
The Search AI Company.

The crowdsourced open platform for evaluating LLMs through human preference
Elastic: The Search AI Company.. LM Arena: The crowdsourced open platform for evaluating LLMs through human preference. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. Elastic is freemium and LM Arena is free.
The best choice between Elastic and LM Arena depends on your specific needs. Compare their features, pricing, and target audience on this page to find the tool that best fits your use case.
Both are primarily designed for individuals. The choice depends on which specific features you need.
Elastic offers: Elastic AutoOps, now free for all Elastic users, GPU-accelerated vector database for 12x faster indexing (technical preview), Elastic Workflows for rules-based and agentic automation (technical preview), ES|QL as a multidimensional analytical engine with advanced time-series functions. LM Arena offers: Blind model comparison, Elo rating leaderboard, Multi-model chat interface.
Based on our data, Elastic currently enjoys greater popularity. However, popularity isn't the only factor — compare features to find the right tool for your needs.