flux-3-image-klein

black-forest-labs/flux-3-image-klein

NVIDIA Build Card

FLUX 3 Image Klein is a state-of-the-art open-weight image generation and editing model

Context Length

Not published

Input Pricing

Not published

Output Pricing

Not published

Recent Latency

No probes

Model Architecture & Limits

Canonical IDblack-forest-labs/flux-3-image-klein

Publisher / Originatorblack-forest-labs

Model FamilyCosmos

ArchitectureTransformer (Transformer)

Context Window LimitNot published

Max Output TokensNot published

Endpoint Protocolnim-custom

Capabilities & Modal Surfaces

Chat Conversation✕ No

Tool / Function Calling✕ No

Reasoning / Thinking✕ No

Structured Output (JSON)✕ No

Vision / Multimodal✓ Yes

Audio Processing✕ No

License & Restrictions

**GOVERNING TERMS:** Use of this container is governed by the [NVIDIA Software License Agreement](https://www.nvidia.com/en-us/agreements/enterprise-software/nvidia-software-license-agreement/) and [Product-Specific Terms for NVIDIA AI Products](https://www.nvidia.com/en-us/agreements/enterprise-sof

Commercial and research use permitted under governing model and API terms.