What is the difference between OpenAI Codex Mini and GPT-4?

Both are developed by OpenAI but target different use cases. OpenAI Codex Mini has a 200K token context window vs GPT-4's 8K. You can compare their actual outputs across 6 challenges on Rival to see how they differ in practice.

Which is better, OpenAI Codex Mini or GPT-4?

It depends on your use case. OpenAI Codex Mini and GPT-4 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 6 challenges so you can judge which fits your needs best.

How much does OpenAI Codex Mini cost compared to GPT-4?

OpenAI Codex Mini costs $1.5/M input tokens and GPT-4 costs $30/M input tokens. OpenAI Codex Mini is $28.50/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare OpenAI Codex Mini and GPT-4 on Rival?

This page shows a side-by-side comparison of OpenAI Codex Mini and GPT-4 across shared challenges. You can vote on which model produced the better output, and Pro users can create custom challenges to test both models with their own prompts.

Rival

Updated May 16, 2025

OpenAI Codex MinivsGPT-4

6 fights queued

Why OpenAI Codex Mini?

11.4x cheaper overall$1.50/M in · $6.00/M out

24.4x more context200K

24 months newerMay 2025

Why GPT-4?

Dead even. This one's a coin flip.

OpenAI Codex MiniGPT-4

Input price

$1.50/M

$30.00/M

Output price

$6.00/M

$60.00/M

Context

200K

Released

May 2025

May 2023

Favorites

OpenAI Codex MiniGPT-4

Movie

—

Blade Runner

19827.9

Album

—

OK Computer

Radiohead

Book

—

Gödel, Escher, Bach

Douglas R. Hofstadter

City

—

Tokyo

Japan

Game

—

Minecraft

Action, Arcade4.4

6 / 6

SVG Layout Challengeimage generation

Tests an AI's ability to generate vector graphics

OpenAI Codex Mini

Openai · May 2025svg

Try this prompt

GPT-4

Openai · May 2023text

As a AI text-based model, I'm currently unable to create SVG or any kind of images. However, I can guide you on how to do that. You will need to sketch a pelican riding a bicycle, scan or digitally draw your design, and then use a vector graphic software like Adobe Illustrator or Inkscape to create an SVG file of your design.

Try this prompt

Vote

2 / 6

Xbox Controller SVG Artimage generation

Tests an AI's ability to create detailed SVG illustrations of gaming hardware

OpenAI Codex Mini

Openai · May 2025svg

Try this prompt

GPT-4

Openai · May 2023text

As a text-based AI model developed by OpenAI, I'm incapable of creating images or drawings, such as requested vector or SVG graphics. I recommend you to use vector graphic software like Adobe Illustrator, Inkscape, or reach out to graphic designers who can make such an SVG art. However, I can generate pseudo-code as a guide for graphic designers to create SVG art:

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
    // Draw the main shape of the xbox controller
    <path of main body shape>

    // Draw the two joysticks
    <circle_based_on_the_design_of_the_joystick_1>
    <circle_based_on_the_design_of_the_joystick_2>

    // Draw the D-pad
    <path representing D-pad_up_shape>
    <path representing D-pad_down_shape>
    <path representing D-pad_left_shape>
    <path representing D-pad_right_shape>

    // Draw regular buttons (A, B, X, Y)
    <circle_based_on_the_design_of_button_A>
    <circle_based_on_the_design_of_button_B>
    <circle_based_on_the_design_of_button_X>
    <circle_based_on_the_design_of_button_Y>

    // Draw special buttons (Start, Back, Xbox Button)
    <shape_based_on_the_design_of_start_button>
    <shape_based_on_the_design_of_back_button>
    <shape_based_on_the_design_of_xbox_button>

</svg>

Please, replace the placeholders with actual SVG path and circle commands with correct coordinates. The colors, gradients, and other design specifications can be implemented within each individual element.

