How to Use FLUX 1.1 Pro Ultra for Free

FLUX AI recently updated its model with a new version, FLUX Ultra, offering an impressive boost in resolution—up to four times higher—without any reduction in speed. This latest release includes a “raw mode,” setting it apart from earlier versions and making it one of the top AI image generators available. Typically, using FLUX Ultra requires access through BlackForestLabs API. However, there’s an alternative way to try it for free without the need for API access.

Using Gliph to Access FLUX Ultra

One of the easiest ways to try FLUX Ultra for free is through Glyph, an AI-powered tool. By visiting the Gliph page, users can enter a prompt, select an aspect ratio from various options, and even choose the type of image—either realistic or less realistic. Once these settings are chosen, click “Run this Gliph” to generate an image.

Using Gliph to Access FLUX Ultra

The output not only matches the prompt well but is also generated at a 2K resolution, upscaling previous results significantly. For further experimentation, try adjusting the aspect ratio and testing various subjects. Gliph’s FLUX Ultra generates detailed and natural-looking portraits, though free users are limited to one image per request and a total of 20 images per day.

Other Tools Offering High-Quality AI Image Generation

There are other AI tools available for those interested in ultra-high-quality image generation similar to FLUX Ultra. For instance, HitPaw Photo offers a range of art styles and supports 4K image resolution. Like Gliph, HitPaw Photo is simple to use—just enter a prompt, click “Generate,” and enjoy high-quality, stylized images.

HitPaw Photo offers a range of art styles and supports 4K image resolution

Another option is Krea AI, which has integrated FLUX Ultra directly into its platform. However, using FLUX Ultra through Krea AI requires a subscription.

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Krea AI Official page

This can be a good choice for users interested in a more professional experience with the model.

Tips for Exploring FLUX Ultra for Free

Trying out FLUX Ultra and similar AI models without paid access can be done easily using Gliph and other free tools. However, limitations do apply on free versions, such as daily image caps and image count restrictions per request. Exploring various options like HitPaw Photo and Krea AI, even if some require subscriptions, allows users to find the tool that best fits their creative needs.

Other Providers

BlackForestLabs partnered with Replicate, FAL, Mystic, and Together. You can sample FLUX models using their services. Below we list relevant links.

Replicate:

FAL:

Mystic:

Together: