What is the difference between Claude Sonnet 4.5 and MiniMax M3?

Claude Sonnet 4.5 is developed by Anthropic while MiniMax M3 is developed by MiniMax. Claude Sonnet 4.5 has a 200K token context window vs MiniMax M3's 1.0M. You can compare their actual outputs across 42 challenges on Rival to see how they differ in practice.

Which is better, Claude Sonnet 4.5 or MiniMax M3?

It depends on your use case. Claude Sonnet 4.5 and MiniMax M3 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 42 challenges so you can judge which fits your needs best.

How much does Claude Sonnet 4.5 cost compared to MiniMax M3?

Claude Sonnet 4.5 costs $3/M input tokens and MiniMax M3 costs $0.3/M input tokens. MiniMax M3 is $2.70/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 Claude Sonnet 4.5 and MiniMax M3 on Rival?

This page shows a side-by-side comparison of Claude Sonnet 4.5 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

Claude Sonnet 4.5vsMiniMax M3

MiniMax M3 is cheaper than Claude Sonnet 4.5 at $0.3/M vs $3/M input tokens.

Claude Sonnet 4.5 and MiniMax M3 compared across 42 shared prompts
Spec	Claude Sonnet 4.5	MiniMax M3
Input price	$3/M tokens	$0.3/M tokens
Output price	$15/M tokens	$1.2/M tokens
Context window	200K tokens	1.0M tokens
Weights	Closed	Open
Free API (OpenRouter)	No	No
Released	Sep 2025	Jun 2026