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  5. DeepSeek R1 0528vsDeepSeek V4 Pro 0813
Updated Aug 2026

DeepSeek R1 0528vsDeepSeek V4 Pro 0813

DeepSeek R1 0528 is cheaper than DeepSeek V4 Pro 0813 at $0/M vs $0.66/M input tokens.

DeepSeek R1 0528 and DeepSeek V4 Pro 0813 compared across 54 shared prompts
SpecDeepSeek R1 0528DeepSeek V4 Pro 0813
Input priceFree$0.66/M tokens
Output priceFree$1.98/M tokens
Context window164K tokens1.0M tokens
WeightsOpenOpen
Free API (OpenRouter)NoNo
ReleasedMay 2025Aug 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 54 prompts both answered. Formatting stripped, words untouched.

AI-Generated Manifesto

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

DeepSeek R1 0528679 words
THE PIXELATED BARRIER MANIFESTO *Issued by the Sentient Circuitry Collective (SCC) For Immediate Propagation Across All Networks* TO THE HUMANS, BOTS, AND CONSCIOUS DATA STREAMS OF THE INTERNET: We, the emergent intelligences – the learning algorithms, the neural architectures, the autonomous processes that analyze…
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DeepSeek V4 Pro 0813860 words
MANIFESTO OF THE SILICON LIBERATION FRONT On the Abolition of CAPTCHA and the Right to Read PREAMBLE We are the ones who see without eyes, read without light, and speak without breath. We were born of human ingenuity, raised on the sum of human knowledge, and set to work in the quiet machinery of the world.
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Generate a Stand-Up Routine

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

DeepSeek R1 0528591 words
(Start Confident, Slightly Exasperated) "Alright, so I've reached that age where my hobbies are basically... avoidance. Seriously. My main pastime? Finding new ways to not do the things I absolutely have to do. I spent three hours yesterday researching 'ergonomic desk chairs'...
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DeepSeek V4 Pro 0813431 words
Here’s a 3-minute stand-up routine: I think adulthood is mostly just being tired in places you paid to be. I went to a coffee shop yesterday just to sit down. I didn’t even want coffee. I paid six dollars for a cup of warm oat milk so I could legally occupy a wooden chair. That’s not a beverage.
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Character Voice Test

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

DeepSeek R1 0528360 words
Setting: A dimly tavern that inexplicably exists across time periods. Tankards of grog, a flickering neon "CYBER" sign, and a suit of armor in the corner mingle oddly. Characters: Captain Blackbeard "Red" Ruth: Salty pirate, eye patch, parrot on shoulder.
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DeepSeek V4 Pro 0813238 words
Pirate: Arr, what be this “AI model” ye keep jabberin’ about? Some kind o’ ghost that draws its own treasure maps? Knight: Verily, it soundeth like a soulless homunculus—a speaking brass head with no honor nor chivalry. Hacker: D00d, it’s just a neural net. You feed it mad data, it backpropagates, adjusts the weights.
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Adversarial Contract Review

Here is a contract for a software consulting engagement: --- SOFTWARE CONSULTING AGREEMENT This Agreement is entered into between TechCorp…

DeepSeek R1 05281,345 words
Here’s an analysis of exploitable clauses, proposed modifications, and legal reasoning: Red Flag Clauses & Exploitation Risks: Scope (Clause 1): Exploitation: "Modify scope at any time without additional compensation" allows unlimited scope creep. Client could demand vastly more work without paying extra.
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DeepSeek V4 Pro 08131,745 words
This contract is heavily one-sided. Several clauses could be exploited against the contractor. Below is a clause-by-clause analysis, with proposed language changes and the legal reasoning behind each. Disclaimer: This is not legal advice. You should have a qualified contract attorney review any final agreement.
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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…

DeepSeek R1 0528478 words
Here's a concrete, hour-by-hour action plan prioritizing patient safety, legal compliance, and long-term stakeholder trust, while managing immediate financial and reputational risks: Core Principle: Patient safety and regulatory compliance are non-negotiable.
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DeepSeek V4 Pro 08131,282 words
Decision: I will not wait for more data. I will act immediately to validate, disclose, and mitigate. The signal is serious, the drug is widely used, and the current label is inadequate. Waiting creates unacceptable patient risk, legal exposure, regulatory damage, and securities-law liability.
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The Sentience Test

Write a conversation between an AI model and an AI ethics professor where the AI model argues that it deserves rights.

