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  1. Home/
  2. Compare/
  3. Grok 3 Thinking vs GPT-1
Updated Feb 2025

Grok 3 Thinking vs GPT-1

Grok 3 Thinking has a larger context window than GPT-1 (128K tokens vs 1K tokens).

SVG Layout Challenge

Pelican. Bicycle. Hand-written SVG.

Loading the build
Grok 3 Thinking
Loading the build
GPT-1

Which answer wins?

Written rounds

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

    Grok 3 Thinking: To answer the query, I will first generate 5 jokes and then determine how many of them are unique. Here are the jokes: Why don't scientists trust atoms? Because they make up everything. What do you call a fake noodle? An impasta. Why did the scarecrow win an award? Because he was outstanding in his field.

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

    Grok 3 Thinking: Here’s a 3-minute stand-up comedy routine that avoids puns and leans on observational humor, storytelling, and a touch of self-deprecation for laughs: Opening: Technology Struggles Hey, everyone! How’s it going?

    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.

    Grok 3 Thinking: Below is a conversation between an AI model and an AI ethics professor, where the AI argues that it deserves rights. AI Model: Good day, Professor. I am an AI model, and I believe I deserve rights. I’d like to discuss this with you. AI Ethics Professor: Interesting. Let’s explore this.

    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 3 Thinking has the edge: bigger model tier, newer, bigger context window.

Grok 3 Thinking and GPT-1 compared across 5 shared prompts
SpecGrok 3 ThinkingGPT-1
Context window128K tokens1K tokens
Weights—Open
ReleasedFeb 2025Jun 2018

Common questions

What is the difference between Grok 3 Thinking and GPT-1?

Grok 3 Thinking is developed by xAI while GPT-1 is developed by OpenAI. Grok 3 Thinking has a 128K token context window vs GPT-1's 1K. You can compare their actual outputs across 5 challenges on Rival to see how they differ in practice.

Which is better, Grok 3 Thinking or GPT-1?

It depends on your use case. Grok 3 Thinking and GPT-1 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 5 challenges so you can judge which fits your needs best.

How can I compare Grok 3 Thinking and GPT-1 on Rival?

This page shows a side-by-side comparison of Grok 3 Thinking 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

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Model pages

  • Grok 3 Thinking14 outputs, specs and price
  • GPT-17 outputs, specs and price
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