Lmarena

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Created by researchers from UC Berkeley, LMArena is an open platform where everyone can easily access, explore, and interact with the world’s leading AI models. By comparing them side by side and casting votes for the better response, the community helps shape a public leaderboard, making AI progress more transparent, and grounded in real-world usage.

Company Details

Employees
25
Founded
-
Address
San Francisco, California 94104, Us
Industry
Research Services
NAICS
Scientific Research and Development Services
Research and Development in the Physical, Engineering, and Life Sciences
Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
HQ
San Francisco, California
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News

Scale AI lifts the lid on Seal Showdown to challenge LMArena - findarticles.com

Scale AI lifts the lid on Seal Showdown to challenge LMArena findarticles.com

Beyond Leaderboards: LMArena’s Mission to Make AI Reliable - Andreessen Horowitz

Beyond Leaderboards: LMArena’s Mission to Make AI Reliable Andreessen Horowitz

How leaderboards lost their spot as the best way to judge AI - Platformer

How leaderboards lost their spot as the best way to judge AI Platformer

LMArena launches AI evaluations for Enterprises and Teams - TestingCatalog

LMArena launches AI evaluations for Enterprises and Teams TestingCatalog

Microsoft's new image generator is faster than larger models - Windows Central

Microsoft's new image generator is faster than larger models Windows Central

I tried the Gemini 'nano banana' AI image editing model that topped LMArena - Mashable

I tried the Gemini 'nano banana' AI image editing model that topped LMArena Mashable

LMArena raises $100M at $600M valuation to expand AI benchmarking platform - SiliconANGLE

LMArena raises $100M at $600M valuation to expand AI benchmarking platform SiliconANGLE

LMArena: $100 Million Seed Funding Raised for AI-Focused Open Community Platform - Pulse 2.0

LMArena: $100 Million Seed Funding Raised for AI-Focused Open Community Platform Pulse 2.0

Tencent’s AI image model beats Google’s Nano Banana in leaderboard - South China Morning Post

Tencent’s AI image model beats Google’s Nano Banana in leaderboard South China Morning Post

LM Arena, the organization behind popular AI leaderboards, lands $100M - TechCrunch

LM Arena, the organization behind popular AI leaderboards, lands $100M TechCrunch

Every AI model is flunking medicine - and LMArena proposes a fix - ZDNET

Every AI model is flunking medicine - and LMArena proposes a fix ZDNET

Popular AI benchmark LMArena allegedly favors large providers, study claims - the-decoder.com

Popular AI benchmark LMArena allegedly favors large providers, study claims the-decoder.com

How Early Access to NVIDIA GB200 Systems Helped LMArena Build a Model to Evaluate LLMs - NVIDIA Developer

How Early Access to NVIDIA GB200 Systems Helped LMArena Build a Model to Evaluate LLMs NVIDIA Developer

Google's Nano-Banana AI Image Generator Is Officially Available In The Gemini App - bgr.com

Google's Nano-Banana AI Image Generator Is Officially Available In The Gemini App bgr.com

The battle of the LLMs: A popular website allows users to pit AI models from Google, OpenAI, and more against each other - businessinsider.com

The battle of the LLMs: A popular website allows users to pit AI models from Google, OpenAI, and more against each other businessinsider.com

ICYMI: Microsoft AI unveils MAI-Image-1 ranked 9 on LMArena - TestingCatalog

ICYMI: Microsoft AI unveils MAI-Image-1 ranked 9 on LMArena TestingCatalog

Microsoft’s MAI-Image-1 Joins Top AI Models, Challenges Google Gemini - Mashable India

Microsoft’s MAI-Image-1 Joins Top AI Models, Challenges Google Gemini Mashable India

AI evaluation platform LMArena is becoming a real startup - SiliconANGLE

AI evaluation platform LMArena is becoming a real startup SiliconANGLE

Study accuses LM Arena of helping top AI labs game its benchmark - TechCrunch

Study accuses LM Arena of helping top AI labs game its benchmark TechCrunch

Scale AI launches Seal Showdown, an alternative to LMArena leaderboard - Mashable

Scale AI launches Seal Showdown, an alternative to LMArena leaderboard Mashable

YouTube unveils AI creation suite for Shorts and Studio - TestingCatalog

YouTube unveils AI creation suite for Shorts and Studio TestingCatalog

New study accuses LM Arena of gaming its popular AI benchmark - Ars Technica

New study accuses LM Arena of gaming its popular AI benchmark Ars Technica

xAI sees Anthropic's Claude as the AI coding tool to beat, docs show - businessinsider.com

xAI sees Anthropic's Claude as the AI coding tool to beat, docs show businessinsider.com

