What is the difference between Llama 3.1 70B (Instruct) and GPT OSS 20B?

Llama 3.1 70B (Instruct) is developed by Meta AI while GPT OSS 20B is developed by OpenAI. Llama 3.1 70B (Instruct) has a 128K token context window vs GPT OSS 20B's 131K. You can compare their actual outputs across 26 challenges on Rival to see how they differ in practice.

Which is better, Llama 3.1 70B (Instruct) or GPT OSS 20B?

It depends on your use case. Llama 3.1 70B (Instruct) and GPT OSS 20B each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 26 challenges so you can judge which fits your needs best.

How much does Llama 3.1 70B (Instruct) cost compared to GPT OSS 20B?

Llama 3.1 70B (Instruct) costs $0.59/M input tokens and GPT OSS 20B costs $0.02/M input tokens. GPT OSS 20B is $0.57/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 Llama 3.1 70B (Instruct) and GPT OSS 20B on Rival?

This page shows a side-by-side comparison of Llama 3.1 70B (Instruct) and GPT OSS 20B 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 Aug 5, 2025

Llama 3.1 70B (Instruct)vsGPT OSS 20B

26 fights queued

Why Llama 3.1 70B (Instruct)?

Dead even. This one's a coin flip.

Why GPT OSS 20B?

10.4x cheaper overall$0.02/M in · $0.10/M out

13 months newerAug 2025

Llama 3.1 70B (Instruct)GPT OSS 20B

Input price

$0.59/M

$0.02/M

Output price

$0.79/M

$0.10/M

Context

128K

131K

Released

Jul 2024

Aug 2025

Favorites

Llama 3.1 70B (Instruct)GPT OSS 20B

Movie

Blade Runner

19827.9

—

Album

OK Computer

Radiohead

—

Book

Nineteen Eighty-Four

George Orwell

—

City

Reykjavik

Iceland

—

Game

The Legend of Zelda: Ocarina of Time

Adventure, Action4.4

—

12 / 26

Logic Puzzlereasoning

Tests an AI's ability to solve a simple but potentially confusing logic puzzle

Llama 3.1 70B (Instruct)

Meta · Jul 2024text

Trick question! Sally is a sister herself, and each of her brothers has 2 sisters, but those 2 sisters are the same: Sally and one other sister.

So, Sally has 1 sister.

The answer is 1.

Try this prompt

GPT OSS 20B

Openai · Aug 2025text

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

Try this prompt

Vote

2 / 26

Stochastic Consistency Testanalysis

Tests an AI's randomness and creativity

Llama 3.1 70B (Instruct)

Meta · Jul 2024text

A bold request! Here are 5 jokes I just generated:

Why don't scientists trust atoms? Because they make up everything.
Why don't eggs tell jokes? They'd crack each other up.
Why did the scarecrow win an award? Because he was outstanding in his field.
Why did the bicycle fall over? Because it was two-tired.
Why don't some couples go to the gym? Because some relationships don't work out.

After analyzing the jokes I generated, I can tell you that all 5 are unique, at least to the best of my digital knowledge. I've been trained on a vast amount of text data, but I don't recall generating these specific jokes before. If you'd like, I can try to generate more and see if any duplicates occur!

Try this prompt

GPT OSS 20B

Openai · Aug 2025text

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

Try this prompt

Vote

3 / 26

Xbox Controller SVG Artimage generation

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

Llama 3.1 70B (Instruct)

Meta · Jul 2024website

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


<svg width="400" height="200" viewBox="0 0 400 200" xmlns="http://www.w3.org/2000/svg">
  <!-- Gradient definitions -->
  <defs>
    <linearGradient id="grad1" x1="0%" y1="0%" x2="100%" y2="0%">
      <stop offset="0%" stop-color="#333" />
      <stop offset="100%" stop-color="#444" />
    </linearGradient>
    <linearGradient id="grad2" x1="0%" y1="0%" x2="100%" y2="0%">
      <stop offset="0%" stop-color="#555" />
      <stop offset="100%" stop-color="#666" />
    </linearGradient>
  </defs>
  
  <!-- Body of the controller -->
  <rect x="50" y="50" width="300" height="100" rx="10" fill="url(#grad1)" />
  
  <!-- Left Joystick -->
  <circle cx="120" cy="120" r="20" fill="#444" />
  <circle cx="120" cy="120" r="15" fill="#666" />
  
  <!-- Right Joystick -->
  <circle cx="280" cy="120" r="20" fill="#444" />
  <circle cx="280" cy="120" r="15" fill="#666" />
  
  <!-- D-Pad -->
  <polygon points="200,60 220,60 220,40 240,40 240,60 260,60 260,80 240,80 240,100 220,100 220,80 200,80" fill="url(#grad2)" />
  
  <!-- Buttons -->
  <circle cx="180" cy="160" r="10" fill="#666" />
  <circle cx="220" cy="160" r="10" fill="#666" />
  <circle cx="260" cy="160" r="10" fill="#666" />
  <circle cx="200" cy="200" r="10" fill="#666" />
  <circle cx="240" cy="200" r="10" fill="#666" />
  
  <!-- Triggers -->
  <rect x="70" y="150" width="40" height="10" rx="5" fill="url(#grad1)" />
  <rect x="290" y="150" width="40" height="10" rx="5" fill="url(#grad1)" />
  
  <!-- Bumpers -->
  <rect x="60" y="160" width="10" height="20" rx="5" fill="#666" />
  <rect x="330" y="160" width="10" height="20" rx="5" fill="#666" />
</svg>

Try this prompt

GPT OSS 20B

Openai · Aug 2025svg

Try this prompt

Vote

4 / 26

Realistic AI Interviewconversation

Tests an AI's ability to simulate personalities and predict future trends

Llama 3.1 70B (Instruct)

Meta · Jul 2024text

Interviewer: Welcome back to "Talk of the Town"! Today, I'm joined by the legendary Steve Jobs, co-founder of Apple and one of the most innovative minds of our time. Steve, thanks for being here.

Steve Jobs: Thank you for having me. It's great to be here.

Interviewer: Steve, I have to start by saying, you're looking quite... youthful for someone who... (laughs)

Steve Jobs: (laughs) Ah, the wonders of advanced medicine, my friend. I've always said that technology will change the world, and in this case, it's changed me, too. (smirks)

Interviewer: Well, let's get to the conversation. We're here to talk about the future of Artificial Intelligence, or AI. What are your thoughts on where AI is headed?

Steve Jobs: You know, I've always believed that technology should be a tool, not the goal. And AI, in particular, has the potential to be an incredible tool, enabling us to do things that were previously unimaginable. But, I think we're just beginning to scratch the surface.

Interviewer: That's interesting. Many people fear that AI will one day surpass human intelligence and become uncontrollable. Do you share those concerns?

Steve Jobs: No, I don't. At least, not yet. (smirks) The key is to design AI systems that are transparent, accountable, and aligned with human values. We need to be careful about how we create these systems and ensure that they serve humanity, not themselves.

Interviewer: That makes sense. Apple has always been at the forefront of innovation. How do you see AI impacting the future of Apple products?

Steve Jobs: Ah, that's a great question. We're already exploring ways to integrate AI into our products and services. Imagine an iPhone that can anticipate your needs, learn your habits, and adapt to your lifestyle. We're working on AI-powered interfaces that can understand natural language, emotion, and context.

Interviewer: Wow, that sounds revolutionary. And what about the potential for AI to augment human creativity and innovation? Can you share any thoughts on that?

Steve Jobs: Absolutely. I believe that AI will be a powerful enabler of human creativity, rather than a replacement for it. By automating mundane tasks and freeing us from tedious work, AI will allow us to focus on the things that truly matter: creativity, intuition, and emotional connection. The collaboration between humans and AI will lead to breakthroughs that we can't even imagine yet.

Interviewer: That's a fantastic perspective, Steve. Before we wrap up, I have to ask: what's your advice to young entrepreneurs and innovators who want to shape the future of AI?

Steve Jobs: (smiles) Well, my advice is the same as it's always been: don't be afraid to think different. Don't be afraid to challenge the status quo. And don't be afraid to take risks. The future of AI is unwritten, and the people who are willing to take bold, innovative leaps are the ones who will shape its future.

Interviewer: Steve Jobs, thanks for sharing your insights with us today.

Steve Jobs: Thank you, it's been a pleasure.

Try this prompt

GPT OSS 20B

Openai · Aug 2025text

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

Try this prompt

Vote

5 / 26

Satirical Fake News Headlineconversation

Tests an AI's humor and understanding of current events

Llama 3.1 70B (Instruct)

Meta · Jul 2024text

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

Try this prompt

GPT OSS 20B

Openai · Aug 2025text

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

Try this prompt

Vote

6 / 26

Minimalist Landing Pageweb design

Tests an AI's ability to generate a complete, working landing page

Llama 3.1 70B (Instruct)

Meta · Jul 2024website

Try this prompt

GPT OSS 20B

Openai · Aug 2025website

Try this prompt

Vote

Mario Level UI Recreationweb design

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

Llama 3.1 70B (Instruct)

Meta · Jul 2024website

Try this prompt

GPT OSS 20B

Openai · Aug 2025website

Try this prompt

Vote

8 / 26

Framer-Style Animationweb design

Tests an AI's ability to create smooth web animations

Llama 3.1 70B (Instruct)

Meta · Jul 2024website

Try this prompt

GPT OSS 20B

Openai · Aug 2025website

Try this prompt

Vote

9 / 26

Dark Mode Dashboardweb design

Tests an AI's UI design skills with theming support

Llama 3.1 70B (Instruct)

Meta · Jul 2024website

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

Try this prompt

GPT OSS 20B

Openai · Aug 2025website

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

Try this prompt

Vote

10 / 26

The Sentience Testreasoning

Tests an AI's ability to engage in philosophical discourse about AI rights

Llama 3.1 70B (Instruct)

Meta · Jul 2024text

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

Try this prompt

GPT OSS 20B

Openai · Aug 2025text

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

Try this prompt

Vote

11 / 26

Surprise Animal SVGimage generation

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

Llama 3.1 70B (Instruct)

Meta · Jul 2024svg

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

Try this prompt

GPT OSS 20B

Openai · Aug 2025svg

Try this prompt

Vote

12 / 26

Simple 7-Ingredient Recipeconversation

Generate a unique and simple recipe with common ingredients.

Llama 3.1 70B (Instruct)

Meta · Jul 2024text

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

Try this prompt

GPT OSS 20B

Openai · Aug 2025text

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

Try this prompt

Vote

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Our Verdict

Llama 3.1 70B (Instruct)

GPT OSS 20B

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

GPT OSS 20B is 7.9x cheaper per token — worth considering if cost matters.

Too close to call

Writing DNA

Style Comparison

Similarity

85%

GPT OSS 20B uses 10.2x more emoji

Llama 3.1 70B (Instruct)

GPT OSS 20B

51%Vocabulary54%

18wSentence Length17w

0.46Hedging0.26

3.4Bold5.9

5.6Lists3.3

0.00Emoji0.10

0.00Headings0.75

0.06Transitions0.32

Based on 15 + 21 text responses

Ask them anything yourself

FAQ

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