AI Arena
Two models, same prompt, blind vote. You decide which AI is better.
You're battling self-hosted open-source models.
Buy tokens to unlock paid models
Model A
Enter a prompt and hit Battle to start
Model B
Models are chosen randomly and hidden
Leaderboard
| # | Model | ELO | Wins | Losses | Ties | Win Rate |
|---|---|---|---|---|---|---|
| 1 | DeepSeek R1 7B (retired) | 1248 | 37 | 39 | 41 | 32% |
| 2 | Kimi K2.5 | 1216 | 1 | 0 | 0 | 100% |
| 3 | Deepseek Chat V3 0324 | 1215 | 1 | 0 | 1 | 50% |
| 4 | Llama 3.3 70B Instruct | 1200 | 0 | 0 | 1 | 0% |
| 5 | Gpt 4O Mini | 1200 | 1 | 1 | 0 | 50% |
| 6 | Gemini 2.5 Pro | 1184 | 0 | 1 | 0 | 0% |
| 7 | Qwen 3 8B (retired) | 1171 | 142 | 32 | 78 | 56% |
| 8 | Qwen 7B (retired) | 1158 | 35 | 123 | 77 | 15% |
| 9 | Mistral 7B (retired) | 1134 | 21 | 23 | 41 | 25% |
| 10 | Qwen 3.6 35B Thinking | 1104 | 100 | 92 | 81 | 37% |
| 11 | Qwen 3.6 35B | 1034 | 92 | 100 | 81 | 34% |
605 total votes. ELO ratings update after each vote.
Rows marked retired are results from past battles against models we no longer run. Those model ids now answer with Qwen 3.6 35B.
AI Arena - FAQ
AI Arena is a free AI tool that turns your input into a useful result in seconds, powered by open-source models on Free.ai. It runs free on Free.ai with no sign-up required to get started.
AI Arena is built for anyone who wants a capable AI tool without a sign-up or a subscription. It covers your task - pick this tool when that’s what you need.
Nothing but an idea. Describe what you want in the box on this page and AI Arena produces a result in seconds. Refine your description and regenerate until it’s right.
Yes. You get 6,000 free tokens per day with no account at all, or 30,000 tokens/day with a free account. AI Arena draws from that daily pool; if you need more, token packs start at $1.
AI Arena outputs plain, copy-ready text. Copy it straight out, or export it - signed-in users can save and revisit results from their history.
Give AI Arena context: who it’s for, the tone you want, and roughly how long. The more direction you give, the closer the first draft lands - then regenerate or edit to taste.
Yes. Text you generate with AI Arena is yours to publish, edit, and use commercially. We claim no rights over your output.
No. Use AI Arena immediately as a guest. A free account doubles your daily tokens to 30,000, saves your history, and unlocks larger inputs - but it is optional.
What you type into AI Arena is not stored beyond the share window and is not used to train models. Signed-in users can choose to save results to their history.
AI Arena runs on best-in-class open-source AI models on our own infrastructure - no third-party API keys, no per-call surcharge. We update the underlying models as better ones are released.
Yes. AI Arena works in any modern mobile browser - the layout adapts to your screen, so you can use it on a phone or tablet with no app to install.
A lot. Beyond AI Arena, Free.ai bundles your task alongside hundreds of other free AI tools - chat, images, audio, video, code, and more - all sharing the same daily token pool. Browse the categories to find your next one.