Updated Apr 24, 2026

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Updated Apr 24, 2026

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DeepSeek V4 Flash

DeepSeek V4 Flash, a mixture-of-experts model with 284B total and 13B activated parameters over a 1M token context. Hybrid attention handles the long context, reasoning modes are configurable, and the whole thing is tuned for throughput: coding assistants, chat and agent loops.

Website OpenRouter HuggingFace Docs API Blog

Provider: DeepSeek
Released: 2026-04-24
Size: LARGE
Free API (OpenRouter): No
Per 1M tokens: $0.14 in · $0.28 out
Rival’s tab: $0.11; 58/58 receipts survived

Free API availability

No free endpoint for DeepSeek V4 Flash 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$0.07 in$0.14 out1M98.7% up DigitalOcean$0.07 in$0.17 out1M99.7% up StreamLakefp8$0.07 in$0.14 out1M96.8% up DeepInfrafp8$0.09 in$0.18 out1M99.2% up GMI Cloudfp8$0.09 in$0.18 out1M99.1% up SiliconFlowfp8$0.13 in$0.28 out1M99.5% up

9 more hosts

Alibaba Cloudfp8$0.13 in$0.27 out1M92.7% up Venice$0.14 in$0.28 out1M96.8% up AtlasCloudfp4$0.14 in$0.28 out1M99.6% up Novitafp8$0.14 in$0.28 out1M99.9% up Parasailfp8$0.14 in$0.28 out1M99.7% up NextBitfp8$0.15 in$0.35 out1M99.9% up Mancerfp8$0.19 in$0.50 out1M98% up Phala$0.20 in$0.40 out1M99.8% up Azure AI Foundry$0.21 in$0.56 out1M93.5% 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-flash"    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 →

350.35xThe default

0100headroom →

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

Craft47

Originality28

Plays it safe

share of outputs that are the default answer

45%

Writing DNA

Stylometric Fingerprint

Based on 27 text responses

Tick = global average

Vocabulary Diversity54%

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

Sentence Length16.7 words

Average words per sentence.

Hedging0.52

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

Bold Formatting3.6

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

List Usage2.6

Bullet and numbered list items per 1,000 characters.

Section Structure0.41

Markdown headings per 1,000 characters.

Emoji Usage0.00

Emoji per 1,000 characters.

Transitions0.19

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

Opening Habits

Consistency

78%

Across 27 responses

Favorites

Movie

The Matrix

19998.3

Album

OK Computer

Radiohead

Book

Hrabě Monte Cristo. Díl 1 a 2 (třísvazkové vydání)

Alexandre Dumas

City

Kyoto

Japan

Game

The Legend of Zelda: Ocarina of Time

Adventure, Action4.4

Model Responses

53 outputs · $0.11 tracked across 53 receipts

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