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arena.ai

arena.ai — Now that the model ID is publicly visible, the first Pro checkpoint that was used for…

arena.ai is Now that the model ID is publicly visible, the first Pro checkpoint that was used for the output below was `argon-160`, which was also being tested under `gemin. It is ranked #17 on the AI Radar, in Frontier models, first seen 9 days ago and shared in 9 posts (826.2k views).

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What arena.ai says about itself

Chat, compare, vote for the world's best AI models. Join the community shaping the public leaderboard for LLMs, image, and code models through real-world evaluation.

What people said about arena.ai on X

Gemini 4 Pro (3D Model of Airbus H145 helicopter) This is so impressive.. google has definitely cooked hard this time! It took around 10 minutes to build this.. the bottom UI elements do look a little bad.. i think they need to fix its UI design taste. But overall pretty crazy

@thtbee_, 2 days ago · 1.3k likes · see the post

Do models need their native harness for coding? Awesome work from our intern @melissapan on this. She dug into whether the harness (Claude Code vs Codex CLI vs Pi) actually moves the needle for coding agents. Turns out it matters way less than people assume. 21 model-harness pairs, real rigor. More from Arena to…

@arena, 2 days ago · 471 likes · see the post

A new Gemini 4 Pro checkpoint is being tested in https://arena.ai

@lyraxana, 2 days ago · 539 likes · see the post

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FAQ

What is arena.ai?

Now that the model ID is publicly visible, the first Pro checkpoint that was used for the output below was `argon-160`, which was also being tested under `gemin It was first shared on X 9 days ago and is ranked #17 on the AI Radar.

Is arena.ai free?

Pricing is not stated on the page we read.

Who shared arena.ai?

5 accounts on X, including @thtbee_, @arena, @lyraxana, in 9 posts totalling 826.2k views.

Every post is read and classified by Jev (TypeSafe): what it is, which market it belongs to, and whether the link is a real tool. 27k posts from 4.8k X accounts over the last 14 days, 1.2k tools, 19 markets. Collected every 5 minutes, fully re-ranked every hour — last update 2026-09-19 16:11 UTC. Full method.