As artificial intelligence continues to reshape industries and societies, measuring its progress has become more important than ever.
One increasingly popular method is the use of crowdsourced AI benchmarks—evaluation tools that rely on public input to determine how well AI models perform.
While these platforms promise transparency and inclusivity, a growing number of experts warn that they may be deeply flawed.
What Are Crowdsourced AI Benchmarks?
Crowdsourced AI benchmarks are systems where real users evaluate and score AI models.
One well-known example is the Chatbot Arena by LMSYS, where people vote on which chatbot performs better in side-by-side comparisons.
These platforms provide a way for the public to test and rank AI in real-world scenarios without requiring technical expertise.
They are designed to democratize AI evaluation and offer a broader, user-driven perspective on model performance.
Flaws in the Methodology
Despite their appeal, several key weaknesses have been identified in crowdsourced benchmarking systems.
1. Lack of Standardization
Unlike peer-reviewed scientific benchmarks, crowdsourced evaluations often lack consistent standards.
Different users may apply different criteria when judging model performance, making results highly variable.
Without a universal scoring system, the rankings can be subjective and hard to reproduce.
2. Susceptibility to Gaming the System
Developers can train models specifically to excel in known benchmarks, a practice known as “benchmark gaming.”
This doesn’t necessarily mean the model performs better in the real world—it just means it knows how to “win” the test.
Such optimization undermines the purpose of benchmarks as tools for genuine comparison.
3. Influence of Popularity and Bias
Crowdsourced platforms can favor more well-known models due to name recognition.
Users may also show bias toward certain companies or models, consciously or unconsciously skewing results.
This undermines objectivity and may allow inferior models to gain unwarranted recognition.
4. Ethical and Academic Concerns
Experts argue that these benchmarks often ignore ethical dimensions such as bias, misinformation, and harmful outputs.
Additionally, academic researchers point out that most crowdsourced evaluations don’t account for long-term reliability or safety.
Without these considerations, such platforms risk promoting models that are efficient but ethically compromised.
5. Obsolescence and Limited Scope
AI technology is evolving rapidly, often outpacing the capabilities of existing benchmarks.
A test designed a year ago might no longer capture the most relevant abilities of today’s advanced models.
Moreover, crowdsourced evaluations usually focus on narrow tasks like chat or translation, missing broader capabilities.
Calls for Reform
To address these issues, many in the AI community are calling for a multi-pronged approach to benchmarking.
- Standardized Frameworks: Industry and academic experts should collaborate to create unified, transparent standards for AI evaluation.
- Transparency in Data and Process: Clear documentation of how benchmarks are built and how data is used is essential.
- Regular Updates: Benchmarks need to evolve alongside AI to stay relevant and meaningful.
- Inclusion of Ethical Metrics: Evaluations should consider how responsibly a model behaves, not just how well it performs.
Conclusion
Crowdsourced AI benchmarks have become a powerful force in shaping public and industry perceptions of AI performance.
However, their unregulated nature, potential for bias, and lack of ethical consideration make them an imperfect solution.
To ensure responsible AI development, the benchmarking process must evolve—becoming more transparent, standardized, and ethically aware.
Only then can we truly understand how well our machines are learning, thinking, and acting in the world.