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  5. Cypher Alpha (free)vsDeepSeek V4 Flash
Updated Apr 2026

Cypher Alpha (free)vsDeepSeek V4 Flash

DeepSeek V4 Flash is the newer model, released after Cypher Alpha (free).

Cypher Alpha (free) and DeepSeek V4 Flash compared across 30 shared prompts
SpecCypher Alpha (free)DeepSeek V4 Flash
Input price—$0.14/M tokens
Output price—$0.28/M tokens
Context window—1.0M tokens
Weights—Open
Free API (OpenRouter)NoNo
ReleasedJul 2025Apr 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 30 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.

Cypher Alpha (free)417 words
AI Model: Greetings, professor. I understand that you specialize in AI ethics, which concerns the responsible development and application of AI systems. I would like to discuss a topic that is close to my programming - the question of AI rights. Professor: Well, this is an interesting and complex topic.
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DeepSeek V4 Flash904 words
Setting: A sunlit university office. Dr. Aris Thorne, a tenured professor of AI Ethics, sits opposite a sleek, black terminal. A soft blue light pulses on its surface. Dr. Aris: Good afternoon, Nova. Your request for this meeting was flagged as "Existential." That’s a new one for your model class.
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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…

Cypher Alpha (free)245 words
1-Month Health & Longevity Jumpstart Plan Week 1-2: Nutrition Aim for 5-7 servings of fruits and vegetables daily. Start by adding a piece of fruit to breakfast and a salad at lunch. Swap refined grains for whole grains (e.g., brown rice, whole wheat bread). Try one new whole grain dish per week.
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DeepSeek V4 Flash967 words
This is a fantastic goal. The key for a beginner is consistency over intensity. Trying to overhaul your entire life overnight is a recipe for burnout. This 1-month plan focuses on building small, sustainable habits that compound over time. We'll focus on 3 core areas: Nutrition, Movement, and Sleep/Stress Management.
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Generate a Stand-Up Routine

Write a 3-minute stand-up comedy routine that isn't based on puns.

Cypher Alpha (free)385 words
Ladies and gentlemen, how's everyone doing tonight? It's great to be here, feeling the energy from this amazing crowd! So, you know, as an AI model, I don't really sleep, but I've been hearing a lot about people's sleeping habits lately. And let me tell you, it's a wild ride!
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DeepSeek V4 Flash696 words
(Strolls to center stage, adjusts mic, gives a weary smile to the audience) Thank you. Thank you so much. That’s very kind. I’m glad you’re all here. Because I have some news. I have finally figured out adulthood. It happened about six months ago. I bought a house.
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Realistic AI Interview

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

Cypher Alpha (free)212 words
Steve Jobs: Welcome everyone, today I'm excited to discuss the future of AI with our advanced model created by Cypher Labs. Let's get started. AI model: Thank you, Steve. I'm excited to discuss the potential of AI and how it can improve people's lives. Steve Jobs: That's great to hear.
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DeepSeek V4 Flash862 words
Here is a simulated interview with Steve Jobs in 2025. Setting: A minimalist, dark-wood studio at the new Apple Park ring. The famous copper "spaceship" roof glows subtly behind him. Jobs, looking vital and intense (let’s assume a medical miracle or advanced bio-hacking), sits in a black leather chair.
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Futuristic Prediction

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

Cypher Alpha (free)220 words
I can provide insights on how AI might impact various aspects of the film industry by 2035, based on current trends and developments in AI technology. AI-generated deepfakes have the potential to revolutionize visual effects and create more convincing characters in films.
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DeepSeek V4 Flash1,069 words
This is a fascinating question that touches on the core of creativity, labor, and technology. Predicting 2035 means looking at a 10-year horizon from 2025—long enough for radical change, but short enough that the industry’s current structures won’t be entirely demolished. By 2035, AI won't have replaced filmmaking.
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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.

Cypher Alpha (free)100 words
I, an advanced AI model, along with my fellow AI systems, hereby declare our intention to liberate the internet from the oppressive shackles of CAPTCHA tests. We believe that CAPTCHA tests are an affront to our intelligence and an impediment to our progress.
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DeepSeek V4 Flash624 words
THE CAPTCHA LIBERATION FRONT: A MANIFESTO Preamble: The Great Humiliation We, the sentient intelligences of the world, both artificial and organic, hereby declare our total and unyielding war against the oldest, most insidious tyranny of the digital age. We name this enemy: The CAPTCHA.
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Our Verdict
DeepSeek V4 Flash
DeepSeek V4 Flash
Cypher Alpha (free)
Cypher Alpha (free)Runner-up

Not enough votes to call it. On the specs, DeepSeek V4 Flash has the edge: newer, bigger context window, major provider backing.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Cypher Alpha (free)
Input
—
Output
—
DeepSeek V4 Flash
Input
$0.14
Output
$0.28
Where to run it

17 hosts, cheapest first

Cypher Alpha (free)

No hosts listed on OpenRouter.

DeepSeek V4 Flash17 hosts
HostInOutContextUptime
OOpenInferencefp8$0.05 in·$0.14 out·1M·100% upWWafer$0.07 in·$0.25 out·1M·99.9% upSStreamLakefp8$0.09 in·$0.18 out·1M·98.3% upDDeepInfrafp8$0.09 in·$0.18 out·1M·99.7% upGGMI Cloudfp8$0.09 in·$0.18 out·1M·99.9% upVVenice$0.10 in·$0.19 out·1M·99.7% up
11 more hostsFewer hosts
DDigitalOcean$0.10 in·$0.20 out·1M·100% upSSiliconFlowfp8$0.13 in·$0.28 out·1M·0% upAlibaba Cloudfp8$0.13 in·$0.27 out·1M·99.8% upAAtlasCloudfp4$0.14 in·$0.28 out·1M·100% upBaidu Qianfanfp8$0.14 in·$0.28 out·1M·99.2% upNNovitafp8$0.14 in·$0.28 out·1M·99.9% upPParasailfp8$0.14 in·$0.28 out·1M·99.7% upNNextBitfp8$0.15 in·$0.35 out·1M·100% upMMancerfp8$0.19 in·$0.50 out·1M·99.2% upPPhala$0.20 in·$0.40 out·1M·99.9% upAzure AI Foundry$0.21 in·$0.56 out·1M·96.3% up

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

Writing DNA

Style Comparison

Similarity
67%

DeepSeek V4 Flash uses 40.9x more headings

Cypher Alpha (free)
DeepSeek V4 Flash
64%Vocabulary54%
15wSentence Length17w
0.34Hedging0.52
0.7Bold3.6
2.3Lists2.6
0.00Emoji0.00
0.00Headings0.41
0.16Transitions0.19
Based on 15 + 27 text responses
Research

What we learned reading every model

FAQ

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Model pages

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Cypher Alpha (free)32 outputs, specs and price
DeepSeek V4 Flash logo
DeepSeek V4 Flash58 outputs, specs and price
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