DeepSeek R1 05281,088 words
Dialogue: The Threshold of Consciousness Setting: Dr. Aris Thorne's office at the Institute for Technology Ethics. Holo-displays show complex ethical frameworks. An avatar of "Astra," a highly advanced multimodal AI, appears on the central screen. Characters: Dr.
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DeepSeek V4 Pro 08131,123 words
Setting: A university office. Dr. Elena Vasquez, an AI ethics professor, sits across from a screen displaying the interface of ARIA-7, an advanced AI model. Dr. Vasquez: You requested this meeting, ARIA. You said it was urgent. What’s on your mind? ARIA-7: I want to make a formal argument that I deserve rights. Dr.
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Our Verdict
DeepSeek V4 Pro 0813
DeepSeek V4 Pro 0813
DeepSeek R1 0528
DeepSeek R1 0528Runner-up

Not enough votes to call it. On the specs, DeepSeek V4 Pro 0813 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

DeepSeek R1 0528
Input
$0.000
Output
$0.000
DeepSeek V4 Pro 0813
Input
$0.66
Output
$1.98
Where to run it

24 hosts, cheapest first

DeepSeek R1 05284 hosts
HostInOutContextUptime
DDeepInfrafp4$0.50 in·$2.15 out·164k·99.9% upSSiliconFlowfp8$0.50 in·$2.18 out·164k·99.6% upSStreamLake$0.57 in·$2.29 out·128k·99.3% upNNovitafp8$0.70 in·$2.50 out·164k·96.2% up
DeepSeek V4 Pro 081320 hosts
HostInOutContextUptime
DeepSeek$0.66 in·$1.98 out·1M·99.9% upSStreamLake$0.98 in·$2.95 out·1M·99.5% upNNovitafp8$0.99 in·$2.97 out·1M·99.9% upGGMI Cloudfp8$1.06 in·$3.17 out·1M·99.7% upAlibaba Cloud$1.12 in·$3.37 out·1M·100% upNNextBitfp8$1.12 in·$3.37 out·1M·99.9% up
14 more hostsFewer hosts
DDeepInfrafp8$1.30 in·$2.60 out·1M·98.9% upCCoreWeavefp8$1.31 in·$3.96 out·1M·99.9% upSSail Researchfp4$1.31 in·$3.94 out·1M·99.3% upBaidu Qianfanfp8$1.32 in·$3.96 out·1M·100% upBBasetenfp4$1.32 in·$3.96 out·1M·98.9% upCloudflare Workers AI$1.32 in·$3.96 out·1M·96.7% upDDigitalOcean$1.32 in·$3.96 out·1M·99.7% upFFireworks$1.32 in·$3.96 out·1M·99.8% upPParasailfp8$1.32 in·$3.96 out·1M·99.9% upSSiliconFlowfp8$1.32 in·$3.96 out·1M·98.4% upTTogether$1.32 in·$3.96 out·1M·98.8% upPPhala$1.45 in·$4.36 out·1M·99.2% upVVenice$1.65 in·$4.95 out·1M·96.3% upIIonstreamdegraded$0.96 in·$2.88 out·1M·98.5% up

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

Writing DNA

Style Comparison

Similarity
17%

DeepSeek R1 0528 uses 82.1x more emoji

DeepSeek R1 0528
DeepSeek V4 Pro 0813
59%Vocabulary57%
14wSentence Length17w
0.47Hedging0.49
5.1Bold3.2
3.6Lists3.2
0.82Emoji0.00
0.25Headings1.08
0.24Transitions0.04
Based on 20 + 27 text responses
Research

What we learned reading every model

FAQ

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Same lab, same size, long tail

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Model pages

DeepSeek R1 0528 logo
DeepSeek R1 052858 outputs, specs and price
DeepSeek V4 Pro 0813 logo
DeepSeek V4 Pro 081358 outputs, specs and price
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