What is the difference between Grok 3 Mini Beta and MiniMax M3?

Grok 3 Mini Beta is developed by xAI while MiniMax M3 is developed by MiniMax. Grok 3 Mini Beta has a 131K token context window vs MiniMax M3's 1.0M. You can compare their actual outputs across 13 challenges on Rival to see how they differ in practice.

Which is better, Grok 3 Mini Beta or MiniMax M3?

It depends on your use case. Grok 3 Mini Beta and MiniMax M3 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 13 challenges so you can judge which fits your needs best.

How much does Grok 3 Mini Beta cost compared to MiniMax M3?

Grok 3 Mini Beta costs $0.4/M input tokens and MiniMax M3 costs $0.3/M input tokens. MiniMax M3 is $0.10/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 Grok 3 Mini Beta and MiniMax M3 on Rival?

This page shows a side-by-side comparison of Grok 3 Mini Beta 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

Grok 3 Mini BetavsMiniMax M3

MiniMax M3 is cheaper than Grok 3 Mini Beta at $0.3/M vs $0.4/M input tokens.

Grok 3 Mini Beta and MiniMax M3 compared across 13 shared prompts
Spec	Grok 3 Mini Beta	MiniMax M3
Input price	$0.4/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
Free API (OpenRouter)	No	No
Released	Apr 2025	Jun 2026