Updated Aug 18, 2026

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Updated Aug 18, 2026

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DeepSeek V4 Pro 0813

Name: DeepSeek V4 Pro 0813
Brand: deepseek
Price: 0.66 USD
Availability: OnlineOnly

DeepSeek:

V4 Pro 0813

DeepSeek's large mixture-of-experts model and the general-availability release of V4 Pro. Keeps the 1M-token context window and hybrid attention of the V4 line, aimed at reasoning, coding and long-horizon agent work.

Ranks#9Frontend Development#10Summarization#10UI Replication

OpenRouter Docs API

Provider: DeepSeek
Released: 2026-08-12
Size: XLARGE
Free API (OpenRouter): No
Per 1M tokens: $0.66 in · $1.98 out
Rival’s tab: $1.95; 58/58 receipts survived

Free API availability

No free endpoint for DeepSeek V4 Pro 0813 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

19 hostsInOutContextUptime

Baidu Qianfanfp8$0.58 in$1.74 out1M99.9% up Alibaba Cloud$0.58 in$1.74 out1M99.9% up DeepSeek$0.66 in$1.98 out1M100% up StreamLake$0.66 in$1.98 out1M99.8% up Novitafp8$0.99 in$2.97 out1M100% up GMI Cloudfp8$1.06 in$3.17 out1M99.1% up

13 more hosts

Ionstreamfp4$1.10 in$3.30 out1M100% up NextBitfp8$1.12 in$3.37 out1M99.9% up DeepInfrafp8$1.30 in$2.60 out1M99.3% up CoreWeavefp8$1.31 in$3.96 out1M99.9% up Basetenfp4$1.32 in$3.96 out1M99.9% up Cloudflare Workers AI$1.32 in$3.96 out1M99.5% up DigitalOcean$1.32 in$3.96 out1M99.9% up Fireworks$1.32 in$3.96 out1M99.7% up Parasailfp8$1.32 in$3.96 out1M99.7% up Sail Researchfp4$1.32 in$3.96 out1M99.9% up SiliconFlowfp8$1.32 in$3.96 out1M100% up Together$1.32 in$3.96 out1M99.3% up Phala$1.45 in$4.36 out1M99.8% 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-0813"    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.

Deep analysisPsychometrics, taste index, writing DNA

Writing DNA

Stylometric Fingerprint

Based on 27 text responses

Tick = global average

Vocabulary Diversity57%

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

Sentence Length16.6 words

Average words per sentence.

Hedging0.49

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

Bold Formatting3.2

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

List Usage3.2

Bullet and numbered list items per 1,000 characters.

Section Structure1.08

Markdown headings per 1,000 characters.

Emoji Usage0.00

Emoji per 1,000 characters.

Transitions0.04

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

Opening Habits

Consistency

75%

Across 27 responses

Favorites

Movie

The Godfather

19728.7

Album

In Rainbows

Radiohead

Book

Мастер и Маргарита

Михаил Афанасьевич Булгаков

City

Kyoto

Japan

Game

Disco Elysium

Indie, Adventure4.4

Model Responses

53 outputs · $1.95 tracked across 53 receipts

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