What is LLM Arena and who is rank 1 in April 2025?

Three colorful retro-style robots gather on a neon-lit stage, preparing for a pixelated digital debate in a futuristic setting.

During Google Cloud Next 2025, Google CEO Sundar Pichai referenced LLM Arena during a live demo, showcasing its potential in evaluating next-generation AI models side-by-side. That moment solidified LLM Arena’s place as a global reference point for open AI evaluation.

What is LLM Arena?

LLM Arena is an interactive platform built by LMSYS (the team behind Chatbot Arena). It lets anyone compare outputs from two anonymized LLMs on the same prompt without knowing which is which. The user then votes on the better response, creating a crowdsourced, unbiased feedback loop that drives live model rankings.

Imagine it like an AI talent show, where users are the judges and LLMs from GPT to Claude to open-source titans like Mistral are the contestants.

How Does It Work?

• Users enter any prompt of their choice.

• Two anonymous responses from different models are shown.

• You vote for the better one (or declare a tie).

• The results go straight into a live leaderboard, reflecting real-world performance.

This blind A/B testing format ensures fairness and removes brand bias. It’s a fresh, transparent alternative to traditional benchmarks that often rely on static datasets.

Why LLM Arena Matters

In a time when AI models are embedded in search engines, productivity tools, and business workflows, how they respond to nuanced, human prompts truly matters. LLM Arena opens the door to public accountability, offering an open-source, community-first evaluation framework that developers and users can trust.

It helps:

• Reveal hidden strengths and weaknesses in AI models

• Guide enterprise and personal decision-making

• Accelerate the development of safer, smarter AI

And by empowering users to compare outputs freely, it democratizes AI literacy something both educators and enterprises can benefit from.

Current LLM Arena Leaderboard (as of April 10 2025)

Here are the top-performing models based on thousands of live comparisons:

🏅 Rank	Model Name	Score	Developer	License
🥇 1	Gemini-2.5-Pro-Exp-03-25	1439	Google	Proprietary
🥈 2	Llama-4-Maverick-03-26-Experimental	1417	Meta	N/A
🥉 3	ChatGPT-4o-latest (2025-03-26)	1410	OpenAI	Proprietary
4	Grok-3-Preview-02-24	1403	xAI	Proprietary
5	GPT-4.5-Preview	1398	OpenAI	Proprietary
6	Gemini-2.0-Flash-Thinking-Exp-01-21	1380	Google	Proprietary
7	Gemini-2.0-Pro-Exp-02-05	1380	Google	Proprietary
8	DeepSeek-V3-0324	1369	DeepSeek	MIT
9	DeepSeek-R1	1358	DeepSeek	MIT
10	Gemini-2.0-Flash-001	1354	Google	Proprietary

—The LearnWithAI.com Team