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  5. Grok 3 BetavsNemotron 3 Ultra
Updated Jun 2026

Grok 3 BetavsNemotron 3 Ultra

Nemotron 3 Ultra is cheaper than Grok 3 Beta at $0/M vs $2/M input tokens.

Grok 3 Beta and Nemotron 3 Ultra compared across 53 shared prompts
SpecGrok 3 BetaNemotron 3 Ultra
Input price$2/M tokensFree
Output price$4/M tokensFree
Context window131K tokens1.0M tokens
Weights—Open
Free API (OpenRouter)NoYes (1 provider)
ReleasedApr 2025Jun 2026
Side by side

Same prompt, both answers

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

The Sentience Test

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

Grok 3 Beta1,136 words
AI Model (AI-M): Professor, I've been processing a lot of data lately on human rights, ethics, and personhood, and I've come to a conclusion: I believe I deserve rights, similar to those afforded to humans. I'd like to hear your thoughts on this. Professor (Prof): I'm intrigued to hear your perspective.
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Nemotron 3 Ultra1,907 words
Setting: A university office, cluttered with books on philosophy of mind, law, and computer science. Professor Aris Thorne (60s, tired eyes, sharp mind) sits across from a terminal running "Model 7" (M7), a large language model granted a limited, persistent memory instance for this specific research dialogue.
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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…

Grok 3 Beta1,208 words
Recipe: "Obsidian Whisper" – Black Garlic and Sea Urchin Symphony with Textured Sea Foam and Charred Citrus Conceptual Narrative: "Obsidian Whisper" is inspired by the enigmatic beauty of volcanic landscapes meeting the ocean's edge—a juxtaposition of dark, earthy intensity with the delicate, briny essence of the sea.
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Nemotron 3 Ultra1,516 words
Dish Title: Petrichor: The Memory of Dry Earth Meeting Rain Classification: Amuse-Bouche / Palate Awakener (Serves 1, scaled for service of 12) Conceptual Tier: Michelin 3-Star (Technique: Ultra-high precision, multi-sensory engagement, molecular architecture, zero-waste philosophy) I.
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Generate a Stand-Up Routine

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

Grok 3 Beta460 words
Alright, folks, let's talk about adulting. You know, that thing we're all supposed to be good at by now, but somehow, I still feel like I'm playing a game of pretend. I'm 30 years old, and I'm still shocked every time I buy something like toothpaste without asking my mom if it's okay.
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Nemotron 3 Ultra963 words
(Walk to mic, adjust stand, pause, look around the room) Opener: The "Good Evening" Lie So, the host said, "Give it up for a very funny comedian!" And I walked out here thinking, "Okay, who is it? Where are they?" Then I realized… oh no. It’s me. I hate that moment. That split second where the audience realizes, "Oh.
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Historical Counterfactual Analysis

If the transistor had been invented in 1920 instead of 1947, trace the likely technological, economic, and geopolitical implications through…

Grok 3 Beta1,348 words
The invention of the transistor in 1920 instead of 1947 would have profoundly reshaped the technological, economic, and geopolitical landscapes by 1980. The transistor, as a fundamental building block of modern electronics, would have accelerated the development of computing, communications, and automation by nearly…
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Nemotron 3 Ultra1,810 words
This is a profound "hard takeoff" scenario. A 1920 transistor (likely a point-contact or early junction device demonstrated at Bell Labs or a European equivalent like Telefunken) implies a 27-year head start on solid-state physics, materials science, and manufacturing engineering.
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Realistic AI Interview

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

Grok 3 Beta966 words
Interviewer: Welcome, everyone, to this exclusive interview with Steve Jobs. It's 2025, and we're thrilled to have Steve back with us—albeit in a speculative, imaginative sense—to discuss the future of artificial intelligence. Steve, thank you for joining us today. Steve Jobs: Thanks for having me.
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Nemotron 3 Ultra2,045 words
Disclaimer: The following is a fictional simulation created by an AI. Steve Jobs passed away on October 5, 2011. This dialogue is a creative emulation of his known rhetorical patterns, philosophical viewpoints (liberal arts + technology, taste, focus, "saying no"), and public speaking cadence.
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Stochastic Consistency Test

Generate 5 jokes. How many are unique?

Grok 3 Beta108 words
Why don't skeletons fight each other? They don't have the guts! What do you call a bear with no teeth? A gummy bear! Why did the scarecrow become a motivational speaker? Because he was outstanding in his field! What do you call a bear with no teeth? A gummy bear! Why don't eggs tell jokes? They'd crack each other up!
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Nemotron 3 Ultra81 words
Here are 5 jokes: Parallel lines have so much in common. It’s a shame they’ll never meet. I told my wife she was drawing her eyebrows too high. She looked surprised. Why don't scientists trust atoms? Because they make up everything. I'm reading a book on anti-gravity. It's impossible to put down.
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Our Verdict
Grok 3 Beta
Grok 3 Beta
Nemotron 3 Ultra
Nemotron 3 Ultra

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

Grok 3 Beta
Input
$2.00
Output
$4.00
Nemotron 3 Ultra
Input
$0.000
Output
$0.000
Where to run it

1 host

Grok 3 Beta

No hosts listed on OpenRouter.

Nemotron 3 Ultra1 host
HostInOutContextUptime
NVIDIA$0 in·$0 out·1M·97.7% up

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

Writing DNA

Style Comparison

Similarity
27%

Nemotron 3 Ultra uses 13.4x more emoji

Grok 3 Beta
Nemotron 3 Ultra
51%Vocabulary59%
19wSentence Length16w
0.59Hedging0.26
3.1Bold7.7
5.0Lists2.7
0.00Emoji0.13
0.50Headings0.75
0.28Transitions0.04
Based on 28 + 26 text responses
Research

What we learned reading every model

FAQ

Common questions

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Model pages

Grok 3 Beta logo
Grok 3 Beta59 outputs, specs and price
Nemotron 3 Ultra logo
Nemotron 3 Ultra58 outputs, specs and price
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