What is the difference between GPT OSS 120B and MiniMax M3?

GPT OSS 120B is developed by OpenAI while MiniMax M3 is developed by MiniMax. GPT OSS 120B has a 131K token context window vs MiniMax M3's 1.0M. You can compare their actual outputs across 52 challenges on Rival to see how they differ in practice.

Which is better, GPT OSS 120B or MiniMax M3?

It depends on your use case. GPT OSS 120B and MiniMax M3 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 52 challenges so you can judge which fits your needs best.

How much does GPT OSS 120B cost compared to MiniMax M3?

GPT OSS 120B costs $0.18/M input tokens and MiniMax M3 costs $0.3/M input tokens. GPT OSS 120B is $0.12/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare GPT OSS 120B and MiniMax M3 on Rival?

This page shows a side-by-side comparison of GPT OSS 120B and MiniMax M3 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

GPT OSS 120BvsMiniMax M3

GPT OSS 120B is cheaper than MiniMax M3 at $0.18/M vs $0.3/M input tokens.

GPT OSS 120B and MiniMax M3 compared across 52 shared prompts
Spec	GPT OSS 120B	MiniMax M3
Input price	$0.18/M tokens	$0.3/M tokens
Output price	$0.8/M tokens	$1.2/M tokens
Context window	131K tokens	1.0M tokens
Weights	Open	Open
Free API (OpenRouter)	No	No
Released	Aug 2025	Jun 2026