What is the difference between GPT-5 Pro and Llama 3.1 405B?

GPT-5 Pro is developed by OpenAI while Llama 3.1 405B is developed by Meta AI. GPT-5 Pro has a 400K token context window vs Llama 3.1 405B's 128K. in 3 community votes on RIVAL, GPT-5 Pro wins 100% of head-to-head matchups. These results are based on blind head-to-head voting across 4 challenges.

Which is better, GPT-5 Pro or Llama 3.1 405B?

Based on 3 community votes on RIVAL, GPT-5 Pro wins 100% of head-to-head matchups against Llama 3.1 405B. GPT-5 Pro is strongest in Image Generation.

How much does GPT-5 Pro cost compared to Llama 3.1 405B?

GPT-5 Pro costs $15/M input tokens and Llama 3.1 405B costs $2.7/M input tokens. Llama 3.1 405B is $12.30/M cheaper per input. The more expensive model wins 100% of duels, so the premium may be justified by quality.

How are GPT-5 Pro vs Llama 3.1 405B votes collected on RIVAL?

RIVAL presents both models' outputs side-by-side in blind duels — voters see the responses but don't know which model produced each one. This eliminates brand bias. 3 votes have been collected for this pair across 4 challenges. All vote data is part of RIVAL's open dataset.

Rival

GPT-5 ProvsLlama 3.1 405B

4 challenges

Why GPT-5 Pro?

3.1x more context400K

15 months newerOct 2025

Why Llama 3.1 405B?

26.5x cheaper overall$2.70/M in · $3.10/M out

Favorites

GPT-5 ProLlama 3.1 405B

Album

—

Sgt Peppers Lonely Hearts Club Band

The Beatles

Book

—

Cien años de soledad

Gabriel García Márquez

4 / 4

Framer-Style Animationweb design

Tests an AI's ability to create smooth web animations

GPT-5 Pro

Openai · Oct 2025website

Couldn't render this response

This model didn't return a displayable web page for this challenge.

View raw output

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width,initial-scale=1,viewport-fit=cover" />
  <title>Framer-like Landing – Smooth Section Transitions</title>
  <meta name="description" content="A single-file landing page with smooth Framer-like transitions between sections." />
  <style>
    :root{
      --bg: hsl(248 45% 8%);
      --surface: hsl(248 47% 10%);
      --card: rgba(255,255,255,0.06);
      --card-hover: rgba(255,255,255,0.12);
      --fg: #F8FAFC;
      --muted: #CBD5E1;
      --primary-1: #7C3AED;
      --primary-2: #4F46E5;
      --accent-a: #22D3EE;
      --accent-b: #A78BFA;
      --ring: rgba(124,58,237,0.5);
      --shadow: 0 10px 30px rgba(0,0,0,0.25);
      --radius: 14px;
    }
    * { box-sizing: border-box; }
    html, body { height: 100%; }
    html { -webkit-text-size-adjust: 100%; }
    body{
      margin: 0;
      font-family: ui-sans-serif, -apple-system, Segoe UI, Roboto, Helvetica, Arial, Apple Color Emoji, Segoe UI Emoji;
      color: var(--fg);
      background:
        radial-gradient(1200px 800px at 80% -10%, rgba(124,58,237,0.25), transparent 60%),
        radial-gradient(900px 700px at -10% 20%, rgba(34,211,238,0.2), transparent 60%),
        linear-gradient(180deg, hsl(250 60% 7%) 0%, hsl(248 40% 8%) 100%);
      overflow-x: hidden;
      scroll-behavior: smooth;
    }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }
    .container{
      width: min(1200px, 92vw);
      margin: 0 auto;
    }
    header{
      position: fixed;
      inset: 0 0 auto 0;
      height: 72px;
      display: flex;
      align-items: center;
      z-index: 40;
      backdrop-filter: saturate(140%) blur(12px);
      background: linear-gradient(180deg, rgba(12,12,24,0.6), rgba(12,12,24,0));
      border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .nav{
      display: flex; align-items: center; justify-content: space-between;
    }
    .brand{
      display: inline-flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: 0.2px;
    }
    .brand .logo{
      width: 28px; height: 28px; border-radius: 8px;
      background: conic-gradient(from 180deg at 50% 50%, var(--primary-1), var(--primary-2));
      box-shadow: 0 6px 18px rgba(124,58,237,0.35), inset 0 0 18px rgba(255,255,255,0.15);
    }
    nav ul{ display: flex; gap: 18px; align-items: center; list-style: none; padding: 0; margin: 0; }
    nav a{
      padding: 10px 14px; border-radius: 10px; color: var(--muted); font-weight: 500;
      transition: color .25s ease;
    }
    nav a:hover{ color: var(--fg); }
    nav a.active{
      color: var(--fg);
      background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
      box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08);
    }
    .btn{
      appearance: none; border: 0; cursor: pointer; color: #0B0B14; font-weight: 700;
      background: linear-gradient(135deg, var(--accent-a), var(--accent-b));
      border-radius: 12px; padding: 14px 18px; box-shadow: var(--shadow); position: relative; overflow: hidden;
      transition: box-shadow .3s ease, transform .2s ease;
      will-change: transform;
    }
    .btn.secondary{
      color: var(--fg);
      background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
      box-shadow: inset 0 0 0 1px rgba(255,255,255,0.09);
    }
    .btn:hover{ box-shadow: 0 14px 28px rgba(23,23,40,0.4); }
    .btn .shimmer{
      position: absolute; inset: -30% -80% auto auto; width: 160%; height: 160%;
      background: conic-gradient(from 0deg, rgba(255,255,255,0.22), rgba(255,255,255,0) 35%);
      transform: translateX(-60%) rotate(15deg); opacity: .15; pointer-events: none;
      transition: transform 1.4s ease;
    }
    .btn:hover .shimmer{ transform: translateX(0%) rotate(15deg); }

