Community-powered evaluation
Finish the line
Give a short prompt or a partial snippet. Two models continue it as an inline coding assistant would.
Try something
Curated promptsYour vote matters. Keep it short. This arena scores completion quality, not explanation.
Copilot 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.