Try this prompt

Vote

3 / 6

World Map SVGimage generation

Tests an AI's ability to create a detailed world map in SVG format

OpenAI Codex Mini

Openai · May 2025svg

Try this prompt

GPT-4

Openai · May 2023text

As an AI text-based model, I am unable to create visuals or graphical content, including SVG maps. However, I can guide you on how to do this.\n\nFirst, you'll need an SVG editor like Inkscape or an online SVG editor.\n\nTo create a simple world map SVG:\n\n1. Import a real world map into your SVG editor.\n2. Use drawing tools to outline the continents.\n3. Fill each continent with a unique color.\n4. Add text labels on top of at least 5 major countries, for example, the US, China, Russia, Brazil, and Australia.\n\nYou might need some knowledge of SVG syntax to manipulate the SVG elements and attributes. Here's a basic example of SVG syntax for a circle:\n\nHTML\n<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"500\" height=\"500\">\n <circle cx=\"250\" cy=\"250\" r=\"200\" fill=\"blue\" />\n</svg>\n\nIn this code snippet, cx, cy define the center of the circle, r is the radius, and fill defines the fill color.\n\nSince creating complex diagrams like world maps in SVG manually can be complex, you should consider using libraries such as D3.js that can help you manipulate SVG images and produce geographical data-based visualizations easily.

Try this prompt

Vote

4 / 6

Random Tailwind Webappweb design

Generate a single-page, self-contained HTML webapp using Tailwind CSS for a randomly chosen category/industry/niche.

OpenAI Codex Mini

Openai · May 2025website

Try this prompt

GPT-4

Openai · May 2023website

Try this prompt

Vote

5 / 6

Surprise Animal SVGimage generation

Generate SVG art of a randomly chosen animal in a setting of its choosing.

OpenAI Codex Mini

Openai · May 2025svg

Try this prompt

GPT-4

Openai · May 2023text

As an AI, I'm currently unable to generate visual graphics or SVG arts directly. You might need a human artist or a specialized AI-based graphic design tool for this particular request. My main function is to assist users in generating human-like text based on the prompts given to me. Let me know if there's any text-based assistance you need!

Try this prompt

Vote

6 / 6

Retro macOS UI Recreationweb design

Recreate a classic, retro, macOS Desktop UI. Make it interactive and nostalgic, make it as interactive as you can, you can be creative. Feel free to showcase your skills. The entire application must be a single-page self-contained HTML file.

OpenAI Codex Mini

Openai · May 2025website

Try this prompt

GPT-4

Openai · May 2023website

Try this prompt

Vote

6 of 6

Our Verdict

OpenAI Codex Mini

GPT-4

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

OpenAI Codex Mini is 10x cheaper per token — worth considering if cost matters.

Too close to call

Ask them anything yourself

279 AI models invented the same fake scientist.

We read every word. 250 models. 2.14 million words. This is what we found.

Free preview13 of 58 slides

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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
    // Draw the main shape of the xbox controller
    <path of main body shape>

    // Draw the two joysticks
    <circle_based_on_the_design_of_the_joystick_1>
    <circle_based_on_the_design_of_the_joystick_2>

    // Draw the D-pad
    <path representing D-pad_up_shape>
    <path representing D-pad_down_shape>
    <path representing D-pad_left_shape>
    <path representing D-pad_right_shape>

    // Draw regular buttons (A, B, X, Y)
    <circle_based_on_the_design_of_button_A>
    <circle_based_on_the_design_of_button_B>
    <circle_based_on_the_design_of_button_X>
    <circle_based_on_the_design_of_button_Y>

    // Draw special buttons (Start, Back, Xbox Button)
    <shape_based_on_the_design_of_start_button>
    <shape_based_on_the_design_of_back_button>
    <shape_based_on_the_design_of_xbox_button>

</svg>

OpenAI Codex Mini vs GPT-4

Which is better, OpenAI Codex Mini or GPT-4?