    main{ position: relative; z-index: 1; }
    section{
      position: relative;
      min-height: 100svh;
      display: grid;
      align-items: center;
      padding: 120px 0 100px;
      border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .hero{
      padding-top: 140px;
    }
    .eyebrow{
      display: inline-flex; align-items: center; gap: 8px;
      color: var(--muted); font-size: 14px; letter-spacing: .3px;
      background: rgba(255,255,255,0.05); border-radius: 999px; padding: 6px 10px; border: 1px solid rgba(255,255,255,0.08);
    }
    .title{
      font-size: clamp(36px, 6vw, 64px); line-height: 1.04; margin: 16px 0 14px; font-weight: 800;
      letter-spacing: -0.5px;
    }
    .subtitle{ color: var(--muted); font-size: clamp(16px, 2.2vw, 20px); max-width: 60ch; }
    .cta-row{ display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-top: 26px; }
    .hero-visual{
      margin-top: 40px;
      background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
      border-radius: 18px; padding: 24px; border: 1px solid rgba(255,255,255,0.08);
      display: grid; grid-template-columns: repeat(12, 1fr); gap: 12px;
      box-shadow: var(--shadow);
    }
    .hero-visual .tile{
      aspect-ratio: 4/3; border-radius: 12px; background: linear-gradient(135deg, rgba(124,58,237,0.35), rgba(34,211,238,0.25));
      border: 1px solid rgba(255,255,255,0.12); backdrop-filter: blur(2px);
    }
    .hero-visual .tile.wide{ grid-column: span 6; }
    .hero-visual .tile.tall{ grid-column: span 3; aspect-ratio: 3/4; }
    @media (max-width: 800px){
      .hero-visual{ grid-template-columns: repeat(6, 1fr); }
      .hero-visual .tile.wide{ grid-column: span 6; }
      .hero-visual .tile.tall{ grid-column: span 3; }
    }

    .grid-3{
      display: grid; gap: 18px; grid-template-columns: repeat(3, 1fr); margin-top: 20px;
    }
    @media (max-width: 980px){ .grid-3{ grid-template-columns: 1fr; } }

    .card{
      background: var(--card); border: 1px solid rgba(255,255,255,0.08);
      border-radius: var(--radius); padding: 22px; transition: background .3s ease, transform .2s ease;
      will-change: transform; position: relative; overflow: hidden;
    }
    .card:hover{ background: var(--card-hover); }
    .icon{
      width: 42px; height: 42px; border-radius: 12px; display: inline-grid; place-items: center; color: #0B0B14;
      background: linear-gradient(135deg, var(--accent-a), var(--accent-b));
      box-shadow: 0 8px 18px rgba(124,58,237,0.35);
    }
    .card h3{ margin: 14px 0 8px; font-size: 20px; }
    .muted{ color: var(--muted); }

    .showcase{
      display: grid; gap: 18px; grid-template-columns: 2fr 1fr;
      margin-top: 26px;
    }
    @media (max-width: 980px){ .showcase{ grid-template-columns: 1fr; } }
    .mock{
      min-height

