Flux 1.1 Pro: An In-Depth AI Image Generator Review
Flux 1.1 Pro is a refined AI text-to-image model offering improved detail and accuracy over its predecessor. It excels at simple and complex prompts but still has limitations with edge cases.

Model Overview: Flux 1.1 Pro
Flux 1.1 Pro is an updated version of Flux Pro, which aims to provide improvements and refinements to the overall image generation experience. While still maintaining the speed and style that Flux is known for, it focuses on incorporating more details and improving accuracy. Overall, this model is meant to build on the strengths of the previous version.
Text-to-Image Performance
Image Example: (Placeholder – You should insert three representative images here that correspond to the three prompts used below)
Simple Prompt: “A red apple on a wooden table.”

Overall Analysis:
The Flux 1.1 Pro’s image is, for the most part, a success. While the red color is a bit too intense and shiny, the overall rendering of the apple and the wooden table makes it an appealing scene.
Human Evaluation Score: 4 / 5
Complex Prompt: “A futuristic cityscape with flying cars at sunset, in the style of a cyberpunk comic book.”

Overall Analysis:
We do see an improvement here. The model finally delivers flying cars and a cyberpunk art style. However, there are inconsistencies that pull this down, such as the random people in the middle of the street. This inconsistency is minor, but shows that it hasn’t been refined completely.
Human Evaluation Score: 4 / 5
Edge Case Prompt: “A square circle.”
Overall Analysis:
When we ask for the square circle, the model did not deliver what was expected. Instead, it generated a spiral circle with patterns that seem nonsensical and show that there are clear limitations on its ability to respond to this edge case.
Human Evaluation Score: 1 / 5
Complex Prompts/Edge Cases (Combined)

Overall Analysis:
Flux 1.1 Pro’s test makes it clear that it made improvements over previous iterations, there is still a clear limitation on its ability to generate complex and illogical scenes. Further testing is needed.
Human Evaluation Score (Complex/Edge Cases): 2.5 / 5
Overall Impression
Overall, Flux 1.1 Pro is a much-needed improvement over previous versions and is a model that does succeed in delivering a good-looking end result, the model falters when asked to take on tasks beyond its abilities.
Frequently asked questions
- What is Flux 1.1 Pro?
Flux 1.1 Pro is an updated text-to-image AI model that offers improved detail and accuracy over its previous version, maintaining signature speed and style while aiming for more refined image generation.
- How does Flux 1.1 Pro perform with different prompts?
Flux 1.1 Pro delivers strong results for simple and complex prompts, accurately rendering scenes and styles. However, it struggles with illogical or edge case prompts, showing limitations in those scenarios.
- Who should consider using Flux 1.1 Pro?
Anyone interested in generating AI images from text prompts—such as digital artists, content creators, and businesses—can benefit from Flux 1.1 Pro, especially when high detail and accuracy are desired.
- What are the main strengths and weaknesses of Flux 1.1 Pro?
Strengths include improved detail, speed, and stylistic consistency over previous versions. Weaknesses are mainly in handling complex or illogical prompts, where the model may produce inconsistent or nonsensical images.
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