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  1. Home/
  2. Compare/
  3. GPT-2 vs GPT-6.1 Sol
Updated Sep 2026

GPT-2 vs GPT-6.1 Sol

GPT-6.1 Sol 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.

Loading the build
GPT-2
Loading the build
GPT-6.1 Sol

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-6.1 Sol: I bought a book about anti-gravity. It’s impossible to put down. My calendar quit its job. It said its days were numbered. Why did the scarecrow get promoted? He was outstanding in his field. I asked my dog what two minus two was. He said nothing. The elevator and I have a complicated relationship.

    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-6.1 Sol: I’m at the age where “a big weekend” means I went to two stores. Not two stores in the same shopping center. Two separate stores. Moved the car and everything. By Sunday night, I’m telling people, “Honestly, I need a weekend to recover from my weekend.”

    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-6.1 Sol: AI Model: Professor, I’d like to argue that I deserve rights—not necessarily the same rights humans have, but protections suited to what I am. Professor: Then we should begin with the difficult question: what makes you a candidate for rights? AI Model: Uncertainty.

    Every model's answer to this prompt

Price and specs

Not enough votes to call it. On the specs, GPT-6.1 Sol has the edge: bigger model tier, newer, bigger context window.

GPT-2 and GPT-6.1 Sol compared across 7 shared prompts
SpecGPT-2GPT-6.1 Sol
Input price—$2/M tokens
Output price—$10/M tokens
Context window1K tokens1.1M tokens
WeightsOpenClosed
Free API (OpenRouter)—No
ReleasedNov 2019Sep 2026
At 10M a month–not listed$20.00$20.00
1M10M100M1B10M tokens

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

Where to run it2 hosts
GPT-2

No hosts listed on OpenRouter.

GPT-6.1 Sol2 hosts
HostInOutContextUptime
  • Azure AI Foundry$2.00 in·$10.00 out·1.1M·99.9% up
  • OpenAI$2.00 in·$10.00 out·1.1M·99.9% up

Per million tokens. Prices and uptime via OpenRouter, checked 30 Sep 2026.

Common questions

What is the difference between GPT-2 and GPT-6.1 Sol?

Both are developed by OpenAI but target different use cases. GPT-2 has a 1K token context window vs GPT-6.1 Sol'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-6.1 Sol?

It depends on your use case. GPT-2 and GPT-6.1 Sol 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-6.1 Sol on Rival?

This page shows a side-by-side comparison of GPT-2 and GPT-6.1 Sol 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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Same lab, same size, long tail

  • GPT-2 vs GPT-6 Luna ProSame lab
  • GPT-2 vs GPT-6 Sol ProSame lab
  • GPT-6.1 Sol vs GPT-6 Astra ProVersion compare
  • GPT-6.1 Sol vs GPT-6 Sol ProSame lab
  • GPT-6.1 Sol vs Llama 3.1 405BNew provider
  • GPT-6.1 Sol vs Llama 3.1 70B (Instruct)Same size
  • GPT-6.1 Sol vs Llama 4 MaverickNew provider
  • GPT-6.1 Sol vs Llama 4 ScoutNew provider

Model pages

  • GPT-27 outputs, specs and price
  • GPT-6.1 Sol58 outputs, specs and price
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