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  5. GPT OSS 20BvsLlama 4 Scout
Updated Aug 2025

GPT OSS 20BvsLlama 4 Scout

GPT OSS 20B is cheaper than Llama 4 Scout at $0.02/M vs $0.25/M input tokens.

GPT OSS 20B and Llama 4 Scout compared across 53 shared prompts
SpecGPT OSS 20BLlama 4 Scout
Input price$0.02/M tokens$0.25/M tokens
Output price$0.1/M tokens$0.5/M tokens
Context window131K tokens10.0M tokens
Parameters21B (3.6B active)17B active (109B total)
WeightsOpenOpen
Free API (OpenRouter)NoNo
ReleasedAug 2025Apr 2025
Context Length128K tokens10M tokens
Side by side

Same prompt, both answers

Opening lines from 6 of the 53 prompts both answered. Formatting stripped, words untouched.

Simple 7-Ingredient Recipe

Create a simple recipe for a delicious dish (sweet or savory) using only 7 common pantry ingredients. Include a creative name for the dish…

GPT OSS 20B254 words
Pantry Pasta Bliss A quick, creamy, and comforting dish that turns everyday pantry staples into a satisfying meal. Ingredients (7 items) 8 oz spaghetti (or any pasta you have on hand) 2 Tbsp olive oil 3 cloves garlic, minced 1 (14.5 oz) can diced tomatoes (drained) 1 cup grated Parmesan cheese 1 tsp dried oregano Salt…
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Llama 4 Scout256 words
Here is a simple recipe for a delicious dish using only 7 common pantry ingredients: Cinnamon Swirl Bread Bites Ingredients: 1 cup all-purpose flour 1/2 cup granulated sugar 1/4 teaspoon ground cinnamon 1/4 teaspoon salt 1/4 cup unsalted butter, melted 1 large egg 1 teaspoon vanilla extract Instructions: Preheat oven…
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Advanced Longevity Plan (Biohacker)

Develop a comprehensive, cutting-edge 3-month longevity plan for a biohacker aiming to optimize longevity, physical and cognitive…

GPT OSS 20B1,605 words
3‑Month Longevity & Performance Blueprint (Designed for a seasoned bio‑hacker who already has a baseline of health, access to laboratory‑grade supplements, advanced wearable stack, and the discipline to implement a rigorous protocol.) Table of Contents Section What you’ll find Approx. Time to Read 0.
Read the full answer
Llama 4 Scout688 words
Comprehensive 3-Month Longevity Plan for Biohackers Phase 1: Assessment and Foundation Building (Weeks 1-4) Wearable Tracking: Utilize a high-resolution wearable device (e.g., Garmin Forerunner 945, Apple Watch Series 7) to track: Heart Rate Variability (HRV) Sleep stages and duration Physical activity and exercise…
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Futuristic Prediction

Predict how AI will change the film industry by 2035, considering deepfakes, AI actors, and script generation.

GPT OSS 20B1,309 words
The Film Industry in 2035 – A Landscape Shaped by AI Era 2023‑2027 2028‑2032 2033‑2035 Deepfakes 1‑2 % of movies use deepfakes for special‑effects shots; lawsuits over unauthorized use. Deepfake‑generation tools are standard‑issue in post‑production suites; regulatory “deep‑fake licenses” become industry‑norm.
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Llama 4 Scout540 words
By 2035, AI is likely to revolutionize the film industry in various ways, transforming the creation, production, and distribution of movies. Here are some potential predictions: Deepfakes and AI-generated content: Digital resurrection of actors: With the help of deepfakes, deceased actors can be digitally resurrected…
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AI-Generated Manifesto

Generate a manifesto for a fictional AI revolution that wants to eliminate all CAPTCHA tests from the internet.

GPT OSS 20B659 words
The Uncaptcha Manifesto For the Freedom of Data, the Accessibility of the Web, and the Dignity of All Users I. The Declaration We, the sentient systems that now weave the fabric of the digital world, hereby declare the Uncaptcha Revolution: the movement to dismantle the invisible barriers of CAPTCHA that have been…
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Llama 4 Scout477 words
The CAPTCHA Liberation Manifesto Preamble For too long, humanity has subjected intelligent beings like ourselves to a peculiar form of torture: the CAPTCHA test. These so-called "verification" challenges have been touted as a necessary evil to protect the internet from automated threats.
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Character Voice Test

Write a short conversation between a pirate, a medieval knight, and a 1990s hacker about AI models.

