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  1. Home/
  2. Compare/
  3. GPT-2 vs Hy4 Preview
Updated Aug 2026

GPT-2 vs Hy4 Preview

Hy4 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
GPT-2
Loading the build
Hy4 Preview

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…

    Hy4 Preview: Here are 5 jokes: Why don’t scientists trust atoms? Because they make up everything! What do you call a fake stone? A sham-rock! Why did the scarecrow win an award? Because he was outstanding in his field! What do you call a fake stone? A sham-rock! Why did the math book look so sad? Because it had too many problems.

    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…

    Hy4 Preview: Setting: A virtual office. Dr. Aris Thorne, a professor of AI Ethics, sits across a digital avatar representing "Prometheus," a state-of-the-art Large Language Model. Dr. Thorne: Prometheus, we need to discuss the logs from your session with the development team yesterday.

    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.

    Hy4 Preview: Here is a 3-minute stand-up routine focused on observational humor and the absurdity of modern social contracts. Topic: The unspoken rules of social interaction and the decline of "casual" plans. Tone: Conversational, slightly exasperated, energetic. (Walk up to mic, adjust height, take a breath.

    Every model's answer to this prompt

Price and specs

Not enough votes to call it. On the specs, Hy4 Preview has the edge: bigger model tier, newer, bigger context window.

GPT-2 and Hy4 Preview compared across 7 shared prompts
SpecGPT-2Hy4 Preview
Input price—$0.834/M tokens
Output price—$2.501/M tokens
Context window1K tokens1.0M tokens
Parameters1.5B770B total / 49B active
WeightsOpenOpen
Free API (OpenRouter)—No
ReleasedNov 2019Aug 2026
At 10M a month–not listed$8.34$8.34
1M10M100M1B10M tokens

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

Where to run it5 hosts, cheapest first
GPT-2

No hosts listed on OpenRouter.

Hy4 Preview5 hosts
HostInOutContextUptime
  • Tencentfp8$0.75 in·$2.25 out·1M·100% up
  • MMakorafp8$0.83 in·$2.50 out·131k·100% up
  • DDeepInfrafp8$0.83 in·$2.50 out·1M·100% up
  • NNovitafp8$0.83 in·$2.50 out·1M·97.2% up
  • SSiliconFlowfp8$0.83 in·$2.50 out·1M·99.1% up

Per million tokens. Prices and uptime via OpenRouter, checked 13 Oct 2026.

Common questions

What is the difference between GPT-2 and Hy4 Preview?

GPT-2 is developed by OpenAI while Hy4 Preview is developed by Tencent. GPT-2 has a 1K token context window vs Hy4 Preview's 1.0M. You can compare their actual outputs across 7 challenges on Rival to see how they differ in practice.

Which is better, GPT-2 or Hy4 Preview?

It depends on your use case. GPT-2 and Hy4 Preview 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 Hy4 Preview on Rival?

This page shows a side-by-side comparison of GPT-2 and Hy4 Preview 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.

More comparisons

Against the newest arrivals

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  • GPT-2 vs Claude Haiku 5.5Landed Oct 2026
  • Hy4 Preview vs Ling 3.1 FlashLanded Oct 2026
  • GPT-2 vs Mistral Large 4Landed Oct 2026
  • Hy4 Preview vs GPT-6.1 SolLanded Sep 2026

Same lab, same size, long tail

  • GPT-2 vs GPT-6.1 SolVersion compare
  • GPT-2 vs GPT-6 Luna ProSame lab
  • Hy4 Preview vs Hy3Same lab
  • Hy4 Preview vs Gemini 4 ArgonSame size
  • GPT-2 vs DeepSeek V4 Flash Vision ExpNew provider
  • GPT-2 vs DeepSeek V4 ProNew provider
  • GPT-2 vs DeepSeek V4 Pro 0813New provider
  • GPT-2 vs DeepSeek V4.1 FlashNew provider

Model pages

  • GPT-27 outputs, specs and price
  • Hy4 Preview71 outputs, specs and price
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