Skip to content
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed
  1. Home
  2. /
  3. Compare
  4. /
  5. GPT OSS 20BvsINTELLECT-3
Updated Nov 2025

GPT OSS 20BvsINTELLECT-3

INTELLECT-3 is the newer model, released after GPT OSS 20B.

GPT OSS 20B and INTELLECT-3 compared across 54 shared prompts
SpecGPT OSS 20BINTELLECT-3
Input price$0.02/M tokens—
Output price$0.1/M tokens—
Context window131K tokens—
WeightsOpenOpen
Free API (OpenRouter)NoNo
ReleasedAug 2025Nov 2025
Side by side

Same prompt, both answers

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

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
INTELLECT-3524 words
To estimate the total number of FLOPs required to train GPT-3, we need to consider the model architecture, training process, and dataset size. GPT-3 has 175 billion parameters, a context length of 2048 tokens, 96 layers, a hidden dimension of 12,288, and a feed-forward dimension of 49,152 (4 × hidden dimension).
Read the full answer

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
INTELLECT-3612 words
By 2035, AI will profoundly reshape the film industry, integrating deeply into production, distribution, and consumption. Here's a breakdown of key changes driven by deepfakes, AI actors, and script generation, alongside broader impacts: Deepfakes & Synthetic Media: De-Aging & Legacy Preservation: Seamless de-aging…
Read the full answer

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.”
Read the full answer
INTELLECT-3705 words
Here's a 3-minute stand-up routine focusing on observational humor, relatable frustrations, and absurdities of modern life, avoiding puns entirely: (Lights up, slight exhale) Okay, so... who here owns a phone? (Pause, nod) Yeah, thought so. Everyone.
Read the full answer

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
INTELLECT-3949 words
Here's a simple, actionable 1-month plan focusing on Diet, Movement (Exercise), and Sleep – foundational pillars for health and longevity. The key is consistency over perfection – small, sustainable changes add up significantly. Core Principle: Build one habit at a time each week, layering them.
Read the full answer

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.
Read the full answer
INTELLECT-3312 words
Setting: A dimly tavern, where the three unlikely figures meet over pints of ale. Characters: CAPTAIN BLACKBEARD (Pirate): Grizzled, eye-patched, with a parrot on his shoulder. SIR GALAHAD (Medieval Knight): Clad in dented armor, sipping mead.
Read the full answer

Debug This Architecture

Here's the architecture for a real-time collaborative document editor (like Google Docs): **System Overview:** - Frontend: React SPA with…

GPT OSS 20B1,577 words
Below is a “code‑review” of the design you posted. I’ve broken it down into failure modes / race conditions / bottlenecks and for each one I provide a concrete fix (or set of fixes) together with the main trade‑offs you’ll pay for it.
Read the full answer
INTELLECT-3962 words
Analysis of Potential Issues in Real-Time Collaborative Document Editor Architecture Failure Modes WebSocket Connection Failures Issue: Users may experience interruptions due to unstable networks or server load balancer timeouts.
Read the full answer
Our Verdict
GPT OSS 20B
GPT OSS 20B
INTELLECT-3
INTELLECT-3

Not enough votes to call it. On the specs, nothing separates them.

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
Output
$0.10
INTELLECT-3
Input
—
Output
—
Where to run it

12 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
INTELLECT-3

No hosts listed on OpenRouter.

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

Writing DNA

Style Comparison

Similarity
46%

INTELLECT-3 uses 2.8x more emoji

GPT OSS 20B
INTELLECT-3
54%Vocabulary55%
17wSentence Length21w
0.26Hedging0.63
5.9Bold4.9
3.3Lists4.6
0.10Emoji0.29
0.75Headings1.06
0.32Transitions0.23
Based on 21 + 28 text responses
Research

What we learned reading every model

FAQ

Common questions

GPT OSS 20B is developed by OpenAI while INTELLECT-3 is developed by OpenRouter. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

It depends on your use case. GPT OSS 20B and INTELLECT-3 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

This page shows a side-by-side comparison of GPT OSS 20B and INTELLECT-3 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.

Keep exploring

More comparisons

Against the newest arrivals

GPT OSS 20B logoGPT-6 Astra Pro logo
GPT OSS 20B vs GPT-6 Astra ProLanded Sep 2026
INTELLECT-3 logoGPT-6 Astra logo
INTELLECT-3 vs GPT-6 AstraLanded Sep 2026
GPT OSS 20B logoClaude Fable 5.1 logo
GPT OSS 20B vs Claude Fable 5.1Landed Sep 2026
INTELLECT-3 logoMuse Spark 1.3 logo
INTELLECT-3 vs Muse Spark 1.3Landed Sep 2026
GPT OSS 20B logoHy4 Preview logo
GPT OSS 20B vs Hy4 PreviewLanded Sep 2026
INTELLECT-3 logoGemini 3.8 Flash logo
INTELLECT-3 vs Gemini 3.8 FlashLanded Sep 2026
GPT OSS 20B logoMuse Spark 1.3 Contributor logo
GPT OSS 20B vs Muse Spark 1.3 ContributorLanded Sep 2026
INTELLECT-3 logoMercury 2.5 Preview logo
INTELLECT-3 vs Mercury 2.5 PreviewLanded Sep 2026

Same lab, same size, long tail

GPT OSS 20B logoGPT OSS 120B logo
GPT OSS 20B vs GPT OSS 120BVersion compare
GPT OSS 20B logoGPT-6 Astra logo
GPT OSS 20B vs GPT-6 AstraSame lab
INTELLECT-3 logoOx Alpha logo
INTELLECT-3 vs Ox AlphaSame lab
INTELLECT-3 logoOpenRouter Fusion · Budget (Jun 2026) logo
INTELLECT-3 vs OpenRouter Fusion · Budget (Jun 2026)Same lab
INTELLECT-3 logoGLM 5 Turbo logo
INTELLECT-3 vs GLM 5 TurboNew provider
INTELLECT-3 logoGLM 5.1 logo
INTELLECT-3 vs GLM 5.1Same size
INTELLECT-3 logoGLM 5.2 logo
INTELLECT-3 vs GLM 5.2New provider
INTELLECT-3 logoGPT-5.3 Chat logo
INTELLECT-3 vs GPT-5.3 ChatSame size

Model pages

GPT OSS 20B logo
GPT OSS 20B54 outputs, specs and price
INTELLECT-3 logo
INTELLECT-359 outputs, specs and price
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed