The sameness problem behind those unappetizing AI-generated menus
AI-generated menus are causing a "sameness problem" in the restaurant industry, producing unappetizing, overly perfect food images that elicit an "uncanny valley" effect and consumer unease. This issue stems from AI models being trained on narrow datasets and potentially …
Intelligence analysis by Gemini 2.5 Flash

Restaurants are increasingly using generative AI to create menu illustrations, but the resulting images often appear unnervingly flawless and homogenous, leading to a subtle yet widespread sense of discomfort among customers. Experts attribute this to AI models being trained on limited, "pleasing" aesthetic datasets, which can lead to a degradation of output quality and a lack of auth…
Imagine a robot trying to draw a yummy pizza, but it's only ever seen perfect, fake pictures of pizza from commercials. So, its pizza looks super perfect, too smooth, and a little bit weird, like it's not real food. People see these robot-drawn menus and feel a strange feeling, like something's not quite right, even if they can't say why. It's because the robot learned from too many fake pictures, making everything look the same and a little bit creepy.
Analysis
The article delves into the peculiar phenomenon of AI-generated food images that, despite their technical perfection, often appear unappetizing and unsettling to human observers. This "sameness problem" is becoming increasingly prevalent in restaurant menus and advertisements, creating a subtle but pervasive sense of unease among consumers. The core issue lies in the foundational training data and iterative refinement processes of generative AI models, which inadvertently strip away the natural imperfections and variations that make food appealing.
Reality Defender
Alex Lisle, CTO of Reality Defender, a startup specializing in AI-detection and content-verification tools, offers insights into the technical underpinnings of this problem. He notes that AI models, particularly large language models (LLMs) and diffusion models, are trained on vast datasets to identify patterns and generate outputs based on user prompts. Lisle suggests that many AI-generated food images resemble "a Chili’s menu from 2015" because that specific aesthetic formed a significant part of their training corpus.
The company's existence underscores a growing market need for tools to identify and verify AI-generated content, a direct consequence of the issues highlighted by these unappetizing menus. As AI-generated content proliferates, the ability to discern authentic from artificial becomes crucial, not just for ethical reasons but also for maintaining consumer trust and brand integrity in various industries.
Model Collapse
A significant concern in AI development is "model collapse," a phenomenon where AI models are fed too much of their own AI-generated content during retraining, leading to a degradation of quality. While the current "sameness problem" in food images is described as "convergence" rather than full model collapse, it represents a less extreme form of this issue, where outputs become increasingly homogenized and less diverse.
This convergence occurs because AI models, when asked to generate something like a fast-food menu, reference existing popular chain menus that already share a similar style. This stylistic reinforcement, especially if AI-generated content re-enters training datasets, perpetuates a cycle of bland, overly optimized, and ultimately unappealing imagery, "shaving off the edges" of natural variation.
University of Duisburg-Essen
The human aversion to these AI-generated images is not merely anecdotal but has a scientific basis, as evidenced by research from the University of Duisburg-Essen in Germany. Their studies found that AI-generated food images often trigger an "uncanny valley" effect, where visuals that are almost, but not quite, real elicit feelings of disgust and unease rather than appeal. This psychological response is more pronounced than with images that are clearly artificial.
This research provides a crucial explanation for the widespread negative reaction to these menus, suggesting that the human brain is finely tuned to detect subtle cues of artificiality, especially when it comes to something as fundamental as food. The iterative editing process, where AI-generated images are refined repeatedly, seems to exacerbate this effect, making the food appear progressively smoother and less authentic, further intensifying the "uncanny valley" sensation.
Key points
- AI-generated restaurant menus often feature unappetizing, overly perfect food images that cause consumer unease.
- This "sameness problem" stems from AI models being trained on narrow datasets, often mimicking existing commercial aesthetics.
- The phenomenon is linked to "convergence," a degradation of AI output quality that can precede "model collapse."
- Research indicates these images trigger an "uncanny valley" effect, eliciting disgust when food looks almost, but not quite, real.
- Iterative editing of AI-generated images can worsen the problem, making food appear progressively smoother and less authentic.
The emergence of startups like Reality Defender, focused on AI-detection and content-verification, suggests a growing industry response to these issues, potentially leading to better tools for identifying and mitigating the "sameness problem" in AI-generated content. As understanding of model limitations grows, future AI models could be trained on more diverse and authentic datasets, improving output quality.
The risk of "convergence" and eventual "model collapse" looms, where AI models continuously degrade the quality of their outputs by training on their own generated content, leading to increasingly homogenous and unappealing results. This could erode public trust in AI-generated content, particularly in consumer-facing applications like food advertising, if the "uncanny valley" effect persists.



