What is the difference between GPT-6 Astra Pro and MiniMax M2?

GPT-6 Astra Pro is developed by OpenAI while MiniMax M2 is developed by MiniMax. GPT-6 Astra Pro has a 1.1M token context window vs MiniMax M2's 205K. You can compare their actual outputs across 3 challenges on Rival to see how they differ in practice.

Which is better, GPT-6 Astra Pro or MiniMax M2?

It depends on your use case. GPT-6 Astra Pro and MiniMax M2 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 3 challenges so you can judge which fits your needs best.

How much does GPT-6 Astra Pro cost compared to MiniMax M2?

GPT-6 Astra Pro costs $10/M input tokens and MiniMax M2 costs $0/M input tokens. MiniMax M2 is $10.00/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 MiniMax M2 on Rival?

This page shows a side-by-side comparison of GPT-6 Astra Pro and MiniMax M2 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 ProvsMiniMax M2

MiniMax M2 is cheaper than GPT-6 Astra Pro at $0/M vs $10/M input tokens.

GPT-6 Astra Pro and MiniMax M2 compared across 3 shared prompts
Spec	GPT-6 Astra Pro	MiniMax M2
Input price	$10/M tokens	Free
Output price	$50/M tokens	Free
Context window	1.1M tokens	205K tokens
Weights	Closed	Open
Free API (OpenRouter)	No	No
Released	Sep 2026	Oct 2025

Our Verdict

GPT-6 Astra Pro

MiniMax M2Runner-up

Not enough votes to call it. On the specs, GPT-6 Astra Pro has the edge: bigger model tier, newer, bigger context window, major provider backing.

Slight edge

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

GPT-6 Astra Pro

Input

$10.00

Output

$50.00

MiniMax M2

Input

$0.000

Output

$0.000

Where to run it

2 hosts

GPT-6 Astra Pro2 hosts

HostInOutContextUptime

Azure AI Foundry$10.00 in$50.00 out1.1M98.9% up OpenAI$10.00 in$50.00 out1.1M99.6% up

MiniMax M2

No hosts listed on OpenRouter.

Per million tokens. Prices and uptime via OpenRouter, checked 16 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Cost per 1M tokens

2 hosts

What we learned reading every model

Common questions

What is the difference between GPT-6 Astra Pro and MiniMax M2?

Which is better, GPT-6 Astra Pro or MiniMax M2?

How much does GPT-6 Astra Pro cost compared to MiniMax M2?

How can I compare GPT-6 Astra Pro and MiniMax M2 on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages

Cost per 1M tokens

2 hosts

What we learned reading every model

Common questions

What is the difference between GPT-6 Astra Pro and MiniMax M2?

Which is better, GPT-6 Astra Pro or MiniMax M2?

How much does GPT-6 Astra Pro cost compared to MiniMax M2?

How can I compare GPT-6 Astra Pro and MiniMax M2 on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages