What is the difference between GPT-5.6 Luna and Ox Alpha?

GPT-5.6 Luna is developed by OpenAI while Ox Alpha is developed by OpenRouter. GPT-5.6 Luna has a 1.1M token context window vs Ox Alpha's 1.0M. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.6 Luna or Ox Alpha?

It depends on your use case. GPT-5.6 Luna and Ox Alpha each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How much does GPT-5.6 Luna cost compared to Ox Alpha?

GPT-5.6 Luna costs $1/M input tokens and Ox Alpha costs $0/M input tokens. Ox Alpha is $1.00/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-5.6 Luna and Ox Alpha on Rival?

This page shows a side-by-side comparison of GPT-5.6 Luna and Ox Alpha 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.

What is the difference between GPT-5.6 Luna and Ox Alpha?

GPT-5.6 Luna is developed by OpenAI while Ox Alpha is developed by OpenRouter. GPT-5.6 Luna has a 1.1M token context window vs Ox Alpha's 1.0M. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.6 Luna or Ox Alpha?

It depends on your use case. GPT-5.6 Luna and Ox Alpha each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How much does GPT-5.6 Luna cost compared to Ox Alpha?

GPT-5.6 Luna costs $1/M input tokens and Ox Alpha costs $0/M input tokens. Ox Alpha is $1.00/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-5.6 Luna and Ox Alpha on Rival?

This page shows a side-by-side comparison of GPT-5.6 Luna and Ox Alpha 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.

GPT-5.6 Luna vs Ox Alpha: Which Is Better?

Updated Aug 2026

Our Verdict

Ox Alpha

GPT-5.6 LunaRunner-up

No community votes yet. On paper, Ox Alpha has the edge — bigger model tier, newer.

Too close to call

What do GPT-5.6 Luna and Ox Alpha say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

GPT-5.6 Luna

Input

$1.00

Output

$6.00

Ox Alpha

Input

$0.000

Output

$0.000

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

GPT-5.6 Luna vs MiniMax M3New provider

Ox Alpha vs GPT-5Cross-provider

GPT-5.6 Luna vs Gemini 3.6 FlashNew provider

Updated Aug 2026

Our Verdict

Ox Alpha

GPT-5.6 LunaRunner-up

No community votes yet. On paper, Ox Alpha has the edge — bigger model tier, newer.

Too close to call

What do GPT-5.6 Luna and Ox Alpha say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

GPT-5.6 Luna

Input

$1.00

Output

$6.00

Ox Alpha

Input

$0.000

Output

$0.000

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

GPT-5.6 Luna vs MiniMax M3New provider

Ox Alpha vs GPT-5Cross-provider

GPT-5.6 Luna vs Gemini 3.6 FlashNew provider