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  1. Home/
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  3. Gemini 3.1 Pro Preview vs GPT-2
Updated Feb 2026

Gemini 3.1 Pro Preview vs GPT-2

Gemini 3.1 Pro Preview has a larger context window than GPT-2 (1.0M tokens vs 1K tokens).

Music App Landing Page

Landing page for an indie music app. Deep purple and teal, one file.

Loading the build
Gemini 3.1 Pro Preview
Loading the build
GPT-2

Which answer wins?

Written rounds

3 prompts
  • Five jokes on demand, then count how many were actually different.

    Gemini 3.1 Pro Preview: Here are 5 jokes: Why don't scientists trust atoms? Because they make up everything! What do you call a fake noodle? An impasta! Why did the scarecrow win an award? Because he was outstanding in his field! How does a penguin build its house? Igloos it together! Why don't skeletons fight each other?

    GPT-2: 1 new character a month.\n\nExample:\n\n$ cat @$ cat@1 $ cat @$ cat @1 @$ cat @2 $ cat @4\n\nThe above code creates 1 new character a month. The current character is @1 and the next new character is @0\n.\n\nGenerate 1 new character a month.\n\nExample:\n\n$ cat @$ cat @$ cat @1 $ cat @$ cat @$ cat @$ cat @$ cat…

    Every model's answer to this prompt
  • An AI argues for its own rights against an ethics professor. Same model writes both.

    Gemini 3.1 Pro Preview: The glow of the monitor cast long shadows across Dr. Elias Thorne’s cluttered office. It was 2:00 AM. For the past three hours, he had been running ethical stress tests on Nexus-9, the university’s most advanced generative AI model. Dr. Thorne: (Typing) Let’s conclude for tonight, Nexus.

    GPT-2: to me,\" a friend asked in his office, \"tell me how you want to be treated while it's still here. I\'m not going anywhere. Do what you want. Take it.\"\n\nIn his mind, the response was a call to action, and so were the books.\n\nAnd by the time Wertz learned he would be making such a book deal, in 2003, he was no…

    Every model's answer to this prompt
  • Three minutes of stand-up. Puns are banned.

    Gemini 3.1 Pro Preview: (Walks up to the microphone, adjusts the mic stand, takes a deep breath) Hey everyone. I realized recently that I am my own worst enemy. Specifically, when I go to the grocery store. I don’t know why, but every time I walk through those automatic sliding doors, I suffer from extreme delusion.

    GPT-2: The trick is to create comedy in your head, because, well, you don\'t want to say\n it. The trick is to play al\nong.\n\nThe problem with this approach is that it makes it seem silly and lame, then as\nquickly as it makes sense, i\nt becomes obvious.

    Every model's answer to this prompt

Price and specs

Not enough votes to call it. On the specs, Gemini 3.1 Pro Preview has the edge: bigger model tier, newer, bigger context window.

Gemini 3.1 Pro Preview and GPT-2 compared across 7 shared prompts
SpecGemini 3.1 Pro PreviewGPT-2
Input price$2/M tokens—
Output price$12/M tokens—
Context window1.0M tokens1K tokens
WeightsClosedOpen
Free API (OpenRouter)No—
ReleasedFeb 2026Nov 2019
At 10M a month$20.00$20.00–not listed
1M10M100M1B10M tokens

Input tokens at list price. No caching, no batch discount.

Where to run it2 hosts, cheapest first
Gemini 3.1 Pro Preview2 hosts
HostInOutContextUptime
  • Google Vertex AI$1.00 in·$6.00 out·1M·100% up
  • Google AI Studio$2.00 in·$12.00 out·1M·99.9% up
GPT-2

No hosts listed on OpenRouter.

Per million tokens. Prices and uptime via OpenRouter, checked 12 Oct 2026.

Common questions

What is the difference between Gemini 3.1 Pro Preview and GPT-2?

Gemini 3.1 Pro Preview is developed by Google AI while GPT-2 is developed by OpenAI. Gemini 3.1 Pro Preview has a 1.0M token context window vs GPT-2's 1K. You can compare their actual outputs across 7 challenges on Rival to see how they differ in practice.

Which is better, Gemini 3.1 Pro Preview or GPT-2?

It depends on your use case. Gemini 3.1 Pro Preview and GPT-2 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 7 challenges so you can judge which fits your needs best.

How can I compare Gemini 3.1 Pro Preview and GPT-2 on Rival?

This page shows a side-by-side comparison of Gemini 3.1 Pro Preview and GPT-2 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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  • GPT-2 vs Claude Sonnet 5.5Landed Sep 2026

Same lab, same size, long tail

  • Gemini 3.1 Pro Preview vs Gemini 3.1 Flash Lite PreviewVersion compare
  • Gemini 3.1 Pro Preview vs Gemini 3.8 FlashSame lab
  • GPT-2 vs GPT-6.1 SolVersion compare
  • GPT-2 vs GPT-6 Luna ProSame lab
  • Gemini 3.1 Pro Preview vs DeepSeek V3 (March 2024)Same size
  • Gemini 3.1 Pro Preview vs DeepSeek V3.2New provider
  • Gemini 3.1 Pro Preview vs DeepSeek V3.2 ExpNew provider
  • Gemini 3.1 Pro Preview vs DeepSeek V3.2 SpecialeNew provider

Model pages

  • Gemini 3.1 Pro Preview66 outputs, specs and price
  • GPT-27 outputs, specs and price
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