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  5. Andromeda AlphavsGPT-6 Luna
Updated Sep 2026

Andromeda AlphavsGPT-6 Luna

Andromeda Alpha is cheaper than GPT-6 Luna at $0/M vs $0.1/M input tokens.

Andromeda Alpha and GPT-6 Luna compared across 2 shared prompts
SpecAndromeda AlphaGPT-6 Luna
Input priceFree$0.1/M tokens
Output priceFree$0.5/M tokens
Context window128K tokens1.1M tokens
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedOct 2025Sep 2026
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…

Andromeda Alpha132 words
Dish Name: Moonlit Mug Cake Ingredients (Serves 1): All-purpose flour (½ cup) Sugar (¼ cup) Cinnamon (1 tsp) Salt (¼ tsp) Unsalted butter (3 tbsp, melted) Milk (⅓ cup) Vanilla extract (1 tsp) Instructions: Prep: In a rainproof mug, whisk together flour, sugar, cinnamon, and salt (1–2 mins).
Read the full answer
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…
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…

Andromeda Alpha449 words
1-Month Plan for Better Health & Longevity Focus: Diet, Exercise, Sleep, Stress Management Week 1: Build Foundations Diet Start a simple food diary (phone app like MyFitnessPal) to track meals for 3 days → Identify gaps/nutrient-rich swaps.
Read the full answer
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.
Read the full answer
Our Verdict
GPT-6 Luna
GPT-6 Luna
Andromeda Alpha
Andromeda AlphaRunner-up

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

Slight edge
API pricing

Cost per 1M tokens

Andromeda Alpha
Input
$0.000
Output
$0.000
GPT-6 Luna
Input
$0.10
Output
$0.50
Where to run it

3 hosts, cheapest first

Andromeda Alpha

No hosts listed on OpenRouter.

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

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

Research

What we learned reading every model

FAQ

Common questions

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

It depends on your use case. Andromeda Alpha and GPT-6 Luna 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.

Andromeda Alpha costs $0/M input tokens and GPT-6 Luna costs $0.1/M input tokens. Andromeda Alpha 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 Andromeda Alpha and GPT-6 Luna 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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Model pages

Andromeda Alpha logo
Andromeda Alpha31 outputs, specs and price
GPT-6 Luna logo
GPT-6 Luna20 outputs, specs and price
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