Arena (formerly LMArena) vs ChatGPT comparison

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At a glance

Highlighted rows are where they differ.

Item	Arena (formerly LMArena)Visit site	ChatGPTVisit site
Starting price	FreeNot applicable	≈€7.13+ ($8)Official USD price
Free tier	Free	Free plan available
Korean support	Average	Good
Main models	Leaderboards: text, vision, documents, search, WebDev, image/image editing, video generation/editing, agents (Agent Arena), Alignment Index. Many major commercial and open models (total number of models needs checking)	GPT-6 (Sol) GPT-6 Luna GPT-6 Pro (Astra) GPT-6.1 Sol Image: ChatGPT Images 2.5
Pricing type	Free, Quote/Enterprise Contract	-
Type	AI apps	AI services
Category	AI Directory/Comparison	Chatbot/Assistant, Image Generation, Coding
Company	Arena (formerly LMArena), United States	OpenAI, United States
Plans	Users: free (voting, chat). Revenue: paid evaluation services for AI labs and companies (launched 2025-09, reported to pass $30,000,000 in annualized spending in 2025-12). Price not disclosed	Free Go $8 Plus $20 Pro $100/$200/$500 Business $25 (annual $20) Enterprise/Edu
Pros	Cited like an industry standard based on millions of human votes Compare and try the latest models for free 5 million+ monthly users (reported 2026-01)	No. 1 in users, so plenty of guides and tips Widest range of features Polished app and voice chat
Cons	Controversy over voter preference bias (tone, length) Neutrality questioned because major labs are also customers Not a comparison of apps or services	Tight usage limits on the free plan Top features need the expensive Pro plans

Prices and benefits may change. Check the official site before you pay.

Prices converted at 1 USD = ₩1,327.84 (2026-10-20). Original price shown in brackets. Taxes as listed by each provider.

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