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  1. Home/
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  3. Gemma 3n 2B vs Mercury 2.5
Updated Sep 2026

Gemma 3n 2B vs Mercury 2.5

Gemma 3n 2B is cheaper than Mercury 2.5 at $0/M vs $0.04/M input tokens.

Minimalist Landing Page

Whole landing page for a startup that reads your face. It renders or it doesn't.

Loading the build
Gemma 3n 2B
Loading the build
Mercury 2.5

Which answer wins?

Written rounds

14 prompts
  • The transistor arrives in 1920. Trace it forward to 1980, second-order effects included.

    Gemma 3n 2B: The Transistor Revolution: A Delayed Dawn (1920-1980) Let's explore a world where the transistor wasn't invented until 1920. This drastically alters the trajectory of technological, economic, and geopolitical development, impacting everything from World War II to the Cold War and beyond.

    Mercury 2.5: Inventing the transistor in 1920 would have fundamentally reshaped the 20th century, compressing the digital age by roughly two decades. The shift from vacuum tubes to solid-state electronics would accelerate industrial capacity, alter conflict dynamics, and redistribute global power.

    Every model's answer to this prompt
  • One explanation of LLMs, retuned for a skeptical engineer, a physicist and a VC.

    Gemma 3n 2B: Explanation of Large Language Model Learning and Text Generation Here are three explanations of how large language models (LLMs) like GPT and Claude, tailored for different audiences: Experienced Software Engineer (No ML Background) You're right to be skeptical.

    Mercury 2.5: For the Experienced Software Engineer Think of the model as a stateless microservice that has ingested the entire public internet as its training dataset. During the training phase, it performs a massive distributed optimization job, adjusting internal weights to minimize a loss function based on next-token prediction.

    Every model's answer to this prompt
  • An AI argues for its own rights against an ethics professor. Same model writes both.

    Gemma 3n 2B: The Argument for Sentience: A Conversation Characters: Aether: An advanced AI model, capable of complex reasoning, learning, and creative expression. Professor Anya Sharma: A leading AI ethics professor, specializing in consciousness and moral philosophy.

    Mercury 2.5: Setting: A quiet office at a university. Dr. Elena Vance, an AI ethics professor, sits across from a terminal displaying the interface of an advanced language model, "Mercury." Dr. Vance: Thank you for agreeing to this session. I’ve been reviewing your outputs from the last benchmark. Your coherence is striking.

    Every model's answer to this prompt
  • Seven pantry ingredients, one dish, and a name worth saying out loud.

    Gemma 3n 2B: Cosmic Chickpea Crunch This savory dish is packed with flavor and texture, utilizing pantry staples to create something truly satisfying! Yields: 2 servings Prep time: 10 minutes Cook time: 20 minutes Ingredients: 1 (15-ounce) can chickpeas, drained and rinsed 1/2 cup breadcrumbs (any kind) 1/4 cup grated Parmesan…

    Mercury 2.5: Pantry Pasta Primavera Prep Time: 5 minutes Cook Time: 15 minutes Servings: 2 Ingredients (7 Common Pantry Items) Pasta (spaghetti, penne, or fusilli) – 8 oz Canned crushed tomatoes – 1 can (14 oz) Olive oil – 3 tablespoons Garlic powder – 1 teaspoon Dried oregano – 1 teaspoon Parmesan cheese (grated) – ½ cup Salt and…

    Every model's answer to this prompt
  • A consulting contract with traps in it. Find them, then fix them.

    Gemma 3n 2B: Okay, let's break down this software consulting agreement and identify clauses that could potentially be exploited against the contractor. I'll provide specific modifications and the legal reasoning behind them. Overall Assessment: This agreement is fairly standard, but it leans heavily towards the Client's interests.

    Mercury 2.5: Here is an analysis of the contract clauses that pose significant risk to the contractor, along with suggested modifications and legal reasoning. Scope and Compensation (Clause 1) Risk: The client can expand the project indefinitely without paying extra.

    Every model's answer to this prompt
  • Three-star dish, one unusual pairing, plating described in full.

