What is the difference between Riverflow V2.5 Pro and Stable Diffusion 3.5 Medium?

Riverflow V2.5 Pro is developed by Sourceful while Stable Diffusion 3.5 Medium is developed by Stability AI. You can compare their actual outputs across 17 challenges on Rival to see how they differ in practice.

Which is better, Riverflow V2.5 Pro or Stable Diffusion 3.5 Medium?

It depends on your use case. Riverflow V2.5 Pro and Stable Diffusion 3.5 Medium each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 17 challenges so you can judge which fits your needs best.

How can I compare Riverflow V2.5 Pro and Stable Diffusion 3.5 Medium on Rival?

This page shows a side-by-side comparison of Riverflow V2.5 Pro and Stable Diffusion 3.5 Medium across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

Updated Jun 2026

Riverflow V2.5 ProvsStable Diffusion 3.5 Medium

Riverflow V2.5 Pro is the newer model, released after Stable Diffusion 3.5 Medium.

Riverflow V2.5 Pro and Stable Diffusion 3.5 Medium compared across 17 shared prompts
Spec	Riverflow V2.5 Pro	Stable Diffusion 3.5 Medium
Input price	Free	—
Output price	Free	—
Context window	8K tokens	—
Weights	—	Open
Free API (OpenRouter)	No	—
Released	Jun 2026	Oct 2024

Our Verdict

Riverflow V2.5 Pro

Stable Diffusion 3.5 Medium

Not enough votes to call it. On the specs, nothing separates them.

Too close to call

API pricing

Cost per 1M tokens

Riverflow V2.5 Pro

Input

$0.000

Output

$0.000

Stable Diffusion 3.5 Medium

Input

—

Output

—

Where to run it

1 host

Riverflow V2.5 Pro1 host

HostInOutContextUptime

Sourceful$0 in$0 out33k100% up

Stable Diffusion 3.5 Medium

No hosts listed on OpenRouter.

Per million tokens. Prices and uptime via OpenRouter, checked 16 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Cost per 1M tokens

1 host

What we learned reading every model

Common questions

What is the difference between Riverflow V2.5 Pro and Stable Diffusion 3.5 Medium?

Which is better, Riverflow V2.5 Pro or Stable Diffusion 3.5 Medium?

How can I compare Riverflow V2.5 Pro and Stable Diffusion 3.5 Medium on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages

Cost per 1M tokens

1 host

What we learned reading every model

Common questions

What is the difference between Riverflow V2.5 Pro and Stable Diffusion 3.5 Medium?

Which is better, Riverflow V2.5 Pro or Stable Diffusion 3.5 Medium?

How can I compare Riverflow V2.5 Pro and Stable Diffusion 3.5 Medium on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages