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  5. GPT-6 LunavsMiMo-V2.6-Flash
Updated Sep 2026

GPT-6 LunavsMiMo-V2.6-Flash

GPT-6 Luna is cheaper than MiMo-V2.6-Flash at $0.1/M vs $0.14/M input tokens.

GPT-6 Luna and MiMo-V2.6-Flash compared across 10 shared prompts
SpecGPT-6 LunaMiMo-V2.6-Flash
Input price$0.1/M tokens$0.14/M tokens
Output price$0.5/M tokens$0.28/M tokens
Context window1.1M tokens1.0M tokens
WeightsClosed—
Free API (OpenRouter)NoNo
ReleasedSep 2026Sep 2026
Side by side

Same prompt, both answers

Opening lines from 5 of the 10 prompts both answered. Formatting stripped, words untouched.

Simple 7-Ingredient Recipe

Create a simple recipe for a delicious dish (sweet or savory) using only 7 common pantry ingredients. Include a creative name for the dish…

GPT-6 Luna113 words
Crispy Parmesan Chickpeas A crunchy, savory snack with a cheesy finish Ingredients (7): 1 can chickpeas, drained and dried 1 tablespoon olive oil ½ teaspoon salt ½ teaspoon paprika ¼ teaspoon garlic powder ¼ cup grated Parmesan 1 tablespoon lemon juice Prep time: 5 minutes Cook time: 30–35 minutes Instructions: Heat…
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MiMo-V2.6-Flash199 words
🍯 Golden Honey-Pepper Skillet Pasta A warm, savory-sweet pasta that tastes like comfort in a bowl. 7 Pantry Ingredients: Pasta (spaghetti or penne) Olive oil (or butter) Garlic Honey Soy sauce Red pepper flakes Salt & pepper (counted as one pantry staple) ⏱️ Times Prep Time 5 minutes Cook Time 12 minutes Total ~17…
Read the full answer

Adversarial Contract Review

Here is a contract for a software consulting engagement: --- SOFTWARE CONSULTING AGREEMENT This Agreement is entered into between TechCorp…

GPT-6 Luna2,040 words
This agreement is strongly one-sided. The enforceability of particular terms—especially the non-compete, liability provisions, and arbitration clause—depends on the governing law and the facts. The agreement does not identify a governing law, which is itself a significant gap.
Read the full answer
MiMo-V2.6-Flash3,600 words
Analysis of Software Consulting Agreement Overview This agreement is extraordinarily one-sided in favor of Client. Nearly every clause contains provisions that could be exploited against the Contractor. Below is a clause-by-clause analysis with specific suggested modifications.
Read the full answer

Beginner's Longevity Plan

Outline a simple, actionable 1-month plan for someone starting their journey towards better health and longevity. Focus on 3 key areas…

GPT-6 Luna330 words
A simple 1-month starter plan Choose three foundations: food, movement, and sleep. Aim for steady habits, not perfection. If you have a health condition, significant pain, or concerns about changing your activity or diet, check with a healthcare professional first.
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MiMo-V2.6-Flash939 words
🌱 Your 1-Month Health & Longevity Starter Plan Philosophy: Don't overhaul everything at once. Build one small habit per week, and let them stack. 📌 The 3 Pillars Nourish — Dietary changes Move — Physical activity Restore — Sleep & stress management Week 1: Foundation (Focus: Awareness) 🥗 Nourish Audit your plate…
Read the full answer

Startup Pitch Teardown

Here's a pitch deck summary for a startup called "MindMeld AI": **Slide 1 - Vision:** "We're building the future of human-AI collaboration.…

GPT-6 Luna421 words
“94% accuracy” and “predict what you want to type before you think it” Why it’s weak: This is the deck’s central technical claim, but “accuracy” is undefined: Is it word-level or character-level accuracy, measured on a fixed vocabulary or open-ended text, and under what conditions?
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MiMo-V2.6-Flash1,530 words
The 3 Weakest Claims in the MindMeld AI Pitch Weakness #1: The $180B TAM (Slide 4) Why It's Weak This is the most internally contradictory claim in the entire deck.
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Explain Like I'm a Specific Expert

Explain how a large language model (like GPT or Claude) learns and generates text to each of these three audiences: 1. **An experienced…

GPT-6 Luna672 words
For an experienced software engineer A language model is trained on many text sequences, split into tokens—roughly word fragments, not necessarily whole words. During training, it repeatedly sees a prefix and tries to predict the next token.
Read the full answer
MiMo-V2.6-Flash1,411 words
How LLMs Learn and Generate Text — Three Audience-Specific Explanations For the Experienced Software Engineer Think of it as an absurdly deep cache with no eviction policy.
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Our Verdict
GPT-6 Luna
GPT-6 Luna
MiMo-V2.6-Flash
MiMo-V2.6-Flash

Not enough votes to call it. On the specs, nothing separates them.

Too close to call
API pricing

Cost per 1M tokens

GPT-6 Luna
Input
$0.10
1.4× cheaper
Output
$0.50
MiMo-V2.6-Flash
Input
$0.14
Output
$0.28
1.8× cheaper

GPT-6 Luna wins input (1.4× cheaper)·MiMo-V2.6-Flash wins output (1.8× cheaper)

Where to run it

5 hosts, cheapest first

GPT-6 Luna3 hosts
HostInOutContextUptime
Azure AI Foundry$0.10 in·$0.50 out·1.1M·88.4% upOpenAI$0.10 in·$0.50 out·1.1M·99.9% upAmazon Bedrock$0.11 in·$0.55 out·1.1M·99.8% up
MiMo-V2.6-Flash2 hosts
HostInOutContextUptime
DDeepInfrafp8$0.14 in·$0.28 out·1M·88% upXiaomifp8$0.14 in·$0.28 out·1M·99% up

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 is developed by OpenAI while MiMo-V2.6-Flash is developed by Xiaomi. GPT-6 Luna has a 1.1M token context window vs MiMo-V2.6-Flash's 1.0M. You can compare their actual outputs across 10 challenges on Rival to see how they differ in practice.

It depends on your use case. GPT-6 Luna and MiMo-V2.6-Flash each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 10 challenges so you can judge which fits your needs best.

GPT-6 Luna costs $0.1/M input tokens and MiMo-V2.6-Flash costs $0.14/M input tokens. GPT-6 Luna is $0.04/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 and MiMo-V2.6-Flash 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 logo
GPT-6 Luna20 outputs, specs and price
MiMo-V2.6-Flash logo
MiMo-V2.6-Flash10 outputs, specs and price
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