Community-powered evaluation
Ask anything
Ask anything. Compare two anonymous models. Your vote shapes the open-source leaderboard.
Try something
Curated promptsYour vote matters. Your vote matters. Responses are processed by configured third-party model providers and may be inaccurate.
Text arena
Anonymous battle
Two models are thinking…
Continue the conversation
Ask a follow-up before casting your final vote.
Final vote
Which response was better?
Vote anonymously. Model identities will be revealed afterward.
Vote recorded
Thanks for shaping the leaderboard
Optional. This never changes a model’s rating — it only helps us understand the votes.