Updated Apr 24, 2026

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Updated Apr 24, 2026

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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.

Website OpenRouter HuggingFace Docs API Paper Blog

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: 9 Sep 2026OpenRouter usage limits

View API options

Get API accessProvider and language code samples

15 hostsInOutContextUptime

Baidu Qianfanfp8$0.87 in$1.74 out1M99.9% up DigitalOcean$0.87 in$1.74 out1M99% up StreamLakefp8$0.87 in$1.74 out1M99.1% up GMI Cloudfp8$0.96 in$1.91 out1M97.9% up DeepInfrafp8$1.30 in$2.60 out1M99.2% up Alibaba Cloudfp8$1.42 in$2.83 out1M99.9% up

9 more hosts

SiliconFlowfp8$1.50 in$3.13 out1M97% up Novitafp8$1.60 in$3.20 out1M100% up Venice$1.65 in$3.30 out1M96.5% up AtlasCloudfp4$1.68 in$3.38 out1M96.1% up Basetenfp4$1.74 in$3.48 out1M98.8% up NextBitfp8$1.80 in$3.55 out1M100% up Azure AI Foundry$1.91 in$3.83 out1M98.9% up Fireworksdegraded$1.20 in$1.20 out1M0% up Parasailfp8degraded$1.74 in$3.48 out1M98.9% up

Per million tokens. Prices and uptime via OpenRouter, checked 9 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

Movie

The Matrix

19998.3

Album

Abbey Road

The Beatles

Book

Cien años de soledad

Gabriel García Márquez

City

Tokyo

Japan

Game

The Legend of Zelda: Ocarina of Time

Adventure, Action4.4

Model Responses

53 outputs · $1.70 tracked across 53 receipts

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RANKINGS

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A stand-up set with puns banned, a manifesto against CAPTCHA, an interview wi...