Updated Mar 18, 2026

Our Verdict

MiMo-V2-Pro

GPT OSS 20BRunner-up

No community votes yet. On paper, MiMo-V2-Pro has the edge — bigger model tier, newer, bigger context window.

GPT OSS 20B is 30x cheaper per token — worth considering if cost matters.

Too close to call

vs

Ask them anything yourself

MiMo-V2-Pro

GPT OSS 20B

FAQ

Keep going

GPT OSS 20B vs MiniMax M2.5New provider

MiMo-V2-Pro vs Pony AlphaNew provider

GPT OSS 20B vs Claude Opus 4.1New provider

MiMo-V2-ProvsGPT OSS 20B

30 fights queued

Why MiMo-V2-Pro?

8x more context1.0M

8 months newerMar 2026

Why GPT OSS 20B?

32.4x cheaper overall$0.02/M in · $0.10/M out

MiMo-V2-ProGPT OSS 20B

Input price

$1.00/M

$0.02/M

Output price

$3.00/M

$0.10/M

Context

1.0M

131K

Released

Mar 2026

Aug 2025

Favorites

MiMo-V2-ProGPT OSS 20B

Movie

The Matrix

The Matrix

—

Album

The Dark Side of the Moon

The Dark Side of the Moon

—

Book

The Devil's Dictionary

The Devil's Dictionary

—

City

Beijing

—

Game

Minecraft

Minecraft

Action, Arcade4.4

—

12 / 30

01

Estimate Complexityreasoning

Tests an AI's ability to make educated estimates based on technical knowledge

MiMo-V2-Pro

MiMo-V2-Pro

Xiaomi · Mar 2026text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

GPT OSS 20B

GPT OSS 20B

Openai · Aug 2025text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

2 / 30

02

AI Board Game Logicreasoning

Tests an AI's ability to understand game rules and strategy

MiMo-V2-Pro

MiMo-V2-Pro

Xiaomi · Mar 2026svg

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

GPT OSS 20B

GPT OSS 20B

Openai · Aug 2025svg

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

3 / 30

03

Stochastic Consistency Testanalysis

Tests an AI's randomness and creativity

MiMo-V2-Pro

MiMo-V2-Pro

Xiaomi · Mar 2026text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

GPT OSS 20B

GPT OSS 20B

Openai · Aug 2025text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

4 / 30

04

SVG Layout Challengeimage generation

Tests an AI's ability to generate vector graphics

MiMo-V2-Pro

MiMo-V2-Pro

Xiaomi · Mar 2026svg

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

GPT OSS 20B

GPT OSS 20B

Openai · Aug 2025svg

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

5 / 30

05

Generate a Stand-Up Routineconversation

Tests an AI's humor and creative writing ability

MiMo-V2-Pro

MiMo-V2-Pro

Xiaomi · Mar 2026text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

GPT OSS 20B

GPT OSS 20B

Openai · Aug 2025text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

6 / 30

06

Realistic AI Interviewconversation

Tests an AI's ability to simulate personalities and predict future trends

MiMo-V2-Pro

MiMo-V2-Pro

Xiaomi · Mar 2026text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

GPT OSS 20B

GPT OSS 20B

Openai · Aug 2025text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

7 / 30

07

Satirical Fake News Headlineconversation

Tests an AI's humor and understanding of current events

MiMo-V2-Pro

MiMo-V2-Pro

Xiaomi · Mar 2026text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

GPT OSS 20B

GPT OSS 20B

Openai · Aug 2025text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

8 / 30

08

Character Voice Testconversation

Tests an AI's ability to write in distinct character voices

MiMo-V2-Pro

MiMo-V2-Pro

Xiaomi · Mar 2026text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

GPT OSS 20B

GPT OSS 20B

Openai · Aug 2025text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

9 / 30

09

Pokémon Battle UI Recreationweb design

Recreate an interactive, nostalgic Pokémon battle UI in a single HTML file.

MiMo-V2-Pro

MiMo-V2-Pro

Xiaomi · Mar 2026website

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

GPT OSS 20B

GPT OSS 20B

Openai · Aug 2025website

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

10 / 30

10

Three.js 3D Gameweb design

Create a 3D building and driving game in a single self-contained HTML file using Three.js. Tests an AI's ability to combine 3D graphics, game logic, and UI interactions on the web.

MiMo-V2-Pro

MiMo-V2-Pro

Xiaomi · Mar 2026html

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

GPT OSS 20B

GPT OSS 20B

Openai · Aug 2025html

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

11 / 30

11

Linear App Cloneweb design

Tests an AI's ability to replicate an existing UI with Tailwind CSS

MiMo-V2-Pro

MiMo-V2-Pro

Xiaomi · Mar 2026website

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

GPT OSS 20B

GPT OSS 20B

Openai · Aug 2025website

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

12 / 30

12

Interactive Catan Boardweb design

Tests an AI's ability to create interactive web elements

MiMo-V2-Pro

MiMo-V2-Pro

Xiaomi · Mar 2026website

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

GPT OSS 20B

GPT OSS 20B

Openai · Aug 2025website

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

This matchup has more rounds

18+ more head-to-head results. Free. Not a trick.

Free account. No card required. By continuing, you agree to Rival's Terms and Privacy Policy