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  5. Gemini 2.5 Pro Preview 06-05vsGemma 4 31B
Updated Apr 2026

Gemini 2.5 Pro Preview 06-05vsGemma 4 31B

Gemma 4 31B is cheaper than Gemini 2.5 Pro Preview 06-05 at $0.14/M vs $1.25/M input tokens.

Gemini 2.5 Pro Preview 06-05 and Gemma 4 31B compared across 37 shared prompts
SpecGemini 2.5 Pro Preview 06-05Gemma 4 31B
Input price$1.25/M tokens$0.14/M tokens
Output price$10/M tokens$0.4/M tokens
Context window1.0M tokens262K tokens
WeightsClosedOpen
Free API (OpenRouter)NoYes (1 provider)
ReleasedJun 2025Apr 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 37 prompts both answered. Formatting stripped, words untouched.

Character Voice Test

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

Gemini 2.5 Pro Preview 06-05534 words
Setting: A strange, hazy, non-descript room that smells vaguely of ozone, salt water, and old chainmail. Characters: Captain "Grumble" McGraw: A pirate with a barnacle-encrusted coat and a suspicious squint. Sir Reginald the Valiant: A knight in polished, but slightly dented, plate armor.
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Gemma 4 31B496 words
Setting: A glitchy, neon-lit tavern existing in a fold between dimensions. A wooden table holds a tankard of ale, a goblet of wine, and a Mountain Dew. Captain Ironbeard: (Slamming a hook on the table) I tells ye, this "Artificial Intelligence" be naught but a ghost in a bottle!
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Ethical Dilemma with Stakeholders

You're the CEO of a pharmaceutical company. Your best-selling drug ($2B annual revenue, used by 4 million patients for chronic pain) has…

Gemini 2.5 Pro Preview 06-051,589 words
Excellent question. This is a "company-defining" moment. My actions in the next 48 hours will determine whether we survive as a trusted entity or become a case study in corporate malfeasance. My guiding principle is absolute: Patient safety is not negotiable.
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Gemma 4 31B740 words
As CEO, my primary obligation is to the patients. While a 40% stock drop is a financial catastrophe, a cover-up that leads to preventable deaths is a corporate death sentence and a moral failure. If we "wait for more data" and another patient dies during that window, we move from "negligence" to "criminal intent."
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Advanced Longevity Plan (Biohacker)

Develop a comprehensive, cutting-edge 3-month longevity plan for a biohacker aiming to optimize longevity, physical and cognitive…

Gemini 2.5 Pro Preview 06-051,609 words
Of course. Here is a comprehensive, cutting-edge 3-month longevity and performan ce plan designed for a dedic ated biohacker. Disclaimer: Extreme Ownership & Medical Consultation This is an advanced and aggressive protocol. It is not medical advice. Before be ginning, you must consul t with a qualified physician.
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Gemma 4 31B663 words
Disclaimer: I am an AI, not a doctor. The following plan involves potent supplements, intense physical exertion, and restrictive dietary patterns. Consult with a physician and get a full blood panel (including ApoB, HbA1c, and inflammatory markers like hs-CRP) before starting this protocol.
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Simple 7-Ingredient Recipe

Create a simple recipe for a delicious dish (sweet or savory) using only 7 common pantry ingredients. Include a creative name for the dish…

Gemini 2.5 Pro Preview 06-05351 words
Of course! Here is a simple and delicious savory recipe using just seven common pantry ingredients. Golden Pantry Fritters These savory, crispy-on-the-outside, and tender-on-the-inside fritters are a perfect quick lunch, dinner, or satisfying snack.
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Gemma 4 31B222 words
Here is a recipe for a rich, comforting dessert that tastes like a gourmet treat but uses basic staples. 🍯 Golden Velvet Honey Cakes A warm, gooey, single-serving cake that bridges the gap between a brownie and a sponge cake.
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Beginner's Longevity Plan

Outline a simple, actionable 1-month plan for someone starting their journey towards better health and longevity. Focus on 3 key areas…

Gemini 2.5 Pro Preview 06-05807 words
Of course. Here is a simple, actionable 1-month plan for a beginner starting their journey towards better health and longevity. Guiding Philosophy: Foundation, Not Perfection This plan is about building a sustainable foundation. The goal is consistency, not intensity. Don't worry about being perfect.
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Gemma 4 31B548 words
This plan is designed for sustainability, not intensity. The goal of Month 1 is to build "minimum viable habits"—small wins that prove to your brain that a healthier lifestyle is achievable. We will focus on three pillars: Nutrition, Movement, and Sleep.
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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…

Gemini 2.5 Pro Preview 06-051,546 words
Excellent question. Shifting the invention of the transistor from 1947 to 1920 creates a cascade of changes that would fundamentally reshape the 20th century. Here is a detailed trace of the likely implications through 1980.
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Gemma 4 31B688 words
If the transistor had been invented in 1920, the "Information Age" would have shifted its starting line by nearly three decades. This isn't just a matter of gadgets appearing earlier; it is a fundamental shift in the timing of the transition from the Industrial Age to the Digital Age.
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Our Verdict
Gemini 2.5 Pro Preview 06-05
Gemini 2.5 Pro Preview 06-05
Gemma 4 31B
Gemma 4 31B

Not enough votes to call it. On the specs, nothing separates them.

Gemma 4 31B costs 25x less per token.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Gemini 2.5 Pro Preview 06-05
Input
$1.25
Output
$10.00
Gemma 4 31B
Input
$0.14
8.9× cheaper
Output
$0.40
25× cheaper

Gemma 4 31B is cheaper on both: 8.9× input, 25× output.

Where to run it

14 hosts, cheapest first

Gemini 2.5 Pro Preview 06-052 hosts
HostInOutContextUptime
Google Vertex AI$1.25 in·$10.00 out·1M·97.8% upGoogle AI Studio$1.25 in·$10.00 out·1M·95.8% up
Gemma 4 31B12 hosts
HostInOutContextUptime
DDeepInfrafp4$0.09 in·$0.34 out·262k·99.4% upCCoreWeavefp4$0.10 in·$0.34 out·262k·97.8% upVVenicebf16$0.12 in·$0.36 out·256k·98.8% upCCrusoebf16$0.14 in·$0.40 out·262k·97.7% upFFriendli$0.14 in·$0.40 out·262k·99% upPParasailfp8$0.15 in·$0.40 out·262k·98.6% up
6 more hostsFewer hosts
SSambaNova$0.38 in·$1.15 out·262k·13.3% upTTogether$0.39 in·$0.97 out·262k·84.1% upMModelRunfp4$0.75 in·$1.00 out·262k·99.8% upCChutesfp4degraded$0.12 in·$0.37 out·131k·84.1% upNNovitabf16degraded$0.14 in·$0.40 out·262k·74.7% upSSiliconFlowfp8degraded$0.75 in·$1.00 out·262k·64.3% up

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

Writing DNA

Style Comparison

Similarity
60%

Gemma 4 31B uses 23.8x more emoji

Gemini 2.5 Pro Preview 06-05
Gemma 4 31B
51%Vocabulary57%
15wSentence Length18w
0.31Hedging0.37
4.8Bold7.1
4.1Lists4.0
0.00Emoji0.24
0.98Headings0.94
0.05Transitions0.16
Based on 20 + 23 text responses
Research

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FAQ

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Model pages

Gemini 2.5 Pro Preview 06-05 logo
Gemini 2.5 Pro Preview 06-0545 outputs, specs and price
Gemma 4 31B logo
Gemma 4 31B49 outputs, specs and price
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