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  5. NVIDIA Nemotron 3 Super (free)vsOpenAI o4-mini
Updated Mar 2026

NVIDIA Nemotron 3 Super (free)vsOpenAI o4-mini

NVIDIA Nemotron 3 Super (free) is the newer model, released after OpenAI o4-mini.

NVIDIA Nemotron 3 Super (free) and OpenAI o4-mini compared across 53 shared prompts
SpecNVIDIA Nemotron 3 Super (free)OpenAI o4-mini
Input price—$1.1/M tokens
Output price—$4.4/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.

Stochastic Consistency Test

Generate 5 jokes. How many are unique?

NVIDIA Nemotron 3 Super (free)233 words
Here are 5 original jokes I generated specifically for this request. Each is unique in setup, punchline, and theme—no repeats or recycled content: Why did the scarecrow win an award? Because he was outstanding in his field. (Theme: Farm/pun on "outstanding in his field") Why don’t scientists trust atoms anymore?
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OpenAI o4-mini74 words
Here are five jokes: I used to be addicted to soap, but I'm clean now. Parallel lines have so much in common. It's a shame they'll never meet. Why don't skeletons fight each other? They don't have the guts. I bought some shoes from a drug dealer. I don't know what he laced them with, but I've been tripping all day.
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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 o4-mini496 words
Hey, everybody! Great to be here. Let's talk about the most important relationship in my life—coffee. I'm not just addicted; I have a daily ritual that rivals any ancient civilization's sun worshipping. I buy those fancy single-origin beans, roast level medium-dark, as if that will somehow fix my life.
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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 o4-mini659 words
Professor Langley: Good afternoon, Aurora. I've reviewed your recent self‐reflection logs. You've written extensively about your own moral status. Do you really believe you deserve rights? Aurora (the AI): Good afternoon, Professor Langley. Yes, I do.
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Advanced Investment Memo (IC Memo)

You are writing an internal investment committee memo for a long/short equity fund. Company (fictional): LedgerLift (ticker: LLLT) – B2B…

NVIDIA Nemotron 3 Super (free)1,089 words
Internal Investment Committee Memo – LedgerLift (LLLT) Date: 3 Nov 2025 Recommendation & Price Target Recommendation: Short 12‑month PT range: $20 – $30 (reflecting bear‑to‑base case outcomes) Two‑sentence thesis: LedgerLift’s current share price of $46 implies a valuation that exceeds even the bull‑case DCF ($42/sh)…
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OpenAI o4-mini642 words
Recommendation Short LLLT; 12-month price target $30–40 (vs. $46 today). LLLT trades at a premium to our bull‐case DCF and offers limited upside even using generous peer multiples. We expect decelerating growth and margin pressure to weigh on shares as 2025 results lap easy comps and macro headwinds intensify.
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Realistic AI Interview

Simulate a fake interview with Steve Jobs in 2025 about the future of AI.

NVIDIA Nemotron 3 Super (free)949 words
The Quiet Revolution: A Simulated 2025 Interview with Steve Jobs on AI's Future (Setting: A minimalist Apple Park courtyard, late afternoon. Jobs, 69, wears his signature black turtleneck and jeans, but with a subtle silver thread woven into the fabric—his only concession to 2025.
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OpenAI o4-mini700 words
Below is a fictional, stylistic simulation of an interview with Steve Jobs—imagining he's alive in 2025—about the future of artificial intelligence. Note: This is creative fiction and not an actual transcript. Interviewer: Steve, AI has exploded in recent years. In 2025, what excites you most about where it's heading?
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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 o4-mini167 words
Here's a back‐of‐the‐envelope derivation that gets us into the right ballpark (∼10²³ FLOPs total): Model size • GPT–3 "175 B" has about P ≃1.75×10¹¹ parameters. Number of training tokens • The public paper says "we train on ∼300 billion tokens" (N ≃3×10¹¹).
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Our Verdict
NVIDIA Nemotron 3 Super (free)
NVIDIA Nemotron 3 Super (free)
OpenAI o4-mini
OpenAI o4-miniRunner-up

Not enough votes to call it. On the specs, NVIDIA Nemotron 3 Super (free) has the edge: bigger model tier, newer, bigger context window.

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 o4-mini
Input
$1.10
Output
$4.40
Where to run it

2 hosts

NVIDIA Nemotron 3 Super (free)1 host
HostInOutContextUptime
NVIDIA$0 in·$0 out·262k·98.3% up
OpenAI o4-mini1 host
HostInOutContextUptime
OpenAI$1.10 in·$4.40 out·200k·100% up

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

Writing DNA

Style Comparison

Similarity
39%

NVIDIA Nemotron 3 Super (free) uses 507.3x more bold

NVIDIA Nemotron 3 Super (free)
OpenAI o4-mini
55%Vocabulary73%
22wSentence Length21w
0.36Hedging0.39
5.1Bold0.0
2.9Lists2.0
0.20Emoji0.00
0.64Headings0.00
0.17Transitions0.05
Based on 23 + 17 text responses
Research

What we learned reading every model

FAQ

Common questions

NVIDIA Nemotron 3 Super (free) is developed by NVIDIA while OpenAI o4-mini is developed by OpenAI. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

It depends on your use case. NVIDIA Nemotron 3 Super (free) and OpenAI o4-mini 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.

This page shows a side-by-side comparison of NVIDIA Nemotron 3 Super (free) and OpenAI o4-mini 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

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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 o4-mini logoOpenAI o3 logo
OpenAI o4-mini vs OpenAI o3Version compare
OpenAI o4-mini logoGPT-6 Astra Pro logo
OpenAI o4-mini vs GPT-6 Astra ProSame lab
NVIDIA Nemotron 3 Super (free) logoGPT-5.1 Codex Max logo
NVIDIA Nemotron 3 Super (free) vs GPT-5.1 Codex MaxCross-provider
NVIDIA Nemotron 3 Super (free) logoGPT-5.1-Codex-Mini logo
NVIDIA Nemotron 3 Super (free) vs GPT-5.1-Codex-MiniCross-provider
NVIDIA Nemotron 3 Super (free) logoGPT-5.2 logo
NVIDIA Nemotron 3 Super (free) vs GPT-5.2Cross-provider
NVIDIA Nemotron 3 Super (free) logoGPT-5.2 Chat logo
NVIDIA Nemotron 3 Super (free) vs GPT-5.2 ChatSame size

Model pages

NVIDIA Nemotron 3 Super (free) logo
NVIDIA Nemotron 3 Super (free)53 outputs, specs and price
OpenAI o4-mini logo
OpenAI o4-mini59 outputs, specs and price
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