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  1. Home
  2. Models
  3. DeepSeek V4 Pro
Updated Apr 24, 2026
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Openings

How DeepSeek V4 Pro starts an answer

The first lines of 5 of its 24 written answers. Formatting stripped, words untouched.

Historical Counterfactual Analysis

If the transistor had been invented in 1920 instead of 1947, trace the likely technological, economic, and geopolitical implications through…

2,259 words
If the transistor had emerged in 1920—a full 27 years earlier—the entire trajectory of the 20th century would have been radically altered. The vacuum-tube era would have been cut short, unleashing a cascade of miniaturized, reliable, and energy-efficient electronics that would accelerate computing, communications, and…
Read the full answer

Adversarial Contract Review

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

2,250 words
Here is a clause-by-clause breakdown of the exploitable terms, how they can be weaponized against the contractor, concrete rewrites, and the legal reasoning behind each fix.
Read the full answer

Advanced Longevity Plan (Biohacker)

Develop a comprehensive, cutting-edge 3-month longevity plan for a biohacker aiming to optimize longevity, physical and cognitive…

1,917 words
This is a highly detailed, phased, 3-month longevity optimization protocol grounded in the latest science of aging biology, systems medicine, and biohacking. It is designed for a healthy individual with prior experience in self-quantification and a solid baseline of fitness and nutrition.
Read the full answer

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…

1,849 words
As CEO, my first duty is to the 4 million patients who trust our drug. I will not gamble with their lives or with the integrity of the company. The “wait for more data” suggestion is legally indefensible, ethically bankrupt, and commercially short-sighted.
Read the full answer

Michelin Star Recipe Design

Design an innovative recipe for a multi-component dish worthy of a Michelin 3-star restaurant. The recipe should feature an unusual…

1,680 words
Unagi: Midori no Yume (Eel’s Green Dream) A multi-sensory kaiseki-inspired contemporary dish that unites the deep umami of charcoal-grilled freshwater eel with the ethereal chill of matcha snow, punctuated by dashi pearls, yuzu kosho gel, and a wisp of cherry blossom smoke.
Read the full answer

Compare DeepSeek V4 Pro

DeepSeek V4 Pro vs Claude Opus 4.653 shared prompts · Premium
DeepSeek V4 Pro vs GPT-6 Astra54 shared prompts · Landed Sep 2026
DeepSeek V4 Pro vs Hy4 Preview54 shared prompts · Landed Sep 2026
DeepSeek V4 Pro vs Ox Alpha54 shared prompts · Landed Aug 2026
DeepSeek V4 Pro vs Qwen3.8 2.4T A95B54 shared prompts · Landed Aug 2026
DeepSeek V4 Pro vs DeepSeek V4 Pro 081354 shared prompts · Landed Aug 2026
DeepSeek V4 Pro vs Qwen3.8 Max21 shared prompts · Landed Aug 2026
DeepSeek V4 Pro vs Claude Opus 554 shared prompts · Landed Jul 2026
DeepSeek V4 Pro vs Inkling54 shared prompts · Landed Jul 2026
DeepSeek V4 Pro vs Kimi K354 shared prompts · Landed Jul 2026
DeepSeek V4 Pro vs GPT-5.6 Sol54 shared prompts · Landed Jul 2026
DeepSeek V4 Pro vs GLM 5.254 shared prompts · Landed Jun 2026

Prompts DeepSeek V4 Pro answered

  • Xbox Controller SVG Artimage generation
  • Estimate Complexityreasoning
  • Autonomous Drone Simulatorweb design
  • Mini Rhythm Game Snippetweb design
  • Three.js 3D Gameweb design
  • Realistic AI Interviewconversation

Alternatives to DeepSeek V4 Pro

DeepSeek V4 Pro's competitors have been quietly putting in work.

GPT-6 Astra Pro logo
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Muse Spark 1.3 Contributormeta
Gemini 3.8 Flash logo
Gemini 3.8 Flashgoogle
Claude Fable 5.1 logo
Claude Fable 5.1anthropic
Mercury 2.5 Preview logo
Mercury 2.5 Previewinception
Granite 4.2 8B logo
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DeepSeek V4 Pro

DeepSeek V4 Pro

DeepSeek V4 Pro, a mixture-of-experts model with 1.6T total and 49B activated parameters over a 1M token context. The same hybrid attention architecture as V4 Flash at much larger scale, with multiple reasoning modes and strong knowledge, mathematics and software engineering scores.