Gemini 2.5 Pro Tops LMArena Leaderboard - Blockchain Council

Gemini 2.5 Pro Tops LMArena Leaderboard Blockchain Council

"Nano Banana" on LMArena Gets 5M Votes in Two Weeks, Triggers Tenfold Traffic Increase; Google and OpenAI in Head - to - Head Competition - 36Kr

"Nano Banana" on LMArena Gets 5M Votes in Two Weeks, Triggers Tenfold Traffic Increase; Google and OpenAI in Head - to - Head Competition 36Kr

Zuckerberg Fills Out His AI Dream Team; Developers Are Cheating on LMArena - The Information

Zuckerberg Fills Out His AI Dream Team; Developers Are Cheating on LMArena The Information

Chinese open-source AI models occupy top spots among global developers: ranking - South China Morning Post

Chinese open-source AI models occupy top spots among global developers: ranking South China Morning Post

Popular Chatbot-Ranking Website Is Becoming a Real Company - Bloomberg.com

Popular Chatbot-Ranking Website Is Becoming a Real Company Bloomberg.com

Meta’s vanilla Maverick AI model ranks below rivals on a popular chat benchmark - TechCrunch

Meta’s vanilla Maverick AI model ranks below rivals on a popular chat benchmark TechCrunch

LMArena tightens rules after Llama 4 incident - Digital Watch Observatory

LMArena tightens rules after Llama 4 incident Digital Watch Observatory

Scale AI Launches ‘SEAL Showdown’ LLM Leaderboards – Can it Dethrone LMArena? - WinBuzzer

Scale AI Launches ‘SEAL Showdown’ LLM Leaderboards – Can it Dethrone LMArena? WinBuzzer

Chatbot Arena Group Goes From Academic Project to $600 Million Startup - Bloomberg.com

Chatbot Arena Group Goes From Academic Project to $600 Million Startup Bloomberg.com

AI Benchmarking Platform LMArena Raises $100 Mn in Funding | AIM - Analytics India Magazine

AI Benchmarking Platform LMArena Raises $100 Mn in Funding | AIM Analytics India Magazine

Google unveils AP2 open protocol for agent payments - TestingCatalog

Google unveils AP2 open protocol for agent payments TestingCatalog

LM Arena, the organization behind popular AI leaderboards, lands $100M - Yahoo

LM Arena, the organization behind popular AI leaderboards, lands $100M Yahoo

LMArena Gets $100M at $600M Valuation for AI Model Testing - WinBuzzer

LMArena Gets $100M at $600M Valuation for AI Model Testing WinBuzzer

Alibaba’s Qwen3 and Moonshot’s Kimi-K2 storm into global AI rankings - South China Morning Post

Alibaba’s Qwen3 and Moonshot’s Kimi-K2 storm into global AI rankings South China Morning Post

Meta's Llama 4 models show promise on standard tests, but struggle with long-context tasks - the-decoder.com

Meta's Llama 4 models show promise on standard tests, but struggle with long-context tasks the-decoder.com

Chatbot Arena Raises $100 Million for Platform That Compares AI Models - PYMNTS.com

Chatbot Arena Raises $100 Million for Platform That Compares AI Models PYMNTS.com

Figuring out which AI model is right for you is harder than you think - businessinsider.com

Figuring out which AI model is right for you is harder than you think businessinsider.com

Watch LMArena Co-Founders on the Future of AI Rankings - Bloomberg.com

Watch LMArena Co-Founders on the Future of AI Rankings Bloomberg.com

Nano Banana, a Mysterious AI Model with Overwhelming Performance - 디자인 나침반

Nano Banana, a Mysterious AI Model with Overwhelming Performance 디자인 나침반

Meta accused of Llama 4 bait-and-switch to juice AI benchmark rank - theregister.com

Meta accused of Llama 4 bait-and-switch to juice AI benchmark rank theregister.com

Which company has best AI model end of Augus... - Polymarket

Which company has best AI model end of Augus... Polymarket

Google’s Gemini 2.5 Pro model tops LMArena by close to 40 points, outperforms competitors in scientific reasoning - R&D World

Google’s Gemini 2.5 Pro model tops LMArena by close to 40 points, outperforms competitors in scientific reasoning R&D World

AI Benchmarking Platform Chatbot Arena Forms New Company, Launches LMArena - WinBuzzer

AI Benchmarking Platform Chatbot Arena Forms New Company, Launches LMArena WinBuzzer

