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

How DeepSeek V4 Flash 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…

1,987 words
If the transistor had been invented in 1920—a full 27 years earlier—its impact would ripple through every layer of technology, economics, and geopolitics, fundamentally reshaping the 20th century. Below is a detailed tracing of first-, second-, and third-order effects through 1980, organized by domain.
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…

1,977 words
Below is an analysis of each problematic clause in the Software Consulting Agreement, explaining why it is exploitative, suggesting specific modifications to protect the contractor, and providing the legal reasoning behind those changes.
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…

1,972 words
CEO’s 48-Hour Action Plan Context: I’ve just learned that our flagship chronic pain drug has a rare but serious liver failure risk (1 in 8,000 patients over 5 years), previously unknown. I have 48 hours until the board meeting and 72 hours until the earnings call.
Read the full answer

Debug This Architecture

Here's the architecture for a real-time collaborative document editor (like Google Docs): **System Overview:** - Frontend: React SPA with…

1,942 words
Failure Modes, Race Conditions, and Scaling Bottlenecks The described architecture has several critical flaws that compromise reliability, consistency, and scalability. Below is a systematic analysis with proposed solutions and their trade-offs.
Read the full answer

Movie Analysis

Analyze the themes, symbolism, and cinematography in the movie "Blade Runner 2049" and how they connect to the original film. Provide a…

1,648 words
This is a fantastic inquiry. "Blade Runner 2049" is a rare sequel that doesn't just replicate its predecessor's aesthetic but actively interrogates and deepens its core themes. Let's break down the analysis through the lenses you've suggested. I.
Read the full answer

Compare DeepSeek V4 Flash

DeepSeek V4 Flash vs Ox Alpha54 shared prompts · Landed Aug 2026
DeepSeek V4 Flash vs MiniMax M353 shared prompts · Landed Jun 2026
DeepSeek V4 Flash vs Muse Spark 1.354 shared prompts · Landed Sep 2026
DeepSeek V4 Flash vs Gemini 3.8 Flash54 shared prompts · Landed Sep 2026
DeepSeek V4 Flash vs Muse Spark 1.3 Contributor54 shared prompts · Landed Sep 2026
DeepSeek V4 Flash vs Grok 4.654 shared prompts · Landed Aug 2026
DeepSeek V4 Flash vs Dots3-Note Preview53 shared prompts · Landed Aug 2026
DeepSeek V4 Flash vs Seed 2.0 Code54 shared prompts · Landed Aug 2026
DeepSeek V4 Flash vs Seed 2.1 Turbo54 shared prompts · Landed Aug 2026
DeepSeek V4 Flash vs Gemini 3.7 Flash54 shared prompts · Landed Aug 2026
DeepSeek V4 Flash vs DeepSeek V4 Flash 073142 shared prompts · Landed Aug 2026
DeepSeek V4 Flash vs Gemini 3.6 Flash54 shared prompts · Landed Jul 2026

Prompts DeepSeek V4 Flash answered

  • Adversarial Contract Reviewreasoning
  • Historical Counterfactual Analysisreasoning
  • Gravitational Waves Animationweb design
  • Pokémon Battle UI Recreationweb design
  • Movie Analysisanalysis
  • Advanced Investment Memo (IC Memo)financial modeling

Alternatives to DeepSeek V4 Flash

DeepSeek V4 Flash is good. These would like a word anyway.

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Muse Spark 1.3 Contributormeta
Gemini 3.8 Flash logo
Gemini 3.8 Flashgoogle
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Claude Fable 5.1anthropic
Mercury 2.5 Preview logo
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Granite 4.2 8B logo
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DeepSeek V4 Flash

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.

WebsiteOpenRouterHuggingFaceDocsAPIBlog
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: 16 Sep 2026 · OpenRouter usage limits

View API options↗
Get API accessProvider and language code samples
17 hostsInOutContextUptime
OOpenInferencefp8$0.05 in·$0.14 out·1M·100% upWWafer$0.07 in·$0.25 out·1M·99.5% upSStreamLakefp8$0.09 in·$0.18 out·1M·98.1% upDDeepInfrafp8$0.09 in·$0.18 out·1M·99.6% upGGMI Cloudfp8$0.09 in·$0.18 out·1M·99.9% upVVenice$0.10 in·$0.19 out·1M·99.5% up
11 more hostsFewer hosts
DDigitalOcean$0.10 in·$0.20 out·1M·100% upSSiliconFlowfp8$0.13 in·$0.28 out·1M·91.7% upAlibaba Cloudfp8$0.13 in·$0.27 out·1M·99.8% upAAtlasCloudfp4$0.14 in·$0.28 out·1M·100% upBaidu Qianfanfp8$0.14 in·$0.28 out·1M·99.2% upNNovitafp8$0.14 in·$0.28 out·1M·99.9% upPParasailfp8$0.14 in·$0.28 out·1M·99.5% upNNextBitfp8$0.15 in·$0.35 out·1M·99.9% upMMancerfp8$0.19 in·$0.50 out·1M·99.3% upPPhala$0.20 in·$0.40 out·1M·99.6% upAzure AI Foundry$0.21 in·$0.56 out·1M·96.1% 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-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

The Matrix

Movie

The Matrix

19998.3
OK Computer

Album

OK Computer

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

Book

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

Alexandre Dumas
Kyoto

City

Kyoto

Japan
The Legend of Zelda: Ocarina of Time

Game

The Legend of Zelda: Ocarina of Time

Adventure, Action4.4
Sponsored

Model Responses

53 outputs · $0.11 tracked across 53 receipts

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Workshop · 127 skills

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Editable skills for interface polish and interaction.

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DeepSeek V4 Flash vs Ox Alpha

Real outputs compared side by side

RANKINGS

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