Flux.1 Kontext Dev Has Finally Arrived

Black Forest Lab's has finally released the open-weights version of its Flux.1 Kontext suit of image models, Flux.1 Kontext Dev.

Jul 04, 2025

∙ Paid

Black Forest Labs (BFL) has finally released Flux.1 Kontext Dev, the open-weights model and developer version of Flux.1 Kontex Pro.

This is a big deal for the AI community because some of the latest and biggest image models out there, like Google’s Imagen 4, OpenAI’s GPT-Image-1, and Midjourney V7, are all closed source. Having a model with open weights openly accessible is important to technological innovation.

So what makes Flux Kontext Dev different from the Pro and Max versions? How do you access it, and how much does it cost? I’ll try to answer all those questions in this article.

Let’s get started.

What is Flux.1 Kontext Dev?

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