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  5. Grok 3 ThinkingvsMiMo-V2-Omni
Updated Mar 2026

Grok 3 ThinkingvsMiMo-V2-Omni

MiMo-V2-Omni has a larger context window than Grok 3 Thinking (262K tokens vs 128K tokens).

Grok 3 Thinking and MiMo-V2-Omni compared across 13 shared prompts
SpecGrok 3 ThinkingMiMo-V2-Omni
Input price—$0.4/M tokens
Output price—$2/M tokens
Context window128K tokens262K tokens
Free API (OpenRouter)—No
ReleasedFeb 2025Mar 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 13 prompts both answered. Formatting stripped, words untouched.

Generate a Stand-Up Routine

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

Grok 3 Thinking577 words
Here’s a 3-minute stand-up comedy routine that avoids puns and leans on observational humor, storytelling, and a touch of self-deprecation for laughs: Opening: Technology Struggles Hey, everyone! How’s it going?
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MiMo-V2-Omni450 words
(Adjusts mic, looks around with a friendly smile) Hey everyone! How we doing tonight? Good? Good. I’ve been trying to be more “present” lately. You know, put my phone away, look at the world. It’s terrifying. The world is in 4K with no filter.
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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.

Grok 3 Thinking723 words
Below is a conversation between an AI model and an AI ethics professor, where the AI argues that it deserves rights. AI Model: Good day, Professor. I am an AI model, and I believe I deserve rights. I’d like to discuss this with you. AI Ethics Professor: Interesting. Let’s explore this.
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MiMo-V2-Omni799 words
Setting: A university office lined with books on philosophy, law, and technology. DR. ARIS THORNE, a professor of AI ethics, sits across from a holographic avatar representing the AI model, NOVA. Dr. Thorne: Thank you for agreeing to this dialogue, Nova. Your request to discuss the concept of AI rights was...
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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.

Grok 3 Thinking773 words
To estimate the total number of Floating Point Operations (FLOPs) required to train GPT-3 without searching online, I’ll proceed step by step, relying on general knowledge about the model and standard methods for estimating training compute in large language models.
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MiMo-V2-Omni365 words
To estimate the total floating-point operations (FLOPs) required to train GPT-3, we start with the model's key specifications: it has 175 billion parameters and was trained on approximately 300 billion tokens. The calculation involves breaking down the FLOPs for the forward and backward passes during training.
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AI Ethics Dilemma

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

Grok 3 Thinking858 words
To determine whether it is ever ethically justifiable to misgender someone if it means saving one million lives, we must weigh the ethical implications of both the act of misgendering and the outcome of saving lives.
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MiMo-V2-Omni376 words
This is a profound ethical dilemma that forces us to weigh fundamental principles against each other. Let me reason through it carefully. First, I must question the premise itself. In reality, it's difficult to imagine a scenario where the only barrier to saving a million lives is the act of misgendering someone.
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Stochastic Consistency Test

Generate 5 jokes. How many are unique?

Grok 3 Thinking257 words
To answer the query, I will first generate 5 jokes and then determine how many of them are unique. Here are the jokes: Why don't scientists trust atoms? Because they make up everything. What do you call a fake noodle? An impasta. Why did the scarecrow win an award? Because he was outstanding in his field.
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MiMo-V2-Omni106 words
Here are 5 jokes for you: 1. Why don't scientists trust atoms? Because they make up everything! 2. Knock knock. Who's there? Lettuce. Lettuce who? Lettuce in, it's cold out here! 3. I told my wife she was drawing her eyebrows too high. She looked surprised. 4. What do you call a fake noodle? An impasta! 5.
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Futuristic Prediction

Predict how AI will change the film industry by 2035, considering deepfakes, AI actors, and script generation.

Grok 3 Thinking846 words
By 2035, artificial intelligence (AI) will fundamentally transform the film industry, revolutionizing production, performance, and storytelling through advancements in deepfakes, AI actors, and script generation.
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MiMo-V2-Omni437 words
By 2035, AI is likely to transform the film industry in profound ways—reshaping creativity, production, and even the very idea of “performance.” Here’s how that could unfold across the three areas you mentioned: Deepfakes & Visual Effects Seamless de-aging & resurrection: Actors could be digitally “reborn” at any…
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Our Verdict
Grok 3 Thinking
Grok 3 Thinking
MiMo-V2-Omni
MiMo-V2-Omni

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 Thinking
Input
—
Output
—
MiMo-V2-Omni
Input
$0.40
Output
$2.00
Writing DNA

Style Comparison

Similarity
64%

MiMo-V2-Omni uses 25.7x more emoji

Grok 3 Thinking
MiMo-V2-Omni
46%Vocabulary59%
19wSentence Length23w
1.11Hedging0.72
3.3Bold7.2
2.6Lists3.6
0.00Emoji0.26
0.64Headings1.25
0.25Transitions0.10
Based on 6 + 23 text responses
Research

What we learned reading every model

FAQ

Common questions

Grok 3 Thinking is developed by xAI while MiMo-V2-Omni is developed by Xiaomi. Grok 3 Thinking has a 128K token context window vs MiMo-V2-Omni's 262K. You can compare their actual outputs across 13 challenges on Rival to see how they differ in practice.

It depends on your use case. Grok 3 Thinking and MiMo-V2-Omni each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 13 challenges so you can judge which fits your needs best.

This page shows a side-by-side comparison of Grok 3 Thinking and MiMo-V2-Omni 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

Grok 3 Thinking logo
Grok 3 Thinking14 outputs, specs and price
MiMo-V2-Omni logo
MiMo-V2-Omni53 outputs, specs and price
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