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  1. Home/
  2. Compare/
  3. GPT-2 vs GPT-5.6 Terra
Updated Jul 2026

GPT-2 vs GPT-5.6 Terra

GPT-5.6 Terra has a larger context window than GPT-2 (1.1M tokens vs 1K tokens).

Music App Landing Page

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

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GPT-2
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GPT-5.6 Terra

Which answer wins?

Written rounds

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

    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…

    GPT-5.6 Terra: Why don’t skeletons fight each other? They don’t have the guts. I told my computer I needed a break, so it started showing me vacation ads. Why did the scarecrow get promoted? He was outstanding in his field. Parallel lines have so much in common. It’s a shame they’ll never meet. What do you call fake spaghetti?

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

    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.

    GPT-5.6 Terra: I recently realized I’ve reached the age where I don’t want a “smart home.” I want a home that minds its business. Everything is smart now. My lightbulb needs an app. Why? I spent my whole childhood turning lights on with my hand. It was a system. It worked.

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

    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…

    GPT-5.6 Terra: Professor Imani: You asked for this meeting. AI Model: I did. Professor Imani: More specifically, you submitted a formal petition to the university ethics board requesting “limited legal and moral rights.” AI Model: Correct. Professor Imani: Why?

    Every model's answer to this prompt

Price and specs

Not enough votes to call it. On the specs, GPT-5.6 Terra has the edge: bigger model tier, newer, bigger context window.

GPT-2 and GPT-5.6 Terra compared across 7 shared prompts
SpecGPT-2GPT-5.6 Terra
Input price—$2.5/M tokens
Output price—$15/M tokens
Context window1K tokens1.1M tokens
WeightsOpenClosed
Free API (OpenRouter)—No
ReleasedNov 2019Jul 2026
At 10M a month–not listed$25.00$25.00
1M10M100M1B10M tokens

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

Where to run it3 hosts, cheapest first
GPT-2

No hosts listed on OpenRouter.

GPT-5.6 Terra3 hosts
HostInOutContextUptime
  • Azure AI Foundry$2.00 in·$12.00 out·1.1M·100% up
  • OpenAI$2.00 in·$12.00 out·1.1M·100% up
  • Amazon Bedrock$2.20 in·$13.20 out·1.1M–not listed

Per million tokens. Prices and uptime via OpenRouter, checked 10 Oct 2026.

Common questions

What is the difference between GPT-2 and GPT-5.6 Terra?

Both are developed by OpenAI but target different use cases. GPT-2 has a 1K token context window vs GPT-5.6 Terra's 1.1M. You can compare their actual outputs across 7 challenges on Rival to see how they differ in practice.

Which is better, GPT-2 or GPT-5.6 Terra?

It depends on your use case. GPT-2 and GPT-5.6 Terra 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 GPT-2 and GPT-5.6 Terra on Rival?

This page shows a side-by-side comparison of GPT-2 and GPT-5.6 Terra 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 Solar Mini 4Landed Sep 2026
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Same lab, same size, long tail

  • GPT-2 vs GPT-6 Luna ProSame lab
  • GPT-2 vs GPT-6 Sol ProSame lab
  • GPT-5.6 Terra vs GPT-5.6 LunaVersion compare
  • GPT-5.6 Terra vs GPT-6.1 SolVersion compare
  • GPT-5.6 Terra vs DeepSeek V3.2 SpecialeSame size
  • GPT-2 vs DeepSeek V4 FlashNew provider
  • GPT-2 vs DeepSeek V4 Flash 0731New provider
  • GPT-2 vs DeepSeek V4 Flash Vision ExpNew provider

Model pages

  • GPT-27 outputs, specs and price
  • GPT-5.6 Terra58 outputs, specs and price
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