What is the difference between Gemini Pro 1.0 and GPT-6 Astra Pro?

Gemini Pro 1.0 is developed by Google AI while GPT-6 Astra Pro is developed by OpenAI. Gemini Pro 1.0 has a 33K token context window vs GPT-6 Astra Pro's 1.1M. You can compare their actual outputs across 1 challenges on Rival to see how they differ in practice.

Which is better, Gemini Pro 1.0 or GPT-6 Astra Pro?

It depends on your use case. Gemini Pro 1.0 and GPT-6 Astra Pro each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 1 challenges so you can judge which fits your needs best.

How much does Gemini Pro 1.0 cost compared to GPT-6 Astra Pro?

Gemini Pro 1.0 costs $0.5/M input tokens and GPT-6 Astra Pro costs $10/M input tokens. Gemini Pro 1.0 is $9.50/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 Gemini Pro 1.0 and GPT-6 Astra Pro on Rival?

This page shows a side-by-side comparison of Gemini Pro 1.0 and GPT-6 Astra 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.

Updated Sep 2026

Gemini Pro 1.0vsGPT-6 Astra Pro

Gemini Pro 1.0 is cheaper than GPT-6 Astra Pro at $0.5/M vs $10/M input tokens.

Gemini Pro 1.0 and GPT-6 Astra Pro compared across 1 shared prompts
Spec	Gemini Pro 1.0	GPT-6 Astra Pro
Input price	$0.5/M tokens	$10/M tokens
Output price	$1.5/M tokens	$50/M tokens
Context window	33K tokens	1.1M tokens
Weights	—	Closed
Free API (OpenRouter)	No	No
Released	Dec 2023	Sep 2026

Our Verdict

GPT-6 Astra Pro

Gemini Pro 1.0Runner-up

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

Gemini Pro 1.0 costs 33x less per token.

Slight edge

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Gemini Pro 1.0

Input

$0.50

20× cheaper

Output

$1.50

33× cheaper

GPT-6 Astra Pro

Input

$10.00

Output

$50.00

Gemini Pro 1.0 is cheaper on both: 20× input, 33× output.

Where to run it

2 hosts

Gemini Pro 1.0

No hosts listed on OpenRouter.

GPT-6 Astra Pro2 hosts

HostInOutContextUptime

Azure AI Foundry$10.00 in$50.00 out1.1M98.9% up OpenAI$10.00 in$50.00 out1.1M99.6% up

Per million tokens. Prices and uptime via OpenRouter, checked 16 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Cost per 1M tokens

2 hosts

What we learned reading every model

Common questions

What is the difference between Gemini Pro 1.0 and GPT-6 Astra Pro?

Which is better, Gemini Pro 1.0 or GPT-6 Astra Pro?

How much does Gemini Pro 1.0 cost compared to GPT-6 Astra Pro?

How can I compare Gemini Pro 1.0 and GPT-6 Astra Pro on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages

Cost per 1M tokens

2 hosts

What we learned reading every model

Common questions

What is the difference between Gemini Pro 1.0 and GPT-6 Astra Pro?

Which is better, Gemini Pro 1.0 or GPT-6 Astra Pro?

How much does Gemini Pro 1.0 cost compared to GPT-6 Astra Pro?

How can I compare Gemini Pro 1.0 and GPT-6 Astra Pro on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages