What is the difference between GPT-5 Pro and Mistral Large 3 2512?

GPT-5 Pro is developed by OpenAI while Mistral Large 3 2512 is developed by Mistral AI. You can compare their actual outputs across 42 challenges on Rival to see how they differ in practice.

Which is better, GPT-5 Pro or Mistral Large 3 2512?

It depends on your use case. GPT-5 Pro and Mistral Large 3 2512 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 can I compare GPT-5 Pro and Mistral Large 3 2512 on Rival?

This page shows a side-by-side comparison of GPT-5 Pro and Mistral Large 3 2512 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 Dec 2025

GPT-5 ProvsMistral Large 3 2512

Mistral Large 3 2512 is the newer model, released after GPT-5 Pro.

GPT-5 Pro and Mistral Large 3 2512 compared across 42 shared prompts
Spec	GPT-5 Pro	Mistral Large 3 2512
Input price	$15/M tokens	—
Output price	$120/M tokens	—
Context window	400K tokens	—
Weights	Closed	Open
Free API (OpenRouter)	No	No
Released	Oct 2025	Dec 2025
LiveCodeBench	54.3%	82.8%