FLUX.2 Klein 4B | Sulat AI Models

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FLUX.2 Klein 4B | Sulat AI Models

Model details

FLUX.2 Klein 4B

Find out what this model does, when it was released, and which provider serves it.

OpenRouterblack-forest-labs/flux.2-klein-4bflux

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Quick Info

Provider: OpenRouter
Model key: black-forest-labs/flux.2-klein-4b
Release date: Jan 14, 2026
Last updated: Jan 31, 2026
Knowledge: 2025-06
Input modalities: image, text
Output modalities: image
Capabilities: Open weights, Temp controls
Cost summary: Subscription plan pricing
Limit summary: 40,960 token context window

Cost

A provider subscription or plan supersedes token-based pricing for this model.

Limits

Output tokens: 40,960 tokens
Context window: 40,960 tokens