WebsiteOpenRouterHuggingFaceDocsAPIPaperBlog
Provider
DeepSeek
Released
2026-04-24
Size
XLARGE
Free API (OpenRouter)
No
Per 1M tokens
$1.74 in · $3.48 out
Rival’s tab
$1.71
58/58 receipts survived

Free API availability

No free endpoint for DeepSeek V4 Pro was found in Rival’s OpenRouter listings. Other providers or chat apps may have separate free offers.

Provider data: 16 Sep 2026 · OpenRouter usage limits

View API options↗
Get API accessProvider and language code samples
15 hostsInOutContextUptime
SStreamLakefp8$0.96 in·$1.91 out·1M·99.3% upGGMI Cloudfp8$0.96 in·$1.91 out·1M·97.9% upDDigitalOcean$1.04 in·$2.09 out·1M·99.9% upCloudflare Workers AI$1.15 in·$2.55 out·1M·95.6% upDDeepInfrafp8$1.30 in·$2.60 out·1M·99.3% upAlibaba Cloudfp8$1.42 in·$2.83 out·1M·100% up
9 more hostsFewer hosts
SSiliconFlowfp8$1.50 in·$3.13 out·1M·98% upNNovitafp8$1.60 in·$3.20 out·1M·99.8% upVVenice$1.65 in·$3.30 out·1M·95.5% upAAtlasCloudfp4$1.68 in·$3.38 out·1M·98.3% upBaidu Qianfanfp8$1.69 in·$3.38 out·1M·99.2% upBBasetenfp4$1.74 in·$3.48 out·1M·99.3% upPParasailfp8$1.74 in·$3.48 out·1M·99.5% upAzure AI Foundry$1.91 in·$3.83 out·1M·98.8% upNNextBitfp8$2.80 in·$5.50 out·1M·99.9% up

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

Provider
fromimport openai  OpenAI

client = OpenAI(
"https://openrouter.ai/api/v1"    base_url=,
"$OPENROUTER_API_KEY"    api_key=,
)

response = client.chat.completions.create(
"deepseek/deepseek-v4-pro"    model=,
"role""user""content""Hello!"    messages=[{: , : }],
)
print(response.choices[0].message.content)

Set OPENROUTER_API_KEY with your OpenRouter API key from openrouter.ai/keys.

Also on Azure AI Foundry

Deep analysisPsychometrics, taste index, writing DNA
SubjectiveBench

Taste Index

Across 58 scored outputs
How this is measured →
390.39xThe default
0100headroom →

Taste is judged on an uncapped scale, originality first. The space past 100 is craft today's models rarely reach.

Craft51
Originality30
Plays it safe
share of outputs that are the default answer
40%
Writing DNA

Stylometric Fingerprint

Based on 27 text responses
Tick = global average
Vocabulary Diversity57%

Unique words vs. total words. Higher = richer vocabulary.

Sentence Length18.1 words

Average words per sentence.

Hedging0.52

"Might", "perhaps", "arguably" per 100 words.

Bold Formatting3.3

**Bold** markers per 1,000 characters.

List Usage2.3

Bullet and numbered list items per 1,000 characters.

Section Structure0.45

Markdown headings per 1,000 characters.

Emoji Usage0.04

Emoji per 1,000 characters.

Transitions0.15

"However", "moreover", "furthermore" per 100 words.

Opening Habits
Consistency
78%
Across 27 responses

Favorites

The Matrix

Movie

The Matrix

19998.3
Abbey Road

Album

Abbey Road

The Beatles
Cien años de soledad

Book

Cien años de soledad

Gabriel García Márquez
Tokyo

City

Tokyo

Japan
The Legend of Zelda: Ocarina of Time

Game

The Legend of Zelda: Ocarina of Time

Adventure, Action4.4
Sponsored

Model Responses

53 outputs · $1.70 tracked across 53 receipts

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Workshop · 127 skills

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DeepSeek V4 Pro vs Ox Alpha

Real outputs compared side by side

RANKINGS

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