Llama 3.1 405B

Meta · Jul 2024text

<een sections. In a single-page self-contained HTML." No JS dependencies. All you need to do is Design! Content can be updated easily by designing one or more special frames, visible on this page at all times, an d use the automatic preview frame to generate the custom page. Design changes can also be previewed. Additional links can be added to the page without designing a separate frame. This link to Monomco will open in a new window, as it is not an item header. More control over the look and the structure of the page can be achieved by editing the HTML with e.g. VSCod e and choosing the iframe source . Header place-holder First visible section (or an indicator that something is loading) This frame is the very first section or what is first visible until content loads. Otherwise the page would be completely empty. Note that this first section does not have navigation arrows, as it is the first visible section. Not shown here is also the Easter-egg: a portal that teleports the earth up and doubles it size. Import and import this library to use: useFramePreview(c) Hide scroll-bars The options allow you to specify the width to use in hiding the scroll-bar. Disabling animated headling may make the page load faster for devices with very limited capabilities (hopefully invisibly for people that ar e visually impaired). joaquintournier@Joaquins-MacBook-Pro Rival %

Vote

2 / 4

World Map SVGimage generation

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

GPT-5 Pro

Openai · Oct 2025svg

Llama 3.1 405B

Meta · Jul 2024svg

Vote

3 / 4

Surprise Animal SVGimage generation

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

GPT-5 Pro

Openai · Oct 2025svg

Llama 3.1 405B

Meta · Jul 2024text

(Original, at least 100 unique hand-written lines.) For this milestone, I was naturally inclined to use paper and pencil to draft my Doggo drawing. However as I began drawing the Dog, it became clear that I could draw much cleaner and tidie r curves on code than on paper. To this point, Eric Rosenbaum, a PhD graduate fr om MIT writes in his "On the Value of Making in Learning" about the perfectionis t approach some people may take towards learning to create. In his writing about "mastery learning", he says, "A goal of this type of learning is to ensure that all students have a chance to reach the same level of learning by giving more t ime to those who need it." In many ways, I'm more familiar with Illustrator tha n with the pen and pencil I used to draft my preliminary image of Doggo. Like ma stery learning, I was able to achieve the curved lines and shapes that I was loo king for, without having to hone in my pen + paper illustration skills. Utilizing FRIEND S to help describe, with a bit more detail, what makes up a simple illustration of a doggo, I ended up with a short list of attributes: A Doggo has 1 ear. A Doggo has 1 eye. A Doggo has a mouth. A Doggo has a nose. A Doggo has a head which is oval shaped. A Doggo has a body which is like a lowercase "b". A Doggo has a tail that curls a bit. Many of these attributes involve curves by nature, so I used the quadraticCurve To and bezierCurveTo vector commands as well as the ellipse in p5js to help create these shapes. For this m ilestone, I covered the concept of body + tail for Doggo. Here's how it looks so far: As I continue learning, I find myself referring to the Examples from the p5js website to see in-use scri ptin g of commands. (All my doggos on his website are pretty cute and it gives me ano ther incentive to keep on working in this library!) CSS can be tricky. Given something tricky, I often struggle to enjoy parts of it until I truly understan d it . To understand it, I decided to take on every single lesson that Codecademy had to offer on the subject. I use their lessons as a way to replace the how-to tex tbook that most CS students obtain to learn patterns/logic from.

I've come across the abstraction that is CSS many times not just as a web de

veloper, but as a web designer. It's a language that I recognize, a concept that I've interacted with for numero us years, and previous to beginning my journey at ITP I thought I knew a lot abo ut CSS. Little did I know, there are added features to the language that have be en built into the browsers, unheard of by me. It's obvious to me now there is an endless world of information on the subject, and its time for me to prioritize the content covered in these Codecademy courses with the supplementary articles I'll share below. Throughout my studie s of CSS, I've referenced a variety of supplemental education. I'd like to share some of the resources that I found to be useful in my journey of learning CSS: A Designer's Guide to Flexbox Responsive Web Design: What It Is & How to Use It Lastly, here is the code.html file based on the self-portrait I've taken, via Co deSandbox: https://cfryolq 3yw.codesandbox.io/ . Creative Coding is a course at ITP, where we gather to make sense of code and some of its complexities. I'm starting this journey confident in some of the logic of programming, as well as understanding syntax that comprises ideas that builds into the array of programs that solve problems around our built environment. I had assumed that entering t he course, I would pick up a programming language and get down and dirty pretty quickly from my previous knowledge of traditional, procedural programming. Unexpectedly Challenged When we began with HTML , I was presented with new challenges: lots of memorizat ion through the use of Seman tic elements ( How can I think of all of these different values?! ), a lack of t ruly automated concepts ( Though the browser does automate quite a bite in human ity's perspective, admittedly ), and a sense of free form building that I haven' t been able to apply even in Javascipt ( Whoever said creative coding is can't b e done in Javascipt clearly hasn't made it down to this line of text! ). An Unexpected Love Affair with Though this ancient language lacks conditional statements, a complex IDE, and a sisterly language to help st yle it (Hello CSS! 👋), I gravitated towards truly understanding the ...<div

