# black-forest-labs/FLUX.2-klein-4B

This model is a 4 billion parameter rectified flow image model that generates images from text descriptions and supports multi reference editing. It unifies text to image and image editing in one architecture and is described as suitable for interactive workflows.

## Cite this

- Page: https://huggingbay.xyz/artifact/hf-model-black-forest-labs-flux-2-klein-4b
- Citation: black-forest-labs/FLUX.2-klein-4B. The Hugging Bay model record. https://huggingbay.xyz/artifact/hf-model-black-forest-labs-flux-2-klein-4b (retrieved 2026-11-14).
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## Facts

- Type: Vision
- Task: image-to-image
- Framework: diffusers
- License: apache-2.0: Permissive open license: commercial use, modification, and redistribution are permitted. (https://huggingface.co/black-forest-labs/FLUX.2-klein-4B/blob/main/LICENSE.md)
- Source: https://huggingface.co/black-forest-labs/FLUX.2-klein-4B
- Hosting: hosted (20 files)
- Files: 20 hosted of 25 listed
- File counts: "listed" is every file in the source repository; only hosted files download from Hugging Bay, and the download plan lists the files it selects for one download, so its count can differ.
- Hosted here: 20 hosted of 25 listed
- Full repo upstream: 23.7 GB
- Recommended file: 7.75 GB · flux-2-klein-4b.safetensors
- Parameters: 4B
- Download: https://huggingbay.xyz/api/artifacts/hf-model-black-forest-labs-flux-2-klein-4b/download-plan (download plan: https://huggingbay.xyz/api/artifacts/hf-model-black-forest-labs-flux-2-klein-4b/download-plan)
- Per-file SHA-256: available for 20 of 20 hosted files via https://huggingbay.xyz/api/artifacts/hf-model-black-forest-labs-flux-2-klein-4b/files?limit=100
- Availability: Ready
- Downloadable: yes
- Run-ready: no (Hugging Bay has not certified a run path for this model; hosted bytes are downloadable and hash-checkable only)
- Peer-assisted fallbacks: 0 verified, 0 pending review
- Downloads: 481966
- Stars: 982
- Card completeness: 88%

## Description

This model is a 4 billion parameter rectified flow image model that generates images from text descriptions and supports multi reference editing. It unifies text to image and image editing in one architecture and is described as suitable for interactive workflows.

## Model Card Facts

- Declared license: apache-2.0
- Pipeline: image-to-image
- Library: diffusers
- Task categories: image-to-image
- Languages: en
- File hints: 16 upstream file samples

## File Hints

- .gitattributes
- LICENSE.md
- README.md
- editing.jpg
- flux-2-klein-4b.safetensors
- model_index.json
- others.jpg
- realism.jpg
- scheduler/scheduler_config.json
- text_encoder/config.json
- text_encoder/generation_config.json
- text_encoder/model-00001-of-00002.safetensors

## Quality Checklist

- Summary: passed
- Description: passed
- Model card metadata: passed
- License: passed
- Provenance: passed
- File inventory: passed
- Hosted bytes: passed
- Scan result: passed
- Manifest signature: passed

## Safety Notes

- Mirrored 6 selected Hugging Face files by configured-admin; 0 medium-risk weight files used explicit admin review; hashes computed from downloaded bytes and manifest signed.
- External catalog metadata imported from Hugging Face public API on 2026-07-01T22:50:27.000Z.
- Open license detected as apache-2.0.
- Not a run kit: hosted, hash-checked bytes only; run readiness is not certified for this model yet.

## Actions

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- Download plan (per-file SHA-256 + signed download URLs): https://huggingbay.xyz/api/artifacts/hf-model-black-forest-labs-flux-2-klein-4b/download-plan
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