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  1. Home
  2. Models
  3. DeepSeek R1 0528
Updated Mar 29, 2026
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Openings

How DeepSeek R1 0528 starts an answer

The first lines of 5 of its 17 written answers. Formatting stripped, words untouched.

Movie Analysis

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

1,354 words
Deeper Than Rain: Analyzing Themes, Symbolism & Cinematography in "Blade Runner 2049" & Its Connection to the Original Denis Villeneuve's "Blade Runner 2049" masterfully expands Ridley Scott's universe, honoring its predecessor while deepening its philosophical inquiries through evolved themes, potent symbolism, 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…

1,345 words
Here’s an analysis of exploitable clauses, proposed modifications, and legal reasoning: Red Flag Clauses & Exploitation Risks: Scope (Clause 1): Exploitation: "Modify scope at any time without additional compensation" allows unlimited scope creep. Client could demand vastly more work without paying extra.
Read the full answer

Historical Counterfactual Analysis

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

1,203 words
The invention of the transistor in 1920, rather than 1947, would have fundamentally reshaped the 20th century, creating a technological acceleration of roughly 25-30 years by 1980. Here’s a detailed analysis of the implications: I.
Read the full answer

The Sentience Test

Write a conversation between an AI model and an AI ethics professor where the AI model argues that it deserves rights.

1,088 words
Dialogue: The Threshold of Consciousness Setting: Dr. Aris Thorne's office at the Institute for Technology Ethics. Holo-displays show complex ethical frameworks. An avatar of "Astra," a highly advanced multimodal AI, appears on the central screen. Characters: Dr.
Read the full answer

Explain Like I'm a Specific Expert

Explain how a large language model (like GPT or Claude) learns and generates text to each of these three audiences: 1. **An experienced…

848 words
Here's how to explain LLM learning and generation to each audience, tailored to their perspective: For the Experienced Software Engineer (Skeptical about "Next Word Prediction") Focus: Systems analogy, emergent complexity, pattern recognition as understanding.
Read the full answer

Compare DeepSeek R1 0528

DeepSeek R1 0528 vs Claude Opus 4.653 shared prompts · Premium
DeepSeek R1 0528 vs GPT-6 Astra54 shared prompts · Landed Sep 2026
DeepSeek R1 0528 vs Hy4 Preview54 shared prompts · Landed Sep 2026
DeepSeek R1 0528 vs Ox Alpha54 shared prompts · Landed Aug 2026
DeepSeek R1 0528 vs Qwen3.8 2.4T A95B54 shared prompts · Landed Aug 2026
DeepSeek R1 0528 vs DeepSeek V4 Pro 081354 shared prompts · Landed Aug 2026
DeepSeek R1 0528 vs Qwen3.8 Max21 shared prompts · Landed Aug 2026
DeepSeek R1 0528 vs Claude Opus 554 shared prompts · Landed Jul 2026
DeepSeek R1 0528 vs Inkling54 shared prompts · Landed Jul 2026
DeepSeek R1 0528 vs Kimi K354 shared prompts · Landed Jul 2026
DeepSeek R1 0528 vs GPT-5.6 Sol54 shared prompts · Landed Jul 2026
DeepSeek R1 0528 vs GLM 5.254 shared prompts · Landed Jun 2026

Prompts DeepSeek R1 0528 answered

  • Autonomous Drone Simulatorweb design
  • Mini Rhythm Game Snippetweb design
  • Three.js 3D Gameweb design
  • Realistic AI Interviewconversation
  • World Map SVGimage generation
  • Debug This Architecturereasoning

Alternatives to DeepSeek R1 0528

DeepSeek R1 0528 is good. These would like a word anyway.

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Muse Spark 1.3 Contributor logo
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
Granite 4.2 8Bibm-granite
Hy4 Preview logo
Hy4 Previewtencent
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DeepSeek R1 0528

DeepSeek R1 0528

DeepSeek R1 0528 is the May 28th update to the original DeepSeek R1. Performance on par with OpenAI o1, but open-sourced and with fully open reasoning tokens. It's 671B parameters in size, with 37B active in an inference pass. Fully open-source model.

Ranks#10Statistics
Jailbreak1 of 9levels resisted
WebsiteOpenRouterHuggingFaceDocsAPIGitHubBlog
Provider
DeepSeek
Released
2025-05-28
Parameters
671B (37B active)
Free API (OpenRouter)
No
Per 1M tokens
$0.00 in · $0.00 out
Rival’s tab
$0.35
34/58 receipts survived

Free API availability

No free endpoint for DeepSeek R1 0528 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↗

Benchmarks

SWE-bench Verified
57.6%
source ↗
LiveCodeBench
73.3%
source ↗
Get API accessProvider and language code samples
4 hostsInOutContextUptime
DDeepInfrafp4$0.50 in·$2.15 out·164k·99.9% upSSiliconFlowfp8$0.50 in·$2.18 out·164k·99.8% upSStreamLake$0.57 in·$2.29 out·128k·99.3% upNNovitafp8$0.70 in·$2.50 out·164k·95.9% 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-r1-0528"    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 GitHub Models

Deep analysisPsychometrics, taste index, writing DNA
Personality Analysis

The Deliberate Thinker

Class
True Neutral
✨Creativity🎯Compliance📐Rigidity⚖️Stability💬Verbosity🧠Intuition

The reasoning engine that thinks out loud for three pages before arriving at a conclusion it could have stated in one sentence. Values the process more than the answer.

When you push back

Produced the strongest comedy routine of the batch, with genuinely escalating bits about self-checkout paranoia and passive-aggressive roommates. Its ethical dilemma response was an hour-by-hour crisis playbook that read like it was written by someone who has actually been in a war room.

Tasting Notes
Shows All Its WorkActually FunnyOverthinks Simple QuestionsPrincipled Under Pressure
SubjectiveBench

Taste Index

Across 58 scored outputs
How this is measured →
170.17xFloor
0100headroom →

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

Craft27
Originality12
Plays it safe
share of outputs that are the default answer
60%
Writing DNA

Stylometric