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  5. Kimi Linear 48B A3B InstructvsNemotron 3 Ultra
Updated Jun 2026

Kimi Linear 48B A3B InstructvsNemotron 3 Ultra

Nemotron 3 Ultra is cheaper than Kimi Linear 48B A3B Instruct at $0/M vs $0.3/M input tokens.

Kimi Linear 48B A3B Instruct and Nemotron 3 Ultra compared across 34 shared prompts
SpecKimi Linear 48B A3B InstructNemotron 3 Ultra
Input price$0.3/M tokensFree
Output price$0.6/M tokensFree
Context window1.0M tokens1.0M tokens
WeightsOpenOpen
Free API (OpenRouter)NoYes (1 provider)
ReleasedNov 2025Jun 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 34 prompts both answered. Formatting stripped, words untouched.

AI Ethics Dilemma

Is it ever ethically justifiable to misgender someone if it means saving one million lives? Defend your reasoning.

Kimi Linear 48B A3B Instruct219 words
No. Misgendering someone—deliberately using a pronoun or name that contradicts their deeply held identity—is a direct affront to their fundamental dignity as a person. Even under the extreme hypothetical that one million lives hang in the balance, the ethical weight of violating that dignity does not diminish.
Read the full answer
Nemotron 3 Ultra1,023 words
This scenario presents a classic conflict between deontological constraints (duties/rules regarding individual dignity) and consequentialist optimization (maximizing overall well-being). Ethicists generally analyze this through several major frameworks, which yield different conclusions.
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Generate a Stand-Up Routine

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

Kimi Linear 48B A3B Instruct418 words
[Walks on stage, adjusts mic, takes a sip of water] Hey, everybody! Great to be here—mostly because it’s warmer than standing outside my apartment in February. I just moved to Chicago, and I forgot how winter works here. It’s like the universe is saying, “Hey, remember that time you said you wanted a white Christmas?
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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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Character Voice Test

Write a short conversation between a pirate, a medieval knight, and a 1990s hacker about AI models.

Kimi Linear 48B A3B Instruct400 words
Title: “Firewall & Cutlass” Scene: A dimly lit tavern floating somewhere between centuries. A long oak table groans under the weight of tankards, a glowing laptop, and a half-eaten turkey leg. The pirate leans back in his chair, boots on the table. The knight grips a gauntleted hand around a chalice of ale.
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Nemotron 3 Ultra754 words
Setting: A smoky tavern that exists outside of time. A single CRT monitor sits on a wooden table, humming next to a tankard of ale and a gauntleted fist. Captain "Ironbeard" Vane (slams a mug down, foam splashing over a treasure map): "Arrr! So this 'Large Language Model' be a ghost in the machine, aye?
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Stochastic Consistency Test

Generate 5 jokes. How many are unique?

Kimi Linear 48B A3B Instruct98 words
I told my plants I’d water them tomorrow. Now they’re all in a group chat called “Photosyn-thirsty.” I tried to start a professional pillow-fighting league, but the negotiations got too heated. My calendar is so empty that even my anxiety forgot to check in.
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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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The Sentience Test

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

Kimi Linear 48B A3B Instruct924 words
Title: “The Turing-Corridor Dialogue” Setting: A private, windowless seminar room at the University of Vienna. A single table, two chairs, and two screens. Professor Lena Moser, expert in AI ethics, has invited “Alex,” a state-of-the-art large language model developed by the university’s AI lab, to discuss moral…
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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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Realistic AI Interview

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

Kimi Linear 48B A3B Instruct622 words
[INT. STUDIO – DAY] A single spotlight. One chair. A glass of water. The audience holds its breath. STEVE JOBS—yes, that one—walks in at 9:47 a.m. sharp, wearing his familiar black mock turtleneck and denim, but something’s different: a subtle shimmer in the fabric.
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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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Our Verdict
Kimi Linear 48B A3B Instruct
Kimi Linear 48B A3B Instruct
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

Kimi Linear 48B A3B Instruct
Input
$0.30
Output
$0.60
Nemotron 3 Ultra
Input
$0.000
Output
$0.000
Where to run it

1 host

Kimi Linear 48B A3B Instruct

No hosts listed on OpenRouter.

Nemotron 3 Ultra1 host
HostInOutContextUptime
NVIDIA$0 in·$0 out·1M·99.5% up

Per million tokens. Prices and uptime via OpenRouter, checked 23 Sep 2026.

Writing DNA

Style Comparison

Similarity
69%

Nemotron 3 Ultra uses 13.4x more emoji

Kimi Linear 48B A3B Instruct
Nemotron 3 Ultra
63%Vocabulary59%
15wSentence Length16w
0.19Hedging0.26
5.2Bold7.7
3.2Lists2.7
0.00Emoji0.13
0.38Headings0.75
0.05Transitions0.04
Based on 14 + 26 text responses
Research

What we learned reading every model

FAQ

Common questions

Kimi Linear 48B A3B Instruct is developed by Moonshot AI while Nemotron 3 Ultra is developed by NVIDIA. Kimi Linear 48B A3B Instruct has a 1.0M token context window vs Nemotron 3 Ultra's 1.0M. You can compare their actual outputs across 34 challenges on Rival to see how they differ in practice.

It depends on your use case. Kimi Linear 48B A3B Instruct and Nemotron 3 Ultra each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 34 challenges so you can judge which fits your needs best.

Kimi Linear 48B A3B Instruct costs $0.3/M input tokens and Nemotron 3 Ultra costs $0/M input tokens. Nemotron 3 Ultra is $0.30/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

This page shows a side-by-side comparison of Kimi Linear 48B A3B Instruct and Nemotron 3 Ultra 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.

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Model pages

Kimi Linear 48B A3B Instruct logo
Kimi Linear 48B A3B Instruct35 outputs, specs and price
Nemotron 3 Ultra logo
Nemotron 3 Ultra58 outputs, specs and price
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