Arena (formerly Chatbot Arena) pricing

As arena.ai lists them, read 7 Oct 2026. The maker's own page has the final word.

Plan	Billed and limits	Price
Public Arena	Public leaderboard and head-to-head battles are free; daily usage limit applies and resets after 24 hours	Free
AI evaluations	for enterprises, model labs and developers · grounded in real-world human feedback	On request