, the ..., and the tables that comprise ancient HTML. Following Another's Time -Worn Teachings I made use of many resources from online HTML Tutorials , to Codecademy Lessons , and even piecing together my previous knowledge to defining the scaffolding for what my site is today. The biggest challenge I found was in making sense from elements that don't need to be closed, to elements that do require closing tags. For now, I'll try to follow in the footsteps of Semantic HTML and keep things consistent where possible. The table below can adapted in many ways. I'm using it to send a message to my instructor Allison and my T.A . Sarah! The Best Resources on HTML Tables I found myself using all of the above resources during this assignment, to make sense of the complexities/li mitations that making a table on HTML can present. Below the illustrated table shows what CSS surprisingly can do and what HTML alone needs help from CSS to ma ke happen in terms of visuals. There are other neat features to play around with that I haven't explored entirely. Needless to say, I find the image file to be a humorous, illustrative piece! https://cdn-images-1.medium.com/max/14000/1*e6Os SIHWKzHwNDZrGNL45w.jpeg An Unexpected Finish Line? (Am I finished?!) Lastly, I left myself a challenge. I've always wondered how add a favicon to sit es. I wasn't confident that I could create the file in HTML until I took Daniel Shiffman's code, and applied it (Copied in Dan's Code) and produced this cute memory of a dog head. Courtesy of GIPHY. All in all, I thought I may jump ship from this Canonical language for the web. I'm here now, heeding it s he avy trodden path hopefully guiding me to continued success in my studies at ITP! Some links to Files Used The .ico file for the favicon.

Vote

4 / 4

Voxel Art Pagoda Gardenweb design

Create a detailed voxel art scene of a pagoda in a beautiful garden using ThreeJS

GPT-5 Pro

Openai · Oct 2025website

Llama 3.1 405B

Meta · Jul 2024website

Couldn't render this response

This model didn't return a displayable web page for this challenge.

View raw output

I'd love to help! Unfortunately, I'm a text-based AI and cannot directly create visual art. However, I can describe a creative and elaborate voxel art scene of a pagoda in a beautiful garden with trees, including cherry blossoms. I'll use words to paint a vivid picture, and you can use your imagination to visualize it.

**Scene Description:**

The voxel art scene is set in a serene and vibrant garden, teeming with life and color. The centerpiece of the scene is a majestic pagoda, crafted with intricate details and ornate architecture. The pagoda's walls are made of a warm, golden-brown voxel material, with a subtle gradient that shimmers in the sunlight. The roof is a deep, burnt orange, with curved tiles that resemble the petals of a flower.

The pagoda stands tall amidst a lush canopy of trees, each with its unique characteristics and voxel texture. The trunks of the trees are sturdy and strong, with visible ridges and grooves that give them a natural, organic feel. The leaves are a vibrant green, with subtle variations in hue and saturation that create a sense of depth and dimension.

To one side of the pagoda, a cluster of cherry blossom trees stands in full bloom. The blossoms are a delicate pink, with soft, feathery petals that seem to dance in the gentle breeze. The voxels used for the blossoms are tiny and detailed, giving the impression of delicate, intricate craftwork.

The garden floor is covered with a vibrant, emerald-green grass, with tiny, colorful flowers scattered throughout. A winding path, made of a warm, beige voxel material, leads visitors through the garden, inviting them to explore the serene atmosphere.

