- Pricing
- Paid
- Platform
- Web
About Chatbot Arena
Chatbot Arena, hosted at lmarena.ai, is an open platform where users compare two anonymous AI chatbots side-by-side and vote for the better response, generating a live crowdsourced leaderboard of LLM quality. Developed by researchers at UC Berkeley, it provides an Elo-based ranking across dozens of models. Widely referenced by AI researchers and practitioners as a reliable model quality benchmark.
Specifications
Everything we hold on this listing.
- Category
- Research
- Pricing
- Paid
- Platforms
- Web
- Website
- lmarena.ai
- Added
- Apr 23, 2026
- Source
- awesome
platform, tags were inferred from this tool's own description, not confirmed by its maker. Claim this listing to correct it.
How Chatbot Arena compares
The closest tools in the directory, matched on shared capability rather than category alone.
| Tool | Pricing | API | Open source |
|---|---|---|---|
| Chatbot Arena | Paid | Not stated | Not stated |
| IAS PYQ | Freemium | Not stated | Not stated |
| GummySearch | Paid | Not stated | Not stated |
| NotebookLM | Paid | Not stated | Not stated |
| Summary With AI | Paid | Not stated | Not stated |
Frequently asked
What is Chatbot Arena used for?
Chatbot Arena, hosted at lmarena.ai, is an open platform where users compare two anonymous AI chatbots side-by-side and vote for the better response, generating a live crowdsourced leaderboard of LLM quality. Developed by researchers at UC Berkeley, it provides an Elo-based ranking across dozens of models. Widely referenced by AI researchers and practitioners as a reliable model quality benchmark.
Is Chatbot Arena free?
Chatbot Arena is Paid. Paid tool. Visit the site to view current pricing plans.
What platforms does Chatbot Arena run on?
Chatbot Arena runs on Web. Whether it offers a public API isn't stated, check the vendor's docs before planning an integration.
What are the best alternatives to Chatbot Arena?
The closest alternatives are IAS PYQ, GummySearch, NotebookLM, Summary With AI, all research tools that overlap with Chatbot Arena on research. See the full list at brofindai.com/alternatives/chatbot-arena.
