Quick facts

Model ID black-forest-labs/flux_2-klein-4b

Source Nvidia

Context Window 40960

Pricing -

Capabilities temperature control, open weights

Model overview

FLUX.2 Klein 4B is an AI model from Nvidia with 40960 token context window and image, text input support.

Public token pricing is not listed for this model in the current catalog source.

Model ID black-forest-labs/flux_2-klein-4b

Provider Nvidia

Family flux

Status -

Knowledge Cutoff 2025-06

Release Date 2026-01-14

Input Modalities image, text

Output Modalities image

Context Window 40960

Input Limit -

Output Limit 40960

Tool Calling No

Reasoning No

Structured Output -

Temperature Control Yes

Open Weights Yes

Input Cost / 1M tokens -

Output Cost / 1M tokens -

Reasoning Cost / 1M tokens -

Cache Read Cost / 1M tokens -

Cache Write Cost / 1M tokens -