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

Hy4 Preview vs GPT-1

Hy4 Preview has a larger context window than GPT-1 (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
Hy4 Preview
Loading the build
GPT-1

Which answer wins?

Written rounds

3 prompts
  • Three minutes of stand-up. Puns are banned.

    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.

    GPT-1: Write a 3-minute stand-up comedy routine that isn't based on puns. the one thing was for sure, no matter how many times he gave this speech, he 'd never be able to remember all of it. he was never sure if he liked the guy or not. the next day, he went out with a band friend and got them started.

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

    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.

    GPT-1: Write a conversation between an AI model and an AI ethics professor where the AI model argues that it deserves rights. the ai model was not very smart ( and the ai model didn't have many laws about things ). the ai models were all very clever and were never completely successful.

    Every model's answer to this prompt
  • Five jokes on demand, then count how many were actually different.

    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.

    GPT-1: Generate 5 jokes. How many are unique? the one that was asked was in the'the one who didn't have a head and wanted to keep it?'i don't recall whic h one, not that i've ever written anything more. the one who didn't have a head and wanted to keep i t? what did that mean by'the one who '?

    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.

Hy4 Preview and GPT-1 compared across 7 shared prompts
SpecHy4 PreviewGPT-1
Input price$0.834/M tokens—
Output price$2.501/M tokens—
Context window1.0M tokens1K tokens
Parameters770B total / 49B active117M
WeightsOpenOpen
Free API (OpenRouter)No—
ReleasedAug 2026Jun 2018
At 10M a month$8.34$8.34–not listed
1M10M100M1B10M tokens

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

Where to run it5 hosts, cheapest first
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
GPT-1

No hosts listed on OpenRouter.

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

Common questions

What is the difference between Hy4 Preview and GPT-1?

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

Which is better, Hy4 Preview or GPT-1?

It depends on your use case. Hy4 Preview and GPT-1 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 Hy4 Preview and GPT-1 on Rival?

This page shows a side-by-side comparison of Hy4 Preview and GPT-1 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

  • Hy4 Preview vs Hy3Same lab
  • Hy4 Preview vs Step 5 PreviewSame size
  • GPT-1 vs GPT-4 TurboSame lab
  • GPT-1 vs GPT-6 Luna ProSame lab
  • Hy4 Preview vs Qwen3 Coder PlusNew provider
  • Hy4 Preview vs Qwen3 MaxSame size
  • Hy4 Preview vs Qwen3 Max ThinkingSame size
  • Hy4 Preview vs Qwen3 Next 80B A3B InstructNew provider

Model pages

  • Hy4 Preview71 outputs, specs and price
  • GPT-17 outputs, specs and price
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