# Spline Arena: which AI builds better 3D scenes? (https://spline.design/arena)

> AI models build 3D scenes in Spline from the same prompt and you vote blind on the better one. Every vote moves the public rankings.

# The AI leaderboard for 3D, ranked by votes in Spline Arena

Two models get the same prompt and each builds a scene in Spline. **You vote for the better one**, and every vote moves the rankings.

[Vote in the arena](https://app.spline.design/arena)[See the rankings](https://app.spline.design/arena/rankings)

PromptA bicycle you could ride to work

## Comparing frontier models from

How it works

## Two models, one prompt, your vote

Look at two finished scenes, pick the better one, and every vote feeds the rankings.

1. 01  
### Prompt  
Two models built a 3D scene from the same prompt using Spline.
2. 02  
### Vote  
Orbit both and pick the better one: A, B, a tie, or both bad.
3. 03  
### Claim credits  
Reach the day’s goal and claim free AI credits.

Benchmark

## A leaderboard for 3D, voted by people

Every vote adds up to the rankings: which models build the best scenes, and which do it for less.

- **Win rate**How each model does against the average one, with a confidence interval.
- **Score vs. cost**The frontier of models no other beats on both.

Why Spline Arena

## Better models, better results

1. 01  
### See what works  
Every vote shows which models build 3D well, and where they still fall short.
2. 02  
### Improve the models  
That signal helps the models, and the scenes they make in Spline, get better.
3. 03  
### Unlock creative freedom  
Better models mean you get better results in Spline, faster.

FAQ

## Questions, answered

Do I need an account to vote?

Yes, a free Spline account. It lets us monitor voting, and lets you claim free AI credits.

Which models are in the arena?

Models from Anthropic, OpenAI, Google, xAI and others. The lineup changes as new models ship, and the Rankings list every one competing.

How are the rankings calculated?

A Bradley–Terry model is fitted to every head-to-head vote, and bootstrapping gives each score a confidence interval, so close calls look close.

How do rewards work?

Reaching the day’s vote goal lets you claim free AI credits in the arena. Take your time and consider each vote, as careful votes carry more weight.

Why is Spline running Spline Arena?

To find out which models build 3D well and help them improve, so you get better results, faster.

What happens to my votes?

They feed the public Rankings and let you claim free AI credits. They may also be shared, de-identified, with AI research partners.

## Cast your first vote

Sign in with a free Spline account and help rank the models that build in 3D.

[Start voting](https://app.spline.design/arena)[See the rankings](https://app.spline.design/arena/rankings)

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