What is the difference between GPT-6 Astra Pro and Mistral Large 2?

GPT-6 Astra Pro is developed by OpenAI while Mistral Large 2 is developed by Mistral AI. GPT-6 Astra Pro has a 1.1M token context window vs Mistral Large 2's 128K. You can compare their actual outputs across 2 challenges on Rival to see how they differ in practice.

Which is better, GPT-6 Astra Pro or Mistral Large 2?

It depends on your use case. GPT-6 Astra Pro and Mistral Large 2 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 2 challenges so you can judge which fits your needs best.

How much does GPT-6 Astra Pro cost compared to Mistral Large 2?

GPT-6 Astra Pro costs $10/M input tokens and Mistral Large 2 costs $8/M input tokens. Mistral Large 2 is $2.00/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-6 Astra Pro and Mistral Large 2 on Rival?

This page shows a side-by-side comparison of GPT-6 Astra Pro and Mistral Large 2 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 Sep 2026

GPT-6 Astra ProvsMistral Large 2

Mistral Large 2 is cheaper than GPT-6 Astra Pro at $8/M vs $10/M input tokens.

GPT-6 Astra Pro and Mistral Large 2 compared across 2 shared prompts
Spec	GPT-6 Astra Pro	Mistral Large 2
Input price	$10/M tokens	$8/M tokens
Output price	$50/M tokens	$24/M tokens
Context window	1.1M tokens	128K tokens
Weights	Closed	Open
Free API (OpenRouter)	No	No
Released	Sep 2026	Jul 2024