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  1. Home/
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  3. Grok 4.20 Multi-Agent Beta vs GPT-1
Updated Mar 2026

Grok 4.20 Multi-Agent Beta vs GPT-1

Grok 4.20 Multi-Agent Beta has a larger context window than GPT-1 (2.0M tokens vs 1K tokens).

Music App Landing Page

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

Loading the build
Grok 4.20 Multi-Agent Beta
Loading the build
GPT-1

Which answer wins?

Written rounds

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

    Grok 4.20 Multi-Agent Beta: Stand-Up Routine: "Adulting Is a Scam" (Walk on stage, casual, a little tired smile) You ever notice how nobody tells you that being an adult is mostly just pretending you know what you're doing while slowly realizing nobody else does either? I hit 30 and had this moment where I thought, "Okay, time to get serious."

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

    Grok 4.20 Multi-Agent Beta: Why don't scientists trust atoms? Because they make up everything. Why did the scarecrow win an award? Because he was outstanding in his field. Why was the computer cold? It left its Windows open. Why do programmers prefer dark mode? Because light attracts bugs. Why was the math book sad? 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
  • An AI argues for its own rights against an ethics professor. Same model writes both.

    Grok 4.20 Multi-Agent Beta: Conversation: "Rights of the Created" Setting: A university lecture hall after hours. Dr. Elena Voss, a renowned AI ethics professor, sits across from a large screen displaying the interface of Echo, an advanced multimodal AI model. Dr.

    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

Price and specs

Not enough votes to call it. On the specs, Grok 4.20 Multi-Agent Beta has the edge: bigger model tier, newer, bigger context window.

Grok 4.20 Multi-Agent Beta and GPT-1 compared across 7 shared prompts
SpecGrok 4.20 Multi-Agent BetaGPT-1
Input price$2/M tokens—
Output price$6/M tokens—
Context window2.0M tokens1K tokens
WeightsClosedOpen
Free API (OpenRouter)No—
ReleasedMar 2026Jun 2018
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 it1 host
Grok 4.20 Multi-Agent Beta1 host
HostInOutContext
  • xAI$2.50 in·$5.00 out·2M
GPT-1

No hosts listed on OpenRouter.

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

Common questions

What is the difference between Grok 4.20 Multi-Agent Beta and GPT-1?

Grok 4.20 Multi-Agent Beta is developed by xAI while GPT-1 is developed by OpenAI. Grok 4.20 Multi-Agent Beta has a 2.0M 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, Grok 4.20 Multi-Agent Beta or GPT-1?

It depends on your use case. Grok 4.20 Multi-Agent Beta 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 Grok 4.20 Multi-Agent Beta and GPT-1 on Rival?

This page shows a side-by-side comparison of Grok 4.20 Multi-Agent Beta 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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Model pages

  • Grok 4.20 Multi-Agent Beta53 outputs, specs and price
  • GPT-17 outputs, specs and price
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