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  5. Gemini Pro 1.0vsGPT-6 Luna Pro
Updated Sep 2026

Gemini Pro 1.0vsGPT-6 Luna Pro

GPT-6 Luna Pro is cheaper than Gemini Pro 1.0 at $0.1/M vs $0.5/M input tokens.

Gemini Pro 1.0 and GPT-6 Luna Pro compared across 2 shared prompts
SpecGemini Pro 1.0GPT-6 Luna Pro
Input price$0.5/M tokens$0.1/M tokens
Output price$1.5/M tokens$0.5/M tokens
Context window33K tokens1.1M tokens
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedDec 2023Sep 2026
Our Verdict
GPT-6 Luna Pro
GPT-6 Luna Pro
Gemini Pro 1.0
Gemini Pro 1.0Runner-up

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

GPT-6 Luna Pro costs 3.0x less per token.

Too close to call
API pricing

Cost per 1M tokens

Gemini Pro 1.0
Input
$0.50
Output
$1.50
GPT-6 Luna Pro
Input
$0.10
5.0× cheaper
Output
$0.50
3.0× cheaper

GPT-6 Luna Pro is cheaper on both: 5.0× input, 3.0× output.

Where to run it

2 hosts

Gemini Pro 1.0

No hosts listed on OpenRouter.

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

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

Research

What we learned reading every model

FAQ

Common questions

Gemini Pro 1.0 is developed by Google AI while GPT-6 Luna Pro is developed by OpenAI. Gemini Pro 1.0 has a 33K token context window vs GPT-6 Luna Pro'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. Gemini Pro 1.0 and GPT-6 Luna Pro 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.

Gemini Pro 1.0 costs $0.5/M input tokens and GPT-6 Luna Pro costs $0.1/M input tokens. GPT-6 Luna Pro is $0.40/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 Gemini Pro 1.0 and GPT-6 Luna Pro 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.

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Model pages

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Gemini Pro 1.028 outputs, specs and price
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GPT-6 Luna Pro20 outputs, specs and price
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