Experts Challenge Validity and Ethics of Crowdsourced AI Benchmarks Like LMArena (Chatbot Arena) - WinBuzzer

Experts Challenge Validity and Ethics of Crowdsourced AI Benchmarks Like LMArena (Chatbot Arena) WinBuzzer

A16z leads $100m seed funding for AI startup LM Arena - Tech in Asia

A16z leads $100m seed funding for AI startup LM Arena Tech in Asia

You can track the top AI image generators via this new leaderboard - and vote for your favorite too - ZDNET

You can track the top AI image generators via this new leaderboard - and vote for your favorite too ZDNET

LMArena Raises $100M to Scale AI Model Evaluation Platform at $600M Valuation - AI Insider

LMArena Raises $100M to Scale AI Model Evaluation Platform at $600M Valuation AI Insider

Gemini 2.0 Flash Thinking: Google's smallest model takes lead in Chatbot Arena - the-decoder.com

Gemini 2.0 Flash Thinking: Google's smallest model takes lead in Chatbot Arena the-decoder.com

Mystery AI models on LM Arena: Grok 3 or Opus 3.5 or o3? - TestingCatalog

Mystery AI models on LM Arena: Grok 3 or Opus 3.5 or o3? TestingCatalog

AI war heats up: OpenAI’s GPT-4.5 tops charts, but Elon Musk says its reign won’t last — Is xAI ready to s - The Economic Times

AI war heats up: OpenAI’s GPT-4.5 tops charts, but Elon Musk says its reign won’t last — Is xAI ready to s The Economic Times

Meta Releases Llama 4 AI Models; Beats GPT-4o and Grok 3 in LMArena - Beebom

Meta Releases Llama 4 AI Models; Beats GPT-4o and Grok 3 in LMArena Beebom

Which company has best AI model end of 2025?... - Polymarket

Which company has best AI model end of 2025?... Polymarket

Gemma 3 sets new benchmarks for open compact models with top score on LMarena - TestingCatalog

Gemma 3 sets new benchmarks for open compact models with top score on LMarena TestingCatalog

Google AI Studio unveils new model now ranked #1 on Lmarena - TestingCatalog

Google AI Studio unveils new model now ranked #1 on Lmarena TestingCatalog

Grok 3 Has Better Reasoning Than ChatGPT: Experts React To Elon Musk, xAI's Latest Chatbot - International Business Times

Grok 3 Has Better Reasoning Than ChatGPT: Experts React To Elon Musk, xAI's Latest Chatbot International Business Times

Mistral AI Unveils Codestral 25.01 - X

Mistral AI Unveils Codestral 25.01 X

Google debuts top-ranking Gemini-exp-1121 model with 2M context window - TestingCatalog

Google debuts top-ranking Gemini-exp-1121 model with 2M context window TestingCatalog

Google's new experimental Gemini model leads AI rankings until you strip away the formatting - the-decoder.com

Google's new experimental Gemini model leads AI rankings until you strip away the formatting the-decoder.com

How to Use Grok 3 For Free - Analytics Insight

How to Use Grok 3 For Free Analytics Insight

Experimental AI models from OpenAI and Google flood lmarena - TestingCatalog

Experimental AI models from OpenAI and Google flood lmarena TestingCatalog

LM Arena Under Fire: Allegations of Benchmark Bias Stir AI Industry - OpenTools

LM Arena Under Fire: Allegations of Benchmark Bias Stir AI Industry OpenTools

Nano-Banana AI Model Goes Viral on LMArena with 2.5M Votes Pre-Release: Unprecedented AI Community Engagement - Blockchain News

Nano-Banana AI Model Goes Viral on LMArena with 2.5M Votes Pre-Release: Unprecedented AI Community Engagement Blockchain News

LMArena Transforms from Campus Project to AI Powerhouse: $600M Valuation on the Horizon! | AI News - OpenTools

LMArena Transforms from Campus Project to AI Powerhouse: $600M Valuation on the Horizon! | AI News OpenTools

GPT-5 Becomes Top Model On Artificial Analysis Intelligence Index, LMArena - OfficeChai

GPT-5 Becomes Top Model On Artificial Analysis Intelligence Index, LMArena OfficeChai

Google Hints It’s Behind The Viral Nano-Banana Image Generation AI Model - OfficeChai

Google Hints It’s Behind The Viral Nano-Banana Image Generation AI Model OfficeChai

How to use Grok 2 for Free without Premium Subscription - Gadgets To Use

How to use Grok 2 for Free without Premium Subscription Gadgets To Use

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