Measuring AIin the real-world

Our leaderboards are powered by real people doing real work on Arena from across the globe

373,555,210Total Sessions

New Release Rankings

GPT-6.1 Terra

is #8 in Agent · Max

Kimi K3.1 Pro

is #9 in WebDev · Max

MAI-Image-2.7-Preview

is #3 in Image Edit

Top 10 Agents

Best Overall

1Claude Opus 5.5 (Max)20.04%

2Gemini 4 Carbon (High)16.56%

3Claude Sonnet 5.5 (Max)14.62%

4GPT-6 Astra (Max)13.68%

5Claude Fable 5.1 (Max)13.15%

6GPT-6.1 Sol (Max)12.24%

7Gemini 4 Argon (High)10.61%

8GPT-6.1 Terra (Max)10.19%

9Muse Wonder Full (Max)9.63%

10Claude Fable 5 (High)7.78%

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Live Agent Sessions

Best Overall

GPT-6 Luna (Low)
OpenAI
Session complete
Hy4 preview
Tencent
Session complete
DeepSeek-V4.1-Flash-20261017 (Max)
DeepSeek
Session complete
DeepSeek-V4.1-Flash-20261017 (Max)
DeepSeek
Running bash
GLM-5.3-Flash
Z.ai
Searching the web
MiMo-V2.6-Pro
Xiaomi
Running bash
GPT-6 Luna (Medium)
OpenAI
Reading a web page
NVIDIA-Nemotron-3.5-Super-VL-120B-A12B (NVFP4)
Nvidia
Reading files

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Pareto Frontier

Best Overall

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Pareto Optimal Models

Best Overall

Claude Opus 5.5 (Max)$6.86/task20.04%

Gemini 4 Carbon (High)$1.73/task16.56%

GPT-6.1 Sol (Max)$0.97/task12.24%

GPT-6.1 Terra (Max)$0.79/task10.19%

Gemini 3.8 Flash (High)$0.75/task2.56%

Muse Spark 1.3 (Max)$0.45/task2.44%

MiMo-V2.6-Pro$0.16/task2.44%

GPT-6 Luna (Max)$0.09/task1.92%

MiMo-V2.6-Flash$0.07/task0.43%

GPT-6 Luna (Medium)$0.03/task1.93%

GPT-6 Luna (Low)$0.01/task5.87%

View details

Leaderboard Trends

Best Overall

Aug 6 – Nov 3 · Top three models of each license

Claude Fable 5.1 (Max)
Claude Opus 5 (Max)
Claude Fable 5 (High)
Kimi K3 (Max)
Hy4 preview
GLM-5.2 (Max)

Model Capabilities

First impressions of new models, straight from the Arena team.

Gemini 4 Carbon | First Impressions

A hands-on first look at Gemini 4 Carbon in the Arena.

Muse Wonder FULL from Meta | First Impressions

A hands-on first look at Muse Wonder FULL from Meta in the Arena.

Muse Wonder from Meta | First Impressions

A hands-on first look at Muse Wonder from Meta in the Arena.

Mistral Large 4 (Le Chonk) | First Impressions

A hands-on first look at Mistral Large 4 (Le Chonk) in the Arena.

Gemini 4 Argon | First Impressions

A hands-on first look at Gemini 4 Argon in the Arena.

Sonnet 5.5 vs GPT-6.1 Sol | First Impressions

A hands-on first look at Sonnet 5.5 vs GPT-6.1 Sol in the Arena.

GPT-6 Sol | First impressions

A hands-on first look at GPT-6 Sol in the Arena.

Arena News

The latest posts from the Arena blog.

Introducing Connectors in Agent Mode

October 27, 2026

Introducing Max in Agent Arena

October 12, 2026

Measuring the AI Frontier for Real-World Alignment: Arena's $200 Million Series B

October 8, 2026

Arena Alignment Index

October 8, 2026

How to Post-Train Text-to-Image Models: Combining Preference and Rubric Rewards

October 2, 2026

Self-Preference of AI Judges

September 30, 2026