What is the difference between GPT-5.4 and MiMo-V2-Pro?

GPT-5.4 is developed by OpenAI while MiMo-V2-Pro is developed by Xiaomi. GPT-5.4 has a 1.1M token context window vs MiMo-V2-Pro's 1.0M. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.4 or MiMo-V2-Pro?

It depends on your use case. GPT-5.4 and MiMo-V2-Pro 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 GPT-5.4 cost compared to MiMo-V2-Pro?

GPT-5.4 costs $2.5/M input tokens and MiMo-V2-Pro costs $1/M input tokens. MiMo-V2-Pro is $1.50/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-5.4 and MiMo-V2-Pro on Rival?

This page shows a side-by-side comparison of GPT-5.4 and MiMo-V2-Pro 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 Mar 2026

GPT-5.4vsMiMo-V2-Pro

MiMo-V2-Pro is cheaper than GPT-5.4 at $1/M vs $2.5/M input tokens.

GPT-5.4 and MiMo-V2-Pro compared across 53 shared prompts
Spec	GPT-5.4	MiMo-V2-Pro
Input price	$2.5/M tokens	$1/M tokens
Output price	$15/M tokens	$3/M tokens
Context window	1.1M tokens	1.0M tokens
Weights	Closed	—
Free API (OpenRouter)	No	No
Released	Mar 2026	Mar 2026