---
description: FLUX.2 [klein] is an ultra-fast, distilled image model. It unifies image generation and editing in a single model, delivering state-of-the-art quality enabling interactive workflows, real-time previews, and latency-critical applications.
title: flux-2-klein-4b
image: https://developers.cloudflare.com/og-docs.png
---

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# flux-2-klein-4b

Text-to-Image • Black Forest Labs

Copy as Markdown| [View as Markdown](https://developers.cloudflare.com/ai/models/%40cf/black-forest-labs/flux-2-klein-4b/index.md)| [Agent setup](https://developers.cloudflare.com/agent-setup/)

`@cf/black-forest-labs/flux-2-klein-4b`

- Cloudflare-hosted
- Partner

FLUX.2 \[klein] is an ultra-fast, distilled image model. It unifies image generation and editing in a single model, delivering state-of-the-art quality enabling interactive workflows, real-time previews, and latency-critical applications.

| Model Info | |
| --- | --- |
| Terms and License | [link ↗](https://bfl.ai/legal/terms-of-service) |
| Partner | Yes |

## Parameters

▶multipart{}

`object`required

image

`string`Generated image as Base64 string.

## API Schemas (Raw)

Input [Open](https://developers.cloudflare.com/ai/models/@cf/black-forest-labs/flux-2-klein-4b/schema-input.json) [Download](https://developers.cloudflare.com/ai/models/@cf/black-forest-labs/flux-2-klein-4b/schema-input.json)

Output [Open](https://developers.cloudflare.com/ai/models/@cf/black-forest-labs/flux-2-klein-4b/schema-output.json) [Download](https://developers.cloudflare.com/ai/models/@cf/black-forest-labs/flux-2-klein-4b/schema-output.json)

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