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  5. GPT-6 Luna ProvsKimi Linear 48B A3B Instruct
Updated Sep 2026

GPT-6 Luna ProvsKimi Linear 48B A3B Instruct

GPT-6 Luna Pro is cheaper than Kimi Linear 48B A3B Instruct at $0.1/M vs $0.3/M input tokens.

GPT-6 Luna Pro and Kimi Linear 48B A3B Instruct compared across 2 shared prompts
SpecGPT-6 Luna ProKimi Linear 48B A3B Instruct
Input price$0.1/M tokens$0.3/M tokens
Output price$0.5/M tokens$0.6/M tokens
Context window1.1M tokens1.0M tokens
WeightsClosedOpen
Free API (OpenRouter)NoNo
ReleasedSep 2026Nov 2025
Side by side

Same prompt, both answers

Opening lines from every prompt 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 Luna Pro127 words
Golden Pantry Pancakes Fluffy, lightly sweet pancakes made with everyday staples. Makes: About 6 small pancakes Prep time: 5 minutes Cook time: 10 minutes Ingredients 1 cup all-purpose flour 1 cup milk 1 egg 2 tablespoons sugar 1 teaspoon baking powder ¼ teaspoon salt 2 tablespoons butter, melted (plus a little for the…
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Kimi Linear 48B A3B Instruct187 words
Sure! Here's a simple and savory recipe using just 7 common pantry ingredients: Spicy Crunchy Chickpea Snack Bites Sweet and Crunchy Bite-Sized Crunch Ingredients (7 total): 1 can chickpeas (garbanzo beans), drained and rinsed 2 tbsp olive oil 1 tsp smoked paprika 1/2 tsp garlic powder 1/2 tsp ground cumin Salt to…
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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 Luna Pro327 words
A simple 1-month plan for better health and longevity Choose three foundations: eating well, moving regularly, and sleeping consistently. Aim for steady habits, not perfection. Diet: Make nourishing choices easier Week 1: Add one serving of fruit or vegetables to one meal each day.
Read the full answer
Kimi Linear 48B A3B Instruct883 words
1-Month Beginner Blueprint for Health & Longevity Focus on three pillars: Diet, Movement, and Sleep Week 1 – “Build the Foundation” Diet Mon: Clean-out day – remove obvious junk foods from house & desk. Tue: First grocery run – fill cart with 80 % whole foods (vegetables, fruit, eggs, beans, oats, frozen veg).
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Our Verdict
GPT-6 Luna Pro
GPT-6 Luna Pro
Kimi Linear 48B A3B Instruct
Kimi Linear 48B A3B Instruct

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 Pro
Input
$0.10
3.0× cheaper
Output
$0.50
1.2× cheaper
Kimi Linear 48B A3B Instruct
Input
$0.30
Output
$0.60

GPT-6 Luna Pro is cheaper on both: 3.0× input, 1.2× output.

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
Kimi Linear 48B A3B Instruct

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 Kimi Linear 48B A3B Instruct is developed by Moonshot AI. GPT-6 Luna Pro has a 1.1M token context window vs Kimi Linear 48B A3B Instruct's 1.0M. 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 Kimi Linear 48B A3B Instruct 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 Kimi Linear 48B A3B Instruct costs $0.3/M input tokens. GPT-6 Luna Pro is $0.20/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 Kimi Linear 48B A3B Instruct 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

GPT-6 Luna Pro logoGPT-6 Luna logo
GPT-6 Luna Pro vs GPT-6 LunaSame lab
GPT-6 Luna Pro logoGPT-6 Sol logo
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Kimi Linear 48B A3B Instruct vs Kimi K3Same lab
Kimi Linear 48B A3B Instruct logoKimi K2.7 Code logo
Kimi Linear 48B A3B Instruct vs Kimi K2.7 CodeSame lab
GPT-6 Luna Pro logoQwen3 Next 80B A3B Instruct logo
GPT-6 Luna Pro vs Qwen3 Next 80B A3B InstructSame size
GPT-6 Luna Pro logoQwen3 Next 80B A3B Thinking logo
GPT-6 Luna Pro vs Qwen3 Next 80B A3B ThinkingSame size
Kimi Linear 48B A3B Instruct logoQwen3.5 122B A10B logo
Kimi Linear 48B A3B Instruct vs Qwen3.5 122B A10BNew provider
Kimi Linear 48B A3B Instruct logoQwen3.5 27B logo
Kimi Linear 48B A3B Instruct vs Qwen3.5 27BNew provider

Model pages

GPT-6 Luna Pro logo
GPT-6 Luna Pro20 outputs, specs and price
Kimi Linear 48B A3B Instruct logo
Kimi Linear 48B A3B Instruct35 outputs, specs and price
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