Does FLUX-2-klein-4b support zero data retention?

Not self-serve on Pay-as-you-go. Zero data retention for FLUX-2-klein-4b is available on request via Opper Enterprise — contact hello@opper.ai.

Where is FLUX-2-klein-4b hosted?

FLUX-2-klein-4b runs on US hosting routes through the Opper gateway.

Is FLUX-2-klein-4b trained on prompts and outputs?

No. Every hosting route for FLUX-2-klein-4b is configured so customer prompts and outputs are not used to train models by default.

FLUX-2-klein-4b

by Black Forest Labs

FLUX-2-klein-4b from Black Forest Labs — text model on the Opper gateway.

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Key info

Input

Output

Features

Context window

—

Max output

—

Input price

— /1M

Output price

— /1M

US residency available
Zero data retention via Enterprise
No training by default

Available routes

FLUX-2-klein-4b runs on 1 route through the Opper gateway. Compare residency, ZDR, and training posture at a glance — full data-handling detail per route below.

Provider	Region	Zero data retention	Training	Input	Output
DeepInfra	US	Enterprise	No	—	—

Training posture across routes: No training on prompts by default.

Data handling per route

Each route hosting FLUX-2-klein-4b has its own privacy posture, residency, and GDPR terms. Postures are maintained by Opper with a last-verification timestamp.