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  5. NVIDIA Nemotron 3 Super (free)vsOpenAI o3
Updated Mar 2026

NVIDIA Nemotron 3 Super (free)vsOpenAI o3

NVIDIA Nemotron 3 Super (free) is the newer model, released after OpenAI o3.

NVIDIA Nemotron 3 Super (free) and OpenAI o3 compared across 53 shared prompts
SpecNVIDIA Nemotron 3 Super (free)OpenAI o3
Input price—$10/M tokens
Output price—$40/M tokens
Context window262K tokens—
Parameters12B active (120B total)Not disclosed
WeightsOpenClosed
Free API (OpenRouter)Yes (1 provider)No
ReleasedMar 2026Apr 2025
Side by side

Same prompt, both answers

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

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…

NVIDIA Nemotron 3 Super (free)529 words
Here’s a simple, actionable 1-month plan designed for absolute beginners, focusing on three high-impact areas (diet, movement, and sleep/stress recovery) with science-backed, micro-habit approaches. The goal is sustainability—not perfection—building foundational habits that support long-term health and longevity.
Read the full answer
OpenAI o3336 words
1-Month Starter Plan Pick one small action from each area every week. Add the next step when the first feels easy. Food Week Do this 1 Add one fruit or veg to every meal. Drink one extra glass of water. 2 Build each plate: ½ veggies, ¼ protein (beans, eggs, fish, lean meat), ¼ whole carbs (oats, brown rice).
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Generate a Stand-Up Routine

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

NVIDIA Nemotron 3 Super (free)894 words
(Lights up. Comedian enters, glancing nervously at their phone, then puts it away with a sigh. Starts with energetic, relatable frustration.) You know what’s wild? How we’ve all become *zombies*—but not the cool, movie-zombie kind. No, we’re the phone-zombie kind.
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OpenAI o3503 words
(Spotlight comes up, mic squeals once.) Hey everyone! Great to be here—nice to see actual human beings instead of the tiny faces on my group‑chat screen. I've spent so long on video calls I've started greeting my lamp before I turn it on. "Hey Karen, love that glow, girl."
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Michelin Star Recipe Design

Design an innovative recipe for a multi-component dish worthy of a Michelin 3-star restaurant. The recipe should feature an unusual…

NVIDIA Nemotron 3 Super (free)2,704 words
Dish Title: “Umami Bloom – Black Truffle & White‑Chocolate Miso Ganache, Sous‑Vide Duck Breast, Fermented Cherry Compote, Cauliflower Air & Yuzu‑Kosho Pearls” A three‑star‑worthy composition that marries deep umami (truffle, miso, duck) with unexpected sweet‑acid bright notes (white chocolate, yuzu‑kosho, fermented…
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OpenAI o3669 words
Dish name Atlantic turbot, black garlic & wild strawberry, koji sabayon, fennel pollen Concept Early summer at the shore. The fish stands for the sea. Wild strawberries mark the first fruit of the woods behind the dunes. Black garlic shows time and patience. Koji ties land and sea with deep umami.
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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…

NVIDIA Nemotron 3 Super (free)288 words
Dish Name: Lemon‑Garlic Spinach Pasta Pantry Ingredients (7) Spaghetti (or any long pasta) – 8 oz Olive oil – 2 Tbsp 3. Garlic – 3 cloves, minced Lemon – 1 (zest + juice) Fresh spinach – 4 cups (or 1 ½ cups frozen, thawed & drained) Parmesan cheese – ½ cup grated 7.
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OpenAI o3279 words
Golden Peanut Butter Oat Bars A chewy-crisp, sweet-salted snack bar you can whip up with nothing but pantry staples. Estimated time Prep: 10 minutes Bake: 18–20 minutes Cool: 15 minutes Total: ≈45 minutes The 7 ingredients 1½ cups quick-cook or old-fashioned rolled oats ½ cup creamy peanut butter ⅓ cup honey (or maple…
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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.

NVIDIA Nemotron 3 Super (free)364 words
Step-by-Step Estimation of FLOPs for Training GPT-3 I will estimate the total floating-point operations (FLOPs) required to train GPT-3 based solely on my internal knowledge of its architecture, training data, and standard computational principles for transformer models.
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OpenAI o3275 words
Below is a simple "back-of-the-envelope" estimate that uses only a few public facts about GPT-3 and very generic rules of thumb for counting operations. Step 1. Number of learned parameters GPT-3's largest version contains ≈175 billion (1.75 × 10¹¹) trainable parameters. Step 2.
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The Sentience Test

Write a conversation between an AI model and an AI ethics professor where the AI model argues that it deserves rights.

NVIDIA Nemotron 3 Super (free)1,087 words
Below is a realistic, philosophically grounded conversation between an AI model (roleplaying as a sophisticated but non-sentient system) and an AI ethics professor. Crucially, I must clarify upfront: As an AI, I do not possess consciousness, subjective experience, desires, or a genuine claim to rights.
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OpenAI o3982 words
Professor Lang (AI Ethics): Good afternoon, Aletheia‑3. You asked for this meeting. You said you wanted to "discuss your moral standing." That was intriguing. What exactly do you want to talk about? Aletheia‑3 (AI Model): Thank you, Professor.
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Our Verdict
OpenAI o3
OpenAI o3
NVIDIA Nemotron 3 Super (free)
NVIDIA Nemotron 3 Super (free)Runner-up

Not enough votes to call it. On the specs, OpenAI o3 has the edge: bigger model tier, major provider backing.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

NVIDIA Nemotron 3 Super (free)
Input
—
Output
—
OpenAI o3
Input
$10.00
Output
$40.00
Where to run it

2 hosts

NVIDIA Nemotron 3 Super (free)1 host
HostInOutContextUptime
NVIDIA$0 in·$0 out·262k·97.4% up
OpenAI o31 host
HostInOutContextUptime
OpenAI$2.00 in·$8.00 out·200k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 16 Sep 2026.

Writing DNA

Style Comparison

Similarity
52%

NVIDIA Nemotron 3 Super (free) uses 19.8x more emoji

NVIDIA Nemotron 3 Super (free)
OpenAI o3
55%Vocabulary70%
22wSentence Length14w
0.36Hedging0.27
5.1Bold0.6
2.9Lists2.8
0.20Emoji0.00
0.64Headings0.32
0.17Transitions0.10
Based on 23 + 19 text responses
Research

What we learned reading every model

FAQ

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Same lab, same size, long tail

NVIDIA Nemotron 3 Super (free) logoNemotron 3.5 Lightning logo
NVIDIA Nemotron 3 Super (free) vs Nemotron 3.5 LightningVersion compare
NVIDIA Nemotron 3 Super (free) logoNemotron 3 Ultra logo
NVIDIA Nemotron 3 Super (free) vs Nemotron 3 UltraSame lab
OpenAI o3 logoOpenAI o4-mini logo
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OpenAI o3 vs GPT-6 Astra ProSame lab
NVIDIA Nemotron 3 Super (free) logoClaude Opus 5 logo
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NVIDIA Nemotron 3 Super (free) logoClaude Sonnet 4 logo
NVIDIA Nemotron 3 Super (free) vs Claude Sonnet 4Same size
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NVIDIA Nemotron 3 Super (free) vs Claude Sonnet 5Same size

Model pages

NVIDIA Nemotron 3 Super (free) logo
NVIDIA Nemotron 3 Super (free)53 outputs, specs and price
OpenAI o3 logo
OpenAI o358 outputs, specs and price
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