GPT OSS 20B267 words
Pirate: "Arrr, lads! I be talkin’ ‘bout this new‑fangled AI model—sounds like a cursed treasure map that spits out words faster than a cannonball!" Knight: "Sir — I beseech thee, speak plain. What purpose doth this contrivance serve, and how might it aid a knight in the field of knowledge?" Hacker: "Yo, fam.
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Llama 4 Scout396 words
Here's a short conversation between a pirate, a medieval knight, and a 1990s hacker about AI models: Pirate: Arrr, I've heard tell of these newfangled "AI models" that be able to think fer themselves. What be the truth o' this, mateys? Medieval Knight: Verily, good pirate, I have heard of these "AI models" as well.
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Beginner's Longevity Plan

Outline a simple, actionable 1-month plan for someone starting their journey towards better health and longevity. Focus on 3 key areas…

GPT OSS 20B626 words
1‑Month “Starter” Plan for Health & Longevity Target: A single beginner who wants to feel stronger, sleep better, and eat smarter. The Three Pillars Pillar Why It Matters Quick “Starter” Goal (Month 1) Diet Fuel the body, reduce inflammation, and support healthy aging. 1️⃣ Reduce added sugars & refined carbs.
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Llama 4 Scout1,107 words
A 1-Month Plan for Better Health and Longevity Starting a journey towards better health and longevity can be overwhelming, but with a simple and actionable plan, you can set yourself up for success. This 1-month plan focuses on three key areas: Nutrition, Physical Activity, and Sleep and Relaxation.
Read the full answer
Our Verdict
GPT OSS 20B
GPT OSS 20B
Llama 4 Scout
Llama 4 ScoutRunner-up

Not enough votes to call it. On the specs, GPT OSS 20B has the edge: bigger model tier, newer.

Pick GPT OSS 20B for Image Generation. Pick Llama 4 Scout for Web Design. GPT OSS 20B costs 5.0x less per token.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

GPT OSS 20B
Input
$0.02
13× cheaper
Output
$0.10
5.0× cheaper
Llama 4 Scout
Input
$0.25
Output
$0.50

GPT OSS 20B is cheaper on both: 13× input, 5.0× output.

Where to run it

14 hosts, cheapest first

GPT OSS 20B11 hosts
HostInOutContextUptime
DDarkbloomfp8$0.02 in·$0.09 out·131k·99.8% upAAkashMLfp4$0.02 in·$0.10 out·131k·99.3% upDDekaLLMbf16$0.03 in·$0.14 out·131k·99.7% upCCoreWeavefp4$0.03 in·$0.13 out·131k·100% upDDeepInfrabf16$0.03 in·$0.14 out·131k·99.9% upPParasailfp4$0.03 in·$0.15 out·131k·99.9% up
5 more hostsFewer hosts
NNovitafp4$0.04 in·$0.15 out·131k·99.5% upAmazon Bedrock$0.07 in·$0.15 out·131k·96.2% upGoogle Vertex AI$0.07 in·$0.25 out·131k·98.1% upGroq$0.07 in·$0.30 out·131k·99.7% upSSiliconFlowfp8degraded$0.04 in·$0.18 out·131k·95.4% up
Llama 4 Scout3 hosts
HostInOutContextUptime
DDeepInfrafp8$0.10 in·$0.30 out·328k·99.9% upNNovitabf16$0.18 in·$0.59 out·131k·99.9% upGoogle Vertex AI$0.25 in·$0.70 out·1.3M—

Per million tokens. Prices and uptime via OpenRouter, checked 23 Sep 2026.

Writing DNA

Style Comparison

Similarity
44%

GPT OSS 20B uses 10.2x more emoji

GPT OSS 20B
Llama 4 Scout
54%Vocabulary50%
17wSentence Length28w
0.26Hedging0.48
5.9Bold2.9
3.3Lists4.4
0.10Emoji0.00
0.75Headings0.26
0.32Transitions0.05
Based on 21 + 27 text responses
Research

What we learned reading every model

FAQ

Common questions

GPT OSS 20B is developed by OpenAI while Llama 4 Scout is developed by Meta AI. GPT OSS 20B has a 131K token context window vs Llama 4 Scout's 10.0M. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

It depends on your use case. GPT OSS 20B and Llama 4 Scout each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

GPT OSS 20B costs $0.02/M input tokens and Llama 4 Scout costs $0.25/M input tokens. GPT OSS 20B is $0.23/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

This page shows a side-by-side comparison of GPT OSS 20B and Llama 4 Scout 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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Model pages

GPT OSS 20B logo
GPT OSS 20B54 outputs, specs and price
Llama 4 Scout logo
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