What is the difference between Claude Opus 4.1 and OpenAI o4 Mini High?

Claude Opus 4.1 is developed by Anthropic while OpenAI o4 Mini High is developed by OpenAI. Claude Opus 4.1 has a 200K token context window vs OpenAI o4 Mini High's 200K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Claude Opus 4.1 or OpenAI o4 Mini High?

It depends on your use case. Claude Opus 4.1 and OpenAI o4 Mini High each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How much does Claude Opus 4.1 cost compared to OpenAI o4 Mini High?

Claude Opus 4.1 costs $15/M input tokens and OpenAI o4 Mini High costs $1.1/M input tokens. OpenAI o4 Mini High is $13.90/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 Opus 4.1 and OpenAI o4 Mini High on Rival?

This page shows a side-by-side comparison of Claude Opus 4.1 and OpenAI o4 Mini High 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 Aug 2025

Claude Opus 4.1vsOpenAI o4 Mini High

OpenAI o4 Mini High is cheaper than Claude Opus 4.1 at $1.1/M vs $15/M input tokens.

Claude Opus 4.1 and OpenAI o4 Mini High compared across 53 shared prompts
Spec	Claude Opus 4.1	OpenAI o4 Mini High
Input price	$15/M tokens	$1.1/M tokens
Output price	$75/M tokens	$4.4/M tokens
Context window	200K tokens	200K tokens
Parameters	Not disclosed	Not disclosed
Weights	Closed	Closed
Free API (OpenRouter)	No	No
Released	Aug 2025	Apr 2025
SWE-bench Verified	74.5%	68.1%