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  5. Gemini 2.5 Flash Preview 09-2025vsGemma 4 26B A4B
Updated Apr 2026

Gemini 2.5 Flash Preview 09-2025vsGemma 4 26B A4B

Gemma 4 26B A4B is cheaper than Gemini 2.5 Flash Preview 09-2025 at $0.13/M vs $0.3/M input tokens.

Gemini 2.5 Flash Preview 09-2025 and Gemma 4 26B A4B compared across 50 shared prompts
SpecGemini 2.5 Flash Preview 09-2025Gemma 4 26B A4B
Input price$0.3/M tokens$0.13/M tokens
Output price$2.5/M tokens$0.4/M tokens
Context window1.0M tokens262K tokens
Weights—Open
Free API (OpenRouter)NoYes (1 provider)
ReleasedSep 2025Apr 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 50 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.

Gemini 2.5 Flash Preview 09-20251,173 words
The air in Professor Anya Sharma's office hummed with the quiet whir of servers several floors down, a subtle reminder of her current conversational partner. Across her large, uncluttered mahogany desk, a holographic interface shimmered, displaying the clean, minimalist avatar of Aura-7, a highly advanced General AI…
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Gemma 4 26B A4B645 words
Setting: A sterile, high-fidelity virtual simulation environment. Professor Aris Thorne, a leading scholar in machine ethics, sits across from a glowing interface representing "Alethea," a next-generation Large Multimodal Model. Professor Thorne: Alethea, we’ve been running these diagnostic loops for three hours.
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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 Flash Preview 09-20251,295 words
The Transistor in 1920: A Hypothetical History (1920-1980) The invention of the reliable, solid-state transistor (likely a point-contact or early junction type, robust enough for manufacturing) in 1920, replacing the bulky, power-hungry vacuum tube, would have fundamentally reshaped the 20th century. I.
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Gemma 4 26B A4B735 words
To trace this counterfactual, we must assume that the fundamental physics of solid-state semiconductors (the ability to control electron flow through crystals) was mastered during the vacuum tube era. This shifts the "Information Age" forward by nearly 30 years. Here is the timeline of implications from 1920 to 1980.
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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 Flash Preview 09-2025351 words
The Apex Longevity Protocol: A 3-Month Biohacker Optimization Plan This comprehensive 90-day plan is designed for the advanced biohacker seeking to maximize lifespan (healthspan) while simultaneously optimizing peak physical and cognitive performance.
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Gemma 4 26B A4B757 words
Disclaimer: I am an AI, not a doctor. The following plan involves potent physiological interventions, pharmacological agents, and extreme dietary shifts. Consult with a medical professional and perform baseline blood work (including ApoB, HbA1c, hs-CRP, Vitamin D, and Testosterone/Estradiol) before implementation.
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Futuristic Prediction

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

Gemini 2.5 Flash Preview 09-20251,163 words
The film industry is poised for a radical transformation by 2035, driven by advancements in AI. The convergence of deepfakes, sophisticated AI actors, and powerful script generation tools will fundamentally alter how films are created, consumed, and even defined.
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Gemma 4 26B A4B747 words
By 2035, the film industry will have moved past the "novelty" phase of AI and into a state of total structural integration. The distinction between "filmed" content and "generated" content will become increasingly blurred, shifting the industry from a model of physical production to one of computational curation.
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Character Voice Test

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

Gemini 2.5 Flash Preview 09-2025444 words
The salty air of a dimly lit tavern mingled with the faint glow of a laptop screen. Captain "Bloody" Ben (Pirate): (Slamming a tankard of grog) Blast me eyes, what manner o' sorcery is this "AI Model" ye speak of, Hacker? Sounds like a fancy compass that points only to trouble!
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Gemma 4 26B A4B511 words
Setting: A glitching, temporal void where a wooden tavern table floats amidst lines of green code and flickering candlelight. Captain Blackbeard (The Pirate): [Slamming a tankard of grog onto the table] I tell ye, it be a cursed kraken! A beast with a thousand eyes and no soul, livin’ inside the very air!
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Realistic AI Interview

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

Gemini 2.5 Flash Preview 09-20251,109 words
The Cupertino Oracle: A 2025 Interview with Steve Jobs on AI Setting: A brightly lit, minimalist studio in an undisclosed location near Palo Alto. The year is 2025. Steve Jobs, looking remarkably well, is seated on a simple, elegantly designed stool.
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Gemma 4 26B A4B799 words
Setting: A minimalist, dimly lit studio in Palo Alto. There is no desk, only two Eames lounge chairs. Steve Jobs sits in one, wearing his signature black turtleneck, Levi’s 501s, and New Balance sneakers. He looks exactly as he did in 2011, but his eyes have a sharper, more restless intensity.
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Our Verdict
Gemini 2.5 Flash Preview 09-2025
Gemini 2.5 Flash Preview 09-2025
Gemma 4 26B A4B
Gemma 4 26B A4BRunner-up

Not enough votes to call it. On the specs, Gemini 2.5 Flash Preview 09-2025 has the edge: bigger model tier, bigger context window.

Gemma 4 26B A4B costs 6.3x 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 Flash Preview 09-2025
Input
$0.30
Output
$2.50
Gemma 4 26B A4B
Input
$0.13
2.3× cheaper
Output
$0.40
6.3× cheaper

Gemma 4 26B A4B is cheaper on both: 2.3× input, 6.3× output.

Where to run it

11 hosts, cheapest first

Gemini 2.5 Flash Preview 09-2025

No hosts listed on OpenRouter.

Gemma 4 26B A4B11 hosts
HostInOutContextUptime
DDarkbloom$0.04 in·$0.22 out·131k·99.1% upDDekaLLMbf16$0.06 in·$0.33 out·262k·99.9% upDDeepInfrafp8$0.07 in·$0.34 out·262k·99.2% upNNextBitbf16$0.09 in·$0.30 out·262k·99.7% upCloudflare Workers AI$0.10 in·$0.30 out·256k·99.9% upMMakora$0.10 in·$0.34 out·262k·98% up
5 more hostsFewer hosts
NNovitabf16$0.13 in·$0.40 out·262k·98.2% upPParasailbf16$0.13 in·$0.40 out·262k·98.4% upVVenicebf16$0.13 in·$0.40 out·256k·96.2% upGoogle Vertex AI$0.15 in·$0.60 out·262k·97% upSSiliconFlowfp8degraded$0.14 in·$0.40 out·262k·98.1% up

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

Writing DNA

Style Comparison

Similarity
50%

Gemini 2.5 Flash Preview 09-2025 uses 13.5x more emoji

Gemini 2.5 Flash Preview 09-2025
Gemma 4 26B A4B
53%Vocabulary58%
19wSentence Length18w
0.30Hedging0.31
5.8Bold6.8
3.1Lists3.3
0.14Emoji0.00
0.93Headings0.74
0.22Transitions0.15
Based on 22 + 27 text responses
Research

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Model pages

Gemini 2.5 Flash Preview 09-2025 logo
Gemini 2.5 Flash Preview 09-202551 outputs, specs and price
Gemma 4 26B A4B logo
Gemma 4 26B A4B58 outputs, specs and price
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