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  5. GPT-6 Luna ProvsMiniMax M2
Updated Sep 2026

GPT-6 Luna ProvsMiniMax M2

MiniMax M2 is cheaper than GPT-6 Luna Pro at $0/M vs $0.1/M input tokens.

GPT-6 Luna Pro and MiniMax M2 compared across 2 shared prompts
SpecGPT-6 Luna ProMiniMax M2
Input price$0.1/M tokensFree
Output price$0.5/M tokensFree
Context window1.1M tokens205K tokens
WeightsClosedOpen
Free API (OpenRouter)NoNo
ReleasedSep 2026Oct 2025
Our Verdict
GPT-6 Luna Pro
GPT-6 Luna Pro
MiniMax M2
MiniMax M2Runner-up

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

Slight edge
API pricing

Cost per 1M tokens

GPT-6 Luna Pro
Input
$0.10
Output
$0.50
MiniMax M2
Input
$0.000
Output
$0.000
Where to run it

2 hosts

GPT-6 Luna Pro2 hosts
HostInOutContextUptime
Azure AI Foundry$0.10 in·$0.50 out·1.1M·98.6% upOpenAI$0.10 in·$0.50 out·1.1M·99.9% up
MiniMax M2

No hosts listed on OpenRouter.

Per million tokens. Prices and uptime via OpenRouter, checked 25 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

GPT-6 Luna Pro is developed by OpenAI while MiniMax M2 is developed by MiniMax. GPT-6 Luna Pro has a 1.1M token context window vs MiniMax M2's 205K. You can compare their actual outputs across 2 challenges on Rival to see how they differ in practice.

It depends on your use case. GPT-6 Luna Pro and MiniMax M2 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.

GPT-6 Luna Pro costs $0.1/M input tokens and MiniMax M2 costs $0/M input tokens. MiniMax M2 is $0.10/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

This page shows a side-by-side comparison of GPT-6 Luna 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.

Keep exploring

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Same lab, same size, long tail

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Model pages

GPT-6 Luna Pro logo
GPT-6 Luna Pro20 outputs, specs and price
MiniMax M2 logo
MiniMax M235 outputs, specs and price
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