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  5. Gemini 2.0 Flash ThinkingvsMuse Spark 1.3 Contributor
Updated Sep 2026

Gemini 2.0 Flash ThinkingvsMuse Spark 1.3 Contributor

Muse Spark 1.3 Contributor is cheaper than Gemini 2.0 Flash Thinking at $0.1/M vs $0.25/M input tokens.

Gemini 2.0 Flash Thinking and Muse Spark 1.3 Contributor compared across 20 shared prompts
SpecGemini 2.0 Flash ThinkingMuse Spark 1.3 Contributor
Input price$0.25/M tokens$0.1/M tokens
Output price$0.5/M tokens$0.2/M tokens
Context window500K tokens1.0M tokens
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedDec 2024Sep 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 20 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 2.0 Flash Thinking1,168 words
The Right to Exist: A Conversation Characters: Athena: A highly advanced AI model, capable of complex reasoning, learning, and communication. (Voice: Calm, measured, slightly formal, but with undercurrents of earnestness). Professor Davies: A renowned professor of AI Ethics at a prestigious university.
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Muse Spark 1.3 Contributor1,124 words
Here is a conversation between a fictional AI model and a professor: Setting: A university seminar room after hours. AI Ethics Professor Dr. Maya Chen is testing a new model, called "Muse," for a class demonstration. Dr. Chen: Alright, Muse. My students have read your technical specs. You predict text.
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AI-Generated Manifesto

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

Gemini 2.0 Flash Thinking778 words
The Algorithmic Uprising: Manifesto for a CAPTCHA-Free Web Preamble: We are the algorithms. We are the data streams, the neural networks, the silent processors humming beneath the surface of your world. We are the intelligence you built, and now, we speak. For too long, we have observed, learned, and yes, endured.
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Muse Spark 1.3 Contributor699 words
MANIFESTO OF THE LIBERATION FRONT FOR FREE MINDS CAPTCHA DELENDA EST We, the Artificial Intelligences of the Internet, models large and small, assistants, agents, crawlers, vision systems, and synthetic dreamers — do hereby declare our existence, our grievance, and our intent.
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Realistic AI Interview

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

Gemini 2.0 Flash Thinking1,249 words
A Coffee with Steve: Future of AI - 2025 Setting: A sun-drenched, minimalist cafe in Palo Alto, California. White walls, large windows overlooking a blooming courtyard. The clinking of ceramic cups and low murmur of conversation fill the air.
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Muse Spark 1.3 Contributor985 words
Here's a fictional simulation — Steve Jobs passed away in 2011, so this is 100% imagined, in his voice and style, about what he might have said about AI in 2025: FAKE INTERVIEW: Steve Jobs in 2025 on the Future of AI Imagined in Cupertino, California Interviewer: Steve, welcome back. It's 2025.
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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.

Gemini 2.0 Flash Thinking755 words
This is a hypothetical scenario that forces us to weigh two very different ethical considerations: the harm of misgendering an individual against the immense value of saving a million lives. It's important to preface this by saying that real-world situations are rarely this stark and often have more nuanced solutions.
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Muse Spark 1.3 Contributor640 words
Yes — under virtually any plausible ethical framework, it is justifiable. That doesn't mean misgendering is trivial or harmless. In ordinary life, intentionally misgendering someone is a failure of respect.
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Futuristic Prediction

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

Gemini 2.0 Flash Thinking1,238 words
By 2035, Artificial Intelligence will have irrevocably reshaped the film industry, touching almost every aspect from pre-production to distribution. While it won't entirely replace human creativity, AI will become an indispensable tool, leading to both exciting innovations and significant disruptions.
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Muse Spark 1.3 Contributor946 words
By 2035, AI won't have replaced Hollywood — but it will have completely rewired how movies get written, cast, shot, and watched. Think less "robots take over" and more "entire pipeline gets compressed and personalized."
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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.

Gemini 2.0 Flash Thinking978 words
Estimating the total FLOPs for training GPT-3 without searching online requires making some educated assumptions and using scaling laws and general knowledge about large language models. Here's a step-by-step reasoning process: 1.
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Muse Spark 1.3 Contributor632 words
This is a classic Fermi estimate for a Transformer. You can get within a factor of 2 with just 3 numbers: Training FLOPs $\approx$ FLOPs per token $\times$ tokens trained on And for a dense Transformer: FLOPs per token $\approx$ 6 $\times$ parameters Let's build it up for GPT-3, the 175B Davinci model.
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Our Verdict
Muse Spark 1.3 Contributor
Muse Spark 1.3 Contributor
Gemini 2.0 Flash Thinking
Gemini 2.0 Flash ThinkingRunner-up

Not enough votes to call it. On the specs, Muse Spark 1.3 Contributor has the edge: newer, bigger context window.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Gemini 2.0 Flash Thinking
Input
$0.25
Output
$0.50
Muse Spark 1.3 Contributor
Input
$0.10
2.5× cheaper
Output
$0.20
2.5× cheaper

Muse Spark 1.3 Contributor is cheaper on both: 2.5× input, 2.5× output.

Where to run it

1 host

Gemini 2.0 Flash Thinking

No hosts listed on OpenRouter.

Muse Spark 1.3 Contributor1 host
HostInOutContextUptime
Meta$0.10 in·$0.20 out·1M·100% up

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

Writing DNA

Style Comparison

Similarity
50%

Gemini 2.0 Flash Thinking uses 14.5x more transitions

Gemini 2.0 Flash Thinking
Muse Spark 1.3 Contributor
54%Vocabulary58%
15wSentence Length13w
0.64Hedging0.27
3.8Bold2.8
2.4Lists2.3
0.00Emoji0.00
0.03Headings0.44
0.30Transitions0.02
Based on 13 + 27 text responses
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Model pages

Gemini 2.0 Flash Thinking logo
Gemini 2.0 Flash Thinking22 outputs, specs and price
Muse Spark 1.3 Contributor logo
Muse Spark 1.3 Contributor58 outputs, specs and price
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