Introduction
LM Arena is a public, web-based platform that evaluates large language models (LLMs) through anonymous, crowdsourced pairwise comparisons. Users enter prompts for two anonymous models to respond to and vote on the model that gave the better response. This process helps shape the public AI leaderboards and provides valuable insights into model performance.
Competitor Comparison
Compared to other AI benchmarking platforms like OpenLM’s Chatbot Arena, LM Arena offers a more community-driven approach with a focus on real-world user interactions. While OpenLM’s platform also utilises crowdsourced evaluations, LM Arena emphasises transparency and open data sharing.
Feature |
LM Arena |
OpenLM Chatbot Arena |
Evaluation Method |
Crowdsourced pairwise comparisons | Crowdsourced pairwise comparisons |
Transparency |
Open data sharing (20% of data) | Limited data sharing |
Model Access |
Open to all models | Selective model inclusion |
Leaderboard Updates |
Frequent and community-driven | Periodic updates |
User Engagement |
High community interaction | Moderate community interaction |
Pricing & User Base
Pricing: LM Arena is a free platform with no subscription fees.
User Base: Attracts over 1 million visitors monthly, serving as a primary benchmarking tool for both researchers and commercial AI developers.
Ideal For: AI enthusiasts, researchers, and developers interested in evaluating and comparing LLMs.
Use Case Example
Imagine you need to write a tricky email to your boss. You want to ask for a deadline extension on a project, but you need to sound professional and responsible. You’re not sure what the best tone is to strike.
With LM Arena, you can put this problem to the test. You’d enter your prompt: “Help me write a professional email to my manager asking for a two-day extension on the Q3 report. Explain that the delay is due to unexpected data validation issues, but assure them the report will be completed to a high standard.”
Two anonymous AI models will generate their versions of the email. One might be very formal and direct, while the other might be slightly more empathetic and detailed. You can then compare them side-by-side and vote for the one that you feel would be most effective in your workplace. This not only helps you solve your immediate problem but also contributes your opinion to the global ranking of which AI is better at nuanced, real-world tasks.
Example AI Responses
So, what might the results of such a test look like? Here are some plausible outputs you could get from leading models, demonstrating the different approaches you might be asked to compare.
ChatGPT Results
Certainly! Here’s a professional email template you can use:
Subject: Request for Two-Day Extension on Q3 Report
Hi [Manager’s Name],
I am writing to request a two-day extension for submitting the Q3 report. While working on the final stages, I encountered some unexpected data validation issues that require additional time to resolve. I want to ensure the accuracy and quality of the report, and addressing these issues thoroughly is essential.
I am confident that with this short extension, I will be able to deliver a comprehensive and high-standard report. Please let me know if this adjustment is possible or if you would like to discuss further.
Thank you for your understanding.
Best regards,
[Your Name]
Comment: This response is concise and gets straight to the point. It’s a solid, professional template that would work in most corporate environments.
Gemini Results:
Of course. Here are a few professional email templates you can adapt, ranging from very concise to more detailed. I’ve also included some key tips to consider before you send the email.
Option 1: Concise and Direct
This option is best if your manager prefers short, to-the-point communication.
Subject: Request for Extension: Q3 Report
Hi [Manager’s Name],
I am writing to formally request a two-day extension for the Q3 report, which is currently due on [Original Due Date, e.g., Friday, October 27th].
During the final review, I encountered some unexpected data validation issues that require additional time to resolve. To ensure the complete accuracy and integrity of the report, I want to investigate these discrepancies thoroughly.
I am confident that I can complete the report to a high standard by [New Proposed Date, e.g., Tuesday, October 31st].
Please let me know if this extension is feasible. Thank you for your understanding.
Best regards,
[Your Name]
Option 2: More Detailed and Proactive
This option provides more context and shows you’re already thinking about the next steps. It’s great for managers who appreciate more detail.
Subject: Update and Extension Request for Q3 Report
Hi [Manager’s Name],
I hope you’re having a good week. I’m writing to provide a quick update on the Q3 report.
The majority of the report is complete. However, while performing the final data validation, I uncovered some inconsistencies that need to be addressed before submission. My priority is to ensure the data we present is completely accurate and reliable.
To properly investigate and rectify these issues, I’d like to request a brief two-day extension. This would move the submission date from [Original Due Date] to [New Proposed Date].
This additional time will allow me to deliver a report that is not only complete but also thoroughly vetted. I am fully confident that with this short extension, the final report will be comprehensive and meet the high standards we aim for.
I am happy to share a draft of the completed sections now if that would be helpful. Please let me know if this new timeline works for you.
Best regards,
[Your Name]
Key Tips for Success Before You Send:
- Send it Early: Request an extension as soon as you realize you need one. Don’t wait until the day it’s due. This shows respect for your manager’s time and planning.
- Be Specific (If You Can): If you can briefly mention the source of the data issue without getting too technical (e.g., “…inconsistencies in the data from the new sales platform…”), it adds credibility to your request.
- Frame it as a Positive: You aren’t asking for an extension because you are behind; you are asking for it to ensure quality. This frames the delay as a responsible and professional choice.
- Propose a Clear Solution: Don’t just state the problem. Providing a new, specific deadline shows you have a plan to get the work done. A two-day request is reasonable and shows you’re not asking for an indefinite delay.
- Be Prepared to Discuss: Your manager may have a follow-up question. Be ready to briefly and clearly explain what the data validation issue is if they ask.
Comment: This response is more comprehensive. It provides multiple options and valuable meta-advice. A user might prefer this for its thoroughness and strategic guidance, or they might find the single, direct answer from the other model to be faster and more efficient. This is the exact kind of subjective comparison LM Arena is designed to capture.
Pros and Cons
Pros
- Open and transparent evaluation process
- Wide range of models available for comparison
- Frequent updates to leaderboards based on real user interactions
- Provides insights into model performance across various categories
Cons
- Potential for biased voting due to community demographics
- Limited control over the evaluation environment
- May not fully represent performance across all use cases
- Relies on subjective user preferences
Integration & Compatibility
LM Arena is a web-based platform accessible through any modern browser. It does not require any installation or integration, making it easy for users to start evaluating models immediately.
Support and Resources
Support: Community forums and FAQs are available on the LM Arena website.
Resources: Research papers and methodology documentation are accessible for users interested in understanding the evaluation process in depth.
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