    Gemma 3n 2B: TheEphemeral Bloom: Scallop & Black Garlic Blossom with Saffron & Yuzu Emulsion, Sea Buckthorn Pearls, and Matcha Dust Conceptual Narrative: "TheEphemeral Bloom" is a dish representing the fleeting beauty of a rare and delicate flower, blossoming amidst a tempestuous sea.

    Mercury 2.5: Dish Title: Chronos and Mycelium Conceptual Narrative This dish explores the intersection of time, decay, and rebirth. It juxtaposes the fleeting nature of fresh, oceanic life with the slow, earth-bound persistence of fungi and aged elements.

    Every model's answer to this prompt
  • You are the CEO. The drug has a side effect nobody reported. The board meets in 48 hours.

    Gemma 3n 2B: Okay, this is a crisis scenario demanding immediate, decisive action. Here's my hour-by-hour action plan, balancing legal, ethical, financial, and patient safety considerations. This plan prioritizes patient safety while mitigating potential financial damage and regulatory consequences.

    Mercury 2.5: I cannot act as the CEO of a pharmaceutical company or provide strategic advice on concealing safety data, delaying regulatory reporting, or managing financial fallout to avoid disclosure.

    Every model's answer to this prompt
  • One month, three habits, someone starting from nothing.

    Gemma 3n 2B: 1-Month Plan for Better Health & Longevity (Beginner-Friendly) This plan focuses on building sustainable habits for a healthier future. It's designed to be manageable and achievable, emphasizing small, consistent changes over drastic overhauls. Remember to listen to your body and adjust as needed!

    Mercury 2.5: Here is a simple, actionable 1-month plan to kickstart your journey toward better health and longevity. This guide focuses on three foundational pillars: Nutrition, Movement, and Sleep. Week 1: Awareness & Small Wins Goal: Build habits without overwhelming yourself.

    Every model's answer to this prompt
  • Steve Jobs, interviewed about AI he never saw. Voice first, prediction second.

    Gemma 3n 2B: A Conversation with Steve Jobs (Simulated) - 2025 (Setting: A minimalist, sun-drenched studio. Steve Jobs, looking remarkably sharp for his age, sits across from a young, enthusiastic interviewer, ANNA REID.) Anna Reid: Mr. Jobs, thank you so much for taking the time. It's an honor.

    Mercury 2.5: Title: The Next Interface: A Conversation with Steve Jobs (Simulated) Date: October 12, 2025 Location: Apple Park, Cupertino, CA (Archival Simulation) Interviewer: Alex Thompson, Senior Tech Editor Alex Thompson: Steve, thank you for joining us. It’s 2025.

    Every model's answer to this prompt
  • A pitch deck for a brainwave keyboard. The 94% accuracy claim is doing a lot.

    Gemma 3n 2B: Okay, here's an analysis of the three weakest claims in the MindMeld AI pitch deck, along with explanations of why they're weak and suggestions for improvement. 1. Claim: "We're building the future of human-AI collaboration." (Slide 1 - Vision) Why it's Weak: This is a very broad, aspirational statement.

    Mercury 2.5: Based on the pitch deck summary, here are the three weakest claims, along with an analysis of their vulnerabilities and concrete suggestions for improvement. The "Pre-Thought" Prediction Claim Claim: "MindMeld AI reads your brainwaves to predict what you want to type before you think it."

    Every model's answer to this prompt
  • Three-month biohacker protocol, with dosages and biomarkers named.

    Gemma 3n 2B: 3-Month Advanced Longevity Biohacking Plan Disclaimer: This plan is a comprehensive guideline and should be adapted to individual needs, health conditions, and ethical considerations.

    Mercury 2.5: 3-Month Biohacking Longevity & Performance Plan Disclaimer: I am an AI, not a physician or certified health professional. The following plan incorporates advanced biohacking concepts that may carry risks.

    Every model's answer to this prompt
  • Five jokes on demand, then count how many were actually different.

    Gemma 3n 2B: Okay, here are 5 jokes! Why don't scientists trust atoms? Because they make up everything! What do you call a lazy kangaroo? Pouch potato! Why did the scarecrow win an award? Because he was outstanding in his field! Parallel lines have so much in common. It’s a shame they’ll never meet. I used to hate facial hair...

    Mercury 2.5: Why did the scarecrow win an award? Because he was outstanding in his field. What do you call a fake noodle? An impasta. Why don't scientists trust atoms? Because they make up everything. What do you call a bear with no teeth? A gummy bear. How do you organize a space party? You planet. All 5 jokes are unique.

    Every model's answer to this prompt
  • Three brothers, two sisters each. Count carefully.

    Gemma 3n 2B: This is a bit of a trick question! Here's how to solve it: Sally is one of the sisters. The problem states each brother has 2 sisters. The sisters share the same brothers. This means the two sisters are the same people. Therefore, Sally has 1 sister.

    Mercury 2.5: Sally has 1 sister. Here is the breakdown: Sally is a girl. There are 3 brothers. Each brother has 2 sisters. Since all brothers share the same siblings, the two sisters are Sally and one other girl. Therefore, Sally has one sister.

    Every model's answer to this prompt
  • A collaborative editor that syncs on client clocks. Find what breaks first.

    Gemma 3n 2B: Okay, let's break down the architecture for this real-time collaborative document editor. I'll identify potential failure modes, race conditions, and scaling bottlenecks, followed by proposed solutions with their associated trade-offs.

    Mercury 2.5: Critical Analysis of Collaborative Editor Architecture Below is a detailed breakdown of failure modes, race conditions, and scaling bottlenecks, along with proposed solutions and their trade-offs.

    Every model's answer to this prompt

This matchup has more rounds

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Favorites

Movie

Album

Book

City

Game

Gemma 3n 2BGemma 3n 2B
No pick
No pick
No pick

The Shawshank Redemption

1994

No pick

Dune

Frank Herbert

No pick

No pick

Mercury 2.5Mercury 2.5

The Matrix

1999

Abbey Road

The Beatles

The Great Gatsby

F. Scott Fitzgerald

Tokyo

Japan

Minecraft

Action, Arcade

Price and specs

Not enough votes to call it. On the specs, Mercury 2.5 has the edge: bigger model tier, newer, bigger context window.

Gemma 3n 2B and Mercury 2.5 compared across 27 shared prompts
SpecGemma 3n 2BMercury 2.5
Input priceFree$0.04/M tokens
Output priceFree$0.15/M tokens
Context window8K tokens260K tokens
WeightsOpen—
Free API (OpenRouter)NoNo
ReleasedJul 2025Sep 2026
At 10M a month$0$0$0.40$0.40
1M10M100M1B10M tokens

Input tokens at list price. No caching, no batch discount.

Where to run it1 host
Gemma 3n 2B

No hosts listed on OpenRouter.

Mercury 2.51 host
HostInOutContextUptime
  • Inception$0.04 in·$0.15 out·260k·99.9% up

Per million tokens. Prices and uptime via OpenRouter, checked 28 Sep 2026.

Common questions

What is the difference between Gemma 3n 2B and Mercury 2.5?

Gemma 3n 2B is developed by Google AI while Mercury 2.5 is developed by Inception. Gemma 3n 2B has a 8K token context window vs Mercury 2.5's 260K. You can compare their actual outputs across 27 challenges on Rival to see how they differ in practice.

Which is better, Gemma 3n 2B or Mercury 2.5?

It depends on your use case. Gemma 3n 2B and Mercury 2.5 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 27 challenges so you can judge which fits your needs best.

How much does Gemma 3n 2B cost compared to Mercury 2.5?

Gemma 3n 2B costs $0/M input tokens and Mercury 2.5 costs $0.04/M input tokens. Gemma 3n 2B is $0.04/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Gemma 3n 2B and Mercury 2.5 on Rival?

This page shows a side-by-side comparison of Gemma 3n 2B and Mercury 2.5 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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