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About Arena
Arena, formerly LMArena, lets you send one prompt to AI models and compare their answers. You vote for the better reply, and those votes feed a public leaderboard that ranks language, image and code models by real-world use.
The site also has starter tasks for building things with AI, such as landing pages, dashboards, browser games, full-stack apps and turning an uploaded design image into code. Inputs are processed by third-party AI providers, and the site warns that responses may be inaccurate.
Strengths
- Compare answers from different models on the same prompt
- Public leaderboard built from community votes
- Covers language, image and code models
Limitations
- Prompts are sent to third-party AI providers
- Responses may be inaccurate, as the site itself notes
Details
- Pricing
- FreeThe site shows no paid plan; chatting and voting are open to visitors.
- License
- Proprietary
- Developer
- Arena AI
- Platforms
- Web
- How it runs
- Web application
- Works offline
- No
- Best suited for
- Trying several AI models on the same question before picking one
- Categories
- AI assistants, AI coding
- Last verified
- Added
- Sources
Alternatives to Arena
Compare allSoftware that can replace Arena for an important use case, and what changes if you switch.
ChatHub
A browser extension and app for asking several AI chatbots the same question side by side.
ChatHub compares several chatbots side by side as a browser extension and app, but full model access needs a paid subscription and there is no public leaderboard.
ChatALL
A desktop app that sends one prompt to many AI chatbots at once and shows answers side by side.
ChatALL is an open-source desktop app for Windows, macOS and Linux that sends one prompt to many chatbots, using your own accounts or API keys.
Big-AGI
An open-source AI chat workspace that connects to many cloud providers and local model servers.
Big-AGI uses its Beam feature to compare and merge answers from several models, with your own API keys and an optional self-hosted MIT-licensed install.
HuggingChat
Hugging Face's chat app for talking to a choice of hosted open-source AI models.
HuggingChat lets you try a choice of hosted open-source models for free in the browser, one at a time rather than side by side with voting.
Poe
A chat platform from Quora that gives access to several AI models in one place.
Poe gives several AI models in one online interface with custom bots, with available models and limits depending on the plan instead of free community voting.
Similar software
Related functionality, not necessarily a direct replacement.
OpenRouter
A unified API and chat interface that routes requests to hundreds of AI models across many providers.
Mammouth
A subscription service that bundles text and image models from several AI providers in one app.
T3 Chat
A web chat app that lets you switch between AI models from OpenAI, Anthropic, Google, DeepSeek and others.
ChatLLM
Abacus.AI's subscription assistant giving access to over 100 AI models, agents and generation tools.
TypingMind
A chat interface for ChatGPT, Claude, Gemini and other language models that runs on your own API keys.