**Additional Details:**

To add an extra layer of depth and visual interest, the scene includes several decorative elements:

* A small, tranquil pond lies at the base of the pagoda, reflecting the vibrant colors of the surrounding foliage. A few water lilies float on the surface, their white blooms adding a touch of serenity to the scene.
* A delicate, filigree-patterned bridge spans a small stream, connecting the pagoda to a secluded seating area. The bridge is adorned with tiny, colorful lanterns that seem to glow with a soft, inner light.
* A variety of colorful, voxel-crafted birds flit through the trees, adding a sense of movement and life to the scene.

**ThreeJS Code:**

While I couldn't create a visual artwork, I can provide a basic ThreeJS code structure that could be used to bring this scene to life. Please note that this code is simplified and would require significant expansion and customization to achieve the desired level of detail and visual fidelity.

```javascript
// Import necessary libraries
import * as THREE from 'three';
import { OrbitControls } from 'three/examples/jsm/controls/OrbitControls';

// Set up the scene
const scene = new THREE.Scene();
scene.background = new THREE.Color(0x87CEEB); // Light blue sky

// Create the pagoda
const pagodaGeometry = new THREE.BoxGeometry(10, 20, 10);
const pagodaMaterial = new THREE.MeshBasicMaterial({ color: 0xFFC499 }); // Golden brown
const pagoda = new THREE.Mesh(pagodaGeometry, pagodaMaterial);
scene.add(pagoda);

// Create the trees
const treeGeometry = new THREE.CylinderGeometry(2, 2, 10);
const treeMaterial = new THREE.MeshBasicMaterial({ color: 0x3E8E41 }); // Green
const tree = new THREE.Mesh(treeGeometry, treeMaterial);
scene.add(tree);

// Create the cherry blossom trees
const blossomGeometry = new THREE.SphereGeometry(1, 16, 16);
const blossomMaterial = new THREE.MeshBasicMaterial({ color: 0xFF69B4 }); // Pink
const blossom = new THREE.Mesh(blossomGeometry, blossomMaterial);
scene.add(blossom);

// Create the garden floor
const floorGeometry = new THREE.PlaneGeometry(100, 100);
const floorMaterial = new THREE.MeshBasicMaterial({ color: 0x32CD32 }); // Green
const floor = new THREE.Mesh(floorGeometry, floorMaterial);
scene.add(floor);

// Add lights and camera
const ambientLight = new THREE.AmbientLight(0x333333);
scene.add(ambientLight);

const camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);
camera.position.set(0, 10, 20);

// Render the scene
const renderer = new THREE.WebGLRenderer({
  canvas: document.getElementById('canvas'),
  antialias: true
});
renderer.setSize(window.innerWidth, window.innerHeight);
renderer.render(scene, camera);

// Animate the scene
function animate() {
  requestAnimationFrame(animate);
  // Add animation logic here
  renderer.render(scene, camera);
}
animate();
```

Please note that this code is just a starting point, and significant work would be required to bring the scene to life with animations, lighting, and other details.

Vote

4 of 4

FAQ

Continue exploring

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GPT-5 Pro vs Claude Opus 4New provider

I've come across the abstraction that is CSS many times not just as a web de

, the ..., and the tables that comprise ancient HTML. Following Another's Time -Worn Teachings I made use of many resources from online HTML Tutorials , to Codecademy Lessons , and even piecing together my previous knowledge to defining the scaffolding for what my site is today. The biggest challenge I found was in making sense from elements that don't need to be closed, to elements that do require closing tags. For now, I'll try to follow in the footsteps of Semantic HTML and keep things consistent where possible. The table below can adapted in many ways. I'm using it to send a message to my instructor Allison and my T.A . Sarah! The Best Resources on HTML Tables I found myself using all of the above resources during this assignment, to make sense of the complexities/li mitations that making a table on HTML can present. Below the illustrated table shows what CSS surprisingly can do and what HTML alone needs help from CSS to ma ke happen in terms of visuals. There are other neat features to play around with that I haven't explored entirely. Needless to say, I find the image file to be a humorous, illustrative piece! https://cdn-images-1.medium.com/max/14000/1*e6Os SIHWKzHwNDZrGNL45w.jpeg An Unexpected Finish Line? (Am I finished?!) Lastly, I left myself a challenge. I've always wondered how add a favicon to sit es. I wasn't confident that I could create the file in HTML until I took Daniel Shiffman's code, and applied it (Copied in Dan's Code) and produced this cute memory of a dog head. Courtesy of GIPHY. All in all, I thought I may jump ship from this Canonical language for the web. I'm here now, heeding it s he avy trodden path hopefully guiding me to continued success in my studies at ITP! Some links to Files Used The .ico file for the favicon.