Imarena.AI

WebsiteFreeLarge Language Models (LLMs)AI ChatbotAI Tools Directory
LMArena.ai (formerly Chatbot Arena) is an open benchmarking platform that evaluates and compares large language models through anonymous, crowdsourced pairwise comparisons and community voting.
Social & Email:
Visit Website
Advertise This Tool
https://lmarena.ai/
Imarena.AI

Product Information

Updated:Aug 22, 2025

Imarena.AI Monthly Traffic Trends

Imarena.AI achieved 7.8M visits with a 67.1% growth in July. The $100M seed funding and rebranding to LMArena have likely boosted user engagement, while the addition of new models and features such as Blind Test PK and Manual PK have enhanced the platform's appeal.

View history traffic

What is Imarena.AI

LMArena.ai is an open platform created by researchers from UC Berkeley SkyLab that enables everyone to access, explore and interact with the world's leading AI models. The platform serves as a transparent evaluation system for large language models (LLMs) by facilitating side-by-side comparisons and collecting community feedback through votes. Originally known as Chatbot Arena, it has become a significant platform in the AI industry with major companies like OpenAI, Anthropic, and Google participating by providing their models for evaluation.

Key Features of Imarena.AI

Imarena.AI (also known as LMArena.ai or Chatbot Arena) is an open benchmarking platform developed by UC Berkeley SkyLab researchers that enables users to evaluate and compare large language models through anonymous, crowdsourced pairwise comparisons and voting. The platform features major AI companies' models like GPT-4, Gemini, and Claude, providing a neutral environment for testing and ranking AI models through community feedback.
Anonymous Model Comparison: Enables users to compare two AI models side by side without knowing their identities until after voting, ensuring unbiased evaluation
Crowdsourced Voting System: Collects user votes and feedback to generate comprehensive performance metrics and rankings for different AI models
Comprehensive Leaderboard: Displays detailed performance metrics and rankings based on over 3.5M user votes and multiple evaluation criteria
Multi-modal Testing: Supports evaluation of various AI capabilities including text, vision, and image editing functionalities

Use Cases of Imarena.AI

AI Model Evaluation: Researchers and companies can test and benchmark their AI models against other leading models in the market
Product Development: AI companies can use the platform for preview releases and testing of upcoming models before official launch
Research and Analysis: Academic researchers can study and analyze AI model performance through standardized comparison methods

Pros

Open and transparent evaluation system
Large community of users providing feedback
Supports multiple AI modalities and capabilities

Cons

Evaluation methodology has some limitations identified in academic analyses
May have performance issues with complex prompts

How to Use Imarena.AI

Visit the Platform: Go to lmarena.ai (formerly known as Chatbot Arena) in your web browser
Choose Evaluation Mode: Select between side-by-side comparison mode or other available modalities (text, image, vision)
Enter Prompts: Input your prompts to test two anonymous AI models simultaneously in a randomized battle format
Review Responses: Examine the responses generated by both AI models without knowing their identities
Vote on Performance: Cast your vote for the model that provided the better response to your prompt
View Results: After voting, see the identities of the models you just compared
Check Leaderboard: Visit the leaderboard section to see overall rankings of different AI models based on crowdsourced votes
Contribute to Research: Continue participating to help advance AI research through collective feedback (note: avoid sharing personal or sensitive information)

Imarena.AI FAQs

Imarena.AI (also known as LMArena.ai, LM Arena AI or Chatbot Arena, formerly LMSYS) is an open platform for evaluating AI through human preferences and crowdsourced benchmarking, originally created by researchers from UC Berkeley SkyLab.

Official Posts

Loading...

Analytics of Imarena.AI Website

Imarena.AI Traffic & Rankings
7.8M
Monthly Visits
#6114
Global Rank
#148
Category Rank
Traffic Trends: Aug 2024-Jul 2025
Imarena.AI User Insights
00:08:22
Avg. Visit Duration
7.02
Pages Per Visit
26.44%
User Bounce Rate
Top Regions of Imarena.AI

  1. RU: 12.69%

  2. US: 11.38%

  3. IN: 11.13%

  4. CN: 9.66%

  5. PL: 7.59%

  6. Others: 47.55%

Latest AI Tools Similar to Imarena.AI

Athena AI
Athena AI
FreemiumAI Productivity ToolsLarge Language Models (LLMs)
Athena AI is a versatile AI-powered platform offering personalized study assistance, business solutions, and life coaching through features like document analysis, quiz generation, flashcards, and interactive chat capabilities.
Aguru AI
Aguru AI
Free TrialMonitor & Log ManagementLarge Language Models (LLMs)
Aguru AI is an on-premises software solution that provides comprehensive monitoring, security, and optimization tools for LLM-based applications with features like behavior tracking, anomaly detection, and performance optimization.
GOAT AI
GOAT AI
FreemiumSummarizerLarge Language Models (LLMs)
GOAT AI is an AI-powered platform that provides one-click summarization capabilities for various content types including news articles, research papers, and videos, while also offering advanced AI agent orchestration for domain-specific tasks.
GiGOS
GiGOS
Free TrialLarge Language Models (LLMs)Multi-purpose Tools
GiGOS is an AI platform that provides access to multiple advanced language models like Gemini, GPT-4, Claude, and Grok with an intuitive interface for users to interact with and compare different AI models.

Popular AI Tools Like Imarena.AI

ChatGPT
ChatGPT
Large Language Models (LLMs)AI Chatbot
ChatGPT is an advanced AI-powered chatbot developed by OpenAI that uses natural language processing to engage in human-like conversations and assist with a wide range of tasks.
SearchGPT
SearchGPT
Free TrialAI Search EngineLarge Language Models (LLMs)
SearchGPT is an AI-powered search prototype by OpenAI that provides fast, conversational answers with clear sources using GPT models.
OpenAI
OpenAI
Free TrialLarge Language Models (LLMs)
OpenAI is a leading artificial intelligence research company developing advanced AI models and technologies to benefit humanity.
Open AI o3
Open AI o3
Contact for PricingLarge Language Models (LLMs)Research Tools
OpenAI o3 is a next-generation AI reasoning model with enhanced capabilities in coding, mathematics, and problem-solving that achieves breakthrough performance on advanced benchmarks while prioritizing safety through deliberative alignment.