-to-image: 2 credits. 9B text-to-image: 4 credits. 4B edit: 4 credits. 9B edit: 6 credits (per the site FAQ).

- [Pricing](https://flux2klein.ai/pricing)

## Frequently asked questions

### What is Flux 2 klein?

Per the site, Flux 2 klein is a fast AI image generation model from Black Forest Labs designed for sub-second inference, offered on this site in 4B and 9B variants.

### What is the difference between the 4B and 9B variants?

The site describes 9B as the flagship quality tier and 4B as the faster, open-source Apache 2.0 variant that can run on consumer GPUs.

### Does it support image editing?

Yes. The model combines text-to-image generation and image editing in a single architecture.

### How many credits does generation cost?

Per the site FAQ: 4B text-to-image costs 2 credits, 9B text-to-image costs 4 credits, 4B edit costs 4 credits, and 9B edit costs 6 credits.

### Can outputs be used commercially?

The site notes the 4B model is released under Apache 2.0, which permits commercial use subject to the license; site terms also apply.

### Is this site affiliated with Black Forest Labs?

No. The site states it operates independently; "klein" is a trademark of Black Forest Labs.

Languages: English has no URL prefix. Other locales use `/zh`, `/ru`, `/de`, `/fr`, `/ja`, `/ko`, `/es`, `/pt`, `/tr`.