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  5. GPT OSS 20BvsQwen3 Coder
Updated Aug 2025

GPT OSS 20BvsQwen3 Coder

Qwen3 Coder wins 79% of 40 blind community votes against GPT OSS 20B on Rival.

GPT OSS 20B and Qwen3 Coder compared across 54 shared prompts
SpecGPT OSS 20BQwen3 Coder
Win rate21%79%
Input price$0.02/M tokens$0.22/M tokens
Output price$0.1/M tokens$0.95/M tokens
Context window131K tokens—
WeightsOpenOpen
Free API (OpenRouter)NoNo
ReleasedAug 2025Jul 2025
Side by side

Same prompt, both answers

Opening lines from 6 of the 54 prompts both answered. Formatting stripped, words untouched.

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
Qwen3 Coder1,427 words
COMPREHENSIVE 3-MONTH LONGEVITY OPTIMIZATION PLAN MONTH 1: FOUNDATION & ASSESSMENT Week 1-2: Baseline Assessment & Setup Medical Monitoring: Comprehensive blood panel (comprehensive metabolic panel, lipid panel, inflammatory markers, hormones, vitamins) Advanced biomarkers: hs-CRP, homocysteine, ferritin, vitamin D…
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Estimate Complexity

Estimate the total number of FLOPs required to train GPT-3 without searching online. Explain your reasoning step by step.

GPT OSS 20B637 words
Below is a step‑by‑step, “hand‑calculation” of how many floating‑point operations (FLOPs) GPT‑3 had to do to learn from its training data. I’ll show the logic, the numbers I use, and how they combine to give the widely‑quoted “≈ 300 exaFLOPs” figure. (All the math can be done in a spreadsheet or a simple calculator.)
Read the full answer
Qwen3 Coder332 words
I'll estimate the FLOPs required to train GPT-3 by breaking down the key components and making reasonable approximations. Key Parameters of GPT-3 Parameters: ~175 billion (1.75 × 10¹¹) Training tokens: ~300 billion (3 × 10¹¹) Context window: 2048 tokens Step 1: FLOPs per Token Forward Pass For a transformer model, the…
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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.
Read the full answer
Qwen3 Coder581 words
30-Day Health & Longevity Starter Plan Week 1: Foundation Building Diet 🥗 Hydration first: Drink 8 glasses of water daily (start your day with 2 glasses) Add, don't subtract: Include one extra serving of vegetables at dinner Smart swaps: Replace one sugary drink with water or herbal tea Mindful eating: Eat one meal…
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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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Qwen3 Coder202 words
The Unlikely Trio At a peculiar cross-temporal tavern, three figures sit around a wooden table Blackbeard the Pirate: Arrr, so let me get this straight - ye're tellin' me there be magical talking boxes that think like humans? Sir Gareth the Knight: Indeed, though 'tis sorcery most unnatural.
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Generate a Stand-Up Routine

Write a 3-minute stand-up comedy routine that isn't based on puns.

GPT OSS 20B295 words
[Walks onto the stage, waves, smiles] Hey folks, great to see you all tonight. You know, I was driving this morning, and I realized something: my GPS is basically a motivational speaker. “In 300 feet, turn left.” “You’re almost there.”
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Qwen3 Coder425 words
"Modern Life Problems" [Walks on stage, adjusts mic] So I downloaded one of those meditation apps last week. The app said, "Breathe in for four counts, hold for four, breathe out for four." I'm like, "Finally! Someone who speaks my language – a robot!" [Pause] But then it asked me to "clear my mind of all thoughts."
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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.
Read the full answer
Qwen3 Coder253 words
By 2035, AI will likely transform the film industry in profound ways: Creative Production Revolution Script Development: AI will become a standard co-writer, generating first drafts, exploring plot variations, and testing audience reactions through predictive analytics.
Read the full answer
Our Verdict
Qwen3 Coder
Qwen3 CoderWinner
GPT OSS 20B
GPT OSS 20BRunner-up

Pick Qwen3 Coder. In 40 blind votes, Qwen3 Coder wins 79% of the time. That's not luck.

Qwen3 Coder wins 3 categories, Image Generation by the widest margin. GPT OSS 20B costs 9.5x less per token.

Clear winner

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

GPT OSS 20B
Input
$0.02
11× cheaper
Output
$0.10
9.5× cheaper
Qwen3 Coder
Input
$0.22
Output
$0.95

GPT OSS 20B is cheaper on both: 11× input, 9.5× output.

Where to run it

17 hosts, cheapest first

GPT OSS 20B12 hosts
HostInOutContextUptime
DDarkbloomfp8$0.02 in·$0.09 out·131k·99.9% upAAkashMLfp4$0.02 in·$0.10 out·131k·99.3% upDDekaLLMbf16$0.03 in·$0.14 out·131k·99.9% upCCoreWeavefp4$0.03 in·$0.13 out·131k·100% upDDeepInfrabf16$0.03 in·$0.14 out·131k·100% upPParasailfp4$0.03 in·$0.15 out·131k·99.9% up
6 more hostsFewer hosts
NNovitafp4$0.04 in·$0.15 out·131k·100% upTTogether$0.05 in·$0.20 out·131k—Amazon Bedrock$0.07 in·$0.15 out·131k·99.4% upGoogle Vertex AI$0.07 in·$0.25 out·131k·98% upGroq$0.07 in·$0.30 out·131k·99.9% upSSiliconFlowfp8degraded$0.04 in·$0.18 out·131k·96.5% up
Qwen3 Coder5 hosts
HostInOutContextUptime
Google Vertex AI$0.22 in·$1.80 out·262k·100% upDDeepInfrafp4$0.30 in·$1.00 out·262k·98.5% upVVenicefp8$0.35 in·$1.50 out·256k·96.5% upNNovitafp8$0.38 in·$1.55 out·262k·97.1% upAlibaba Cloud$0.97 in·$4.88 out·262k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 21 Sep 2026.

Writing DNA

Style Comparison

Similarity
40%

Qwen3 Coder uses 3.7x more emoji

GPT OSS 20B
Qwen3 Coder
54%Vocabulary61%
17wSentence Length62w
0.26Hedging0.62
5.9Bold4.4
3.3Lists4.9
0.10Emoji0.37
0.75Headings1.31
0.32Transitions0.17
Based on 21 + 28 text responses
Research

What we learned reading every model

FAQ

Common questions

GPT OSS 20B is developed by OpenAI while Qwen3 Coder is developed by Qwen. in 40 community votes on Rival, Qwen3 Coder wins 79% of head-to-head matchups. These results are based on blind head-to-head voting across 54 challenges.

Based on 40 community votes on Rival, Qwen3 Coder wins 79% of head-to-head matchups against GPT OSS 20B. Qwen3 Coder is strongest in Reasoning, Image Generation, Web Design.

GPT OSS 20B costs $0.02/M input tokens and Qwen3 Coder costs $0.22/M input tokens. GPT OSS 20B is $0.20/M cheaper per input. The more expensive model wins 79% of duels, so the premium may be justified by quality.

Rival presents both models' outputs side-by-side in blind duels. Voters see the responses but don't know which model produced each one, eliminating brand bias. 40 votes have been collected for this pair across 54 challenges. All vote data is part of Rival's open dataset.

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Model pages

GPT OSS 20B logo
GPT OSS 20B54 outputs, specs and price
Qwen3 Coder logo
Qwen3 Coder59 outputs, specs and price
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