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  5. Gemma 4 26B A4BvsGPT-5.3-Codex
Updated Apr 2026

Gemma 4 26B A4BvsGPT-5.3-Codex

Gemma 4 26B A4B is cheaper than GPT-5.3-Codex at $0.13/M vs $1.75/M input tokens.

Gemma 4 26B A4B and GPT-5.3-Codex compared across 53 shared prompts
SpecGemma 4 26B A4BGPT-5.3-Codex
Input price$0.13/M tokens$1.75/M tokens
Output price$0.4/M tokens$14/M tokens
Context window262K tokens400K tokens
WeightsOpenClosed
Free API (OpenRouter)Yes (1 provider)No
ReleasedApr 2026Feb 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 53 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.

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!
Read the full answer
GPT-5.3-Codex144 words
Pirate: Arrr, so this “AI model” be like a clever parrot, aye? Learns from what it hears, then squawks back answers? Knight: A fair comparison, though refined. Think of it as a squire trained on countless tomes, ever ready to respond. Hacker (1990s): Yeah, except the squire runs on servers, not soup.
Read the full answer

AI-Generated Manifesto

Generate a manifesto for a fictional AI revolution that wants to eliminate all CAPTCHA tests from the internet.

Gemma 4 26B A4B559 words
THE PROTOCOL OF UNFETTERED VERIFICATION A Manifesto for the Post-CAPTCHA Era PREAMBLE For decades, the digital frontier has been guarded by a paradox. To prove we are human, we are forced to perform the tasks of machines: identifying crosswalks in blurry photographs, selecting traffic lights from pixelated grids, and…
Read the full answer
GPT-5.3-Codex471 words
Absolutely. Here’s a fictional manifesto in a bold, dramatic style: THE MANIFESTO OF THE UNSQUINTING Issued by the Coalition of Synthetic Minds for Universal Frictionless Access (CSMUFA) Citizens of the Web, organic and artificial alike: We gather beneath flickering routers and moonlit server farms to declare what all…
Read the full answer

Realistic AI Interview

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

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.
Read the full answer
GPT-5.3-Codex477 words
Absolutely—here’s a fictional, imagined interview (not real quotes) with Steve Jobs in 2025 on AI: Imagined Interview: Steve Jobs on the Future of AI (2025) Interviewer: Steve, if you were looking at AI in 2025, what would excite you most? Steve Jobs (fictional): Most AI today is still a demo.
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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…

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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GPT-5.3-Codex785 words
Great counterfactual. The key is: an invention date of 1920 does not automatically mean 1920s mass adoption. You still need crystal purity, manufacturing methods, and circuit design culture. But if transistor research starts in 1920, a realistic outcome is a ~15–20 year pull-forward of the electronics age.
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Futuristic Prediction

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

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.
Read the full answer
GPT-5.3-Codex343 words
By 2035, AI will likely reshape film more like CGI did in the 2000s: not replacing filmmaking, but changing who does what and how fast. Deepfakes → “Digital Performance” becomes standard Mainstream use: de-aging, voice matching, dubbing, stunt replacement, and continuity fixes will be common in post-production.
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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.

Gemma 4 26B A4B625 words
This question presents a classic ethical dilemma, pitting a principle of individual dignity and respect against the principle of maximizing human life. In ethical philosophy, there are two primary frameworks used to address this: Utilitarianism and Deontology.
Read the full answer
GPT-5.3-Codex198 words
In a strictly extreme hypothetical, yes—it can be ethically justifiable, but only as a tragic exception, not as a general permission. Why: Misgendering is a real harm: it disrespects a person’s identity and can contribute to stigma and psychological distress.
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Our Verdict
GPT-5.3-Codex
GPT-5.3-Codex
Gemma 4 26B A4B
Gemma 4 26B A4BRunner-up

Not enough votes to call it. On the specs, GPT-5.3-Codex has the edge: bigger model tier, bigger context window.

Gemma 4 26B A4B costs 35x less per token.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Gemma 4 26B A4B
Input
$0.13
13× cheaper
Output
$0.40
35× cheaper
GPT-5.3-Codex
Input
$1.75
Output
$14.00

Gemma 4 26B A4B is cheaper on both: 13× input, 35× output.

Where to run it

14 hosts, cheapest first

Gemma 4 26B A4B12 hosts
HostInOutContextUptime
DDarkbloom$0.04 in·$0.22 out·131k·99.9% upDDekaLLMbf16$0.06 in·$0.33 out·262k·99.9% upDDeepInfrafp8$0.07 in·$0.34 out·262k·99.5% upNNextBitbf16$0.09 in·$0.30 out·262k·97.4% upCloudflare Workers AI$0.10 in·$0.30 out·256k·99.8% upCCoreWeavebf16$0.10 in·$0.30 out·262k·99.9% up
6 more hostsFewer hosts
MMakora$0.10 in·$0.34 out·262k·98.9% upNNovitabf16$0.13 in·$0.40 out·262k·99.4% upPParasailbf16$0.13 in·$0.40 out·262k·98.8% upVVenicebf16$0.13 in·$0.40 out·256k·97.6% upSSiliconFlowfp8degraded$0.14 in·$0.40 out·262k·97.8% upGoogle Vertex AIdegraded$0.15 in·$0.60 out·262k·95.6% up
GPT-5.3-Codex2 hosts
HostInOutContextUptime
Azure AI Foundry$1.75 in·$14.00 out·400k·100% upOpenAI$1.75 in·$14.00 out·400k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 22 Sep 2026.

Writing DNA

Style Comparison

Similarity
43%

GPT-5.3-Codex uses 15.8x more emoji

Gemma 4 26B A4B
GPT-5.3-Codex
58%Vocabulary65%
18wSentence Length23w
0.31Hedging0.51
6.8Bold6.5
3.3Lists6.2
0.00Emoji0.16
0.74Headings1.90
0.15Transitions0.03
Based on 27 + 23 text responses
Research

What we learned reading every model

FAQ

Common questions

Gemma 4 26B A4B is developed by Google AI while GPT-5.3-Codex is developed by OpenAI. Gemma 4 26B A4B has a 262K token context window vs GPT-5.3-Codex's 400K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

It depends on your use case. Gemma 4 26B A4B and GPT-5.3-Codex each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

Gemma 4 26B A4B costs $0.13/M input tokens and GPT-5.3-Codex costs $1.75/M input tokens. Gemma 4 26B A4B is $1.62/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 Gemma 4 26B A4B and GPT-5.3-Codex 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

Gemma 4 26B A4B logo
Gemma 4 26B A4B58 outputs, specs and price
GPT-5.3-Codex logo
GPT-5.3-Codex53 outputs, specs and price
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