---
title: "StepFun models · Undominated.ai"
canonical: https://undominated.ai/providers/stepfun/
description: "2 models from StepFun in this catalogue, as of 2026-09-23. Unrated is not a score of zero."
---

# StepFun models · Undominated.ai

> 2 models from StepFun in this catalogue, as of 2026-09-23. Unrated is not a score of zero.

[Providers](/providers/)

# StepFun

2 models from StepFun in this catalogue , as of 2026-09-23 . Unrated is not a score of zero.

1 with an Arena score · 2 with both token rates. Counts include delivery variants.

 [Filter the leaderboard](/?p=StepFun)[Inspect seller spreads](/spreads/) [Compare models](https://undominated.ai/compare/) Comparison context

Choose up to three standard models in Compare.

Requirements and prompt length apply in Compare. This page keeps its stated price basis and workload controls.

 - [Step 3.5 Flash](/models/stepfun__step-3.5-flash/)
- [Step 3.7 Flash](/models/stepfun__step-3.7-flash/) unrated

## Continue your investigation

 - [Compare seller prices](/spreads/)
- [Check route differences](/openrouter-vs-direct/)
- [Audit observed spend](/audit/)
- [Inspect price rules](/methodology/)