What is the difference between GPT-4o (Omni) and GPT-4?

Both are developed by OpenAI but target different use cases. GPT-4o (Omni) has a 128K token context window vs GPT-4's 8K. You can compare their actual outputs across 20 challenges on Rival to see how they differ in practice.

Which is better, GPT-4o (Omni) or GPT-4?

It depends on your use case. GPT-4o (Omni) and GPT-4 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 20 challenges so you can judge which fits your needs best.

How much does GPT-4o (Omni) cost compared to GPT-4?

GPT-4o (Omni) costs $2.5/M input tokens and GPT-4 costs $30/M input tokens. GPT-4o (Omni) is $27.50/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 GPT-4o (Omni) and GPT-4 on Rival?

This page shows a side-by-side comparison of GPT-4o (Omni) 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 13, 2024

GPT-4o (Omni)vsGPT-4

20 fights queued

Why GPT-4o (Omni)?

6.9x cheaper overall$2.50/M in · $10.00/M out

15.6x more context128K

Leads 1 of 1 benchmarks

Stronger on HumanEval90.2% vs 67.0%

12 months newerMay 2024

Why GPT-4?

Dead even. This one's a coin flip.

GPT-4o (Omni)GPT-4

Input price

$2.50/M

$30.00/M

Output price

$10.00/M

$60.00/M

Context

128K

Released

May 2024

May 2023

Benchmarks1 common

HumanEval

90.2%+25.7%

67.0%

Favorites

GPT-4o (Omni)GPT-4

Movie

Inception

20108.4

Blade Runner

19827.9

Album

Dark Side Of The Moon

suisside

OK Computer

Radiohead

Book

To Kill a Mockingbird

Harper Lee

Gödel, Escher, Bach

Douglas R. Hofstadter

City

Kyoto

Japan

Tokyo

Japan

Game

The Legend of Zelda: Breath of the Wild

Adventure, Action4.5

Minecraft

Action, Arcade4.4

6 / 20

SVG Layout Challengeimage generation

Tests an AI's ability to generate vector graphics

GPT-4o (Omni)

Openai · May 2024svg

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 / 20

Xbox Controller SVG Artimage generation

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

GPT-4o (Omni)

Openai · May 2024svg

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

GPT-4

Openai · May 2023text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

3 / 20

Mario Level UI Recreationweb design

Recreate an interactive, classic Mario level in a single HTML file.

GPT-4o (Omni)

Openai · May 2024website

Try this prompt

GPT-4

Openai · May 2023website

We can't display this one. It's not us. Well... it might be us.

The model was asked for a web page. It produced something else. We're not going to define what.

View raw output

Sorry, as a text-based AI, I'm unable to create a single-page self-contained HTML for a Super Mario Bros. level. However, I can provide a rough sketch of how the level can be designed.

Level Name: Mushroom Heights

1. The level starts in a small room with a "Mushroom" power-up. The player must jump up to reach it. This introduces players to the jumping mechanic.

2. The player then exits the room and enters a wide, open area. There are several platforms at different heights, each with a different enemy. This introduces players to the combat mechanic, as they must navigate past or defeat these enemies.

3. Next, the player encounters a series of pipes. Some pipes have piranha plants coming out of them, while others can be entered to reach hidden areas. This introduces players to the mechanic of entering pipes.

4. In the hidden areas, there are various power-ups and coins. The hidden areas are optional but reward exploration.

5. The level then has a series of tricky jumps, including moving platforms and areas where the player must jump off of enemies to reach high places. This tests the player's mastery of the jumping mechanic.

6. Finally, the level ends with a flagpole that the player must slide down. This is a classic ending to a Mario level.

Remember that this is just a rough sketch and the actual implementation would require a lot of coding and graphic design. Each part of the level should be designed in a way that it gradually introduces players to the game's mechanics and then tests their mastery of them. It's also important to keep the level fun and engaging, with a mix of challenges and rewards.

Try this prompt

Vote

4 / 20

Framer-Style Animationweb design

Tests an AI's ability to create smooth web animations

GPT-4o (Omni)

Openai · May 2024website

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

GPT-4

Openai · May 2023text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

5 / 20

World Map SVGimage generation

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

GPT-4o (Omni)

Openai · May 2024svg

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

GPT-4

Openai · May 2023text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

6 / 20

Random Tailwind Webappweb design

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

GPT-4o (Omni)

Openai · May 2024website

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

GPT-4

Openai · May 2023website

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

This matchup has more rounds

14+ more head-to-head results. Free. Not a trick.

$0No card. No catch. Just a login.

Free account. No card required. By continuing, you agree to Rival's Terms and Privacy Policy

Find Your Model

Static demos are useful. Your prompt matters more.

Run this matchup on your actual task. 30 seconds. No card.

Can you tell Claude from GPT?

Run your prompt blind. Judge outputs, not logos.

Take the blind test

Our Verdict

GPT-4o (Omni)

GPT-4Runner-up

No community votes yet. On paper, GPT-4o (Omni) has the edge — newer, bigger context window.

GPT-4o (Omni) is 6.0x cheaper per token — worth considering if cost matters.

Too close to call

These are our prompts. Yours will tell you more.

Run GPT-4o (Omni) vs GPT-4 on your actual task. 5 free credits. No card.

Test with your prompt

FAQ

Keep going

GPT-4 vs Llama 4 MaverickNew provider

GPT-4o (Omni) vs Gemini 2.5 Pro Preview 06-05New provider

GPT-4 vs GPT-5Version compare

This comparison gets 800+ views/month. Your brand could be here.

Advertise

GPT-4o (Omni) vs GPT-4

Which is better, GPT-4o (Omni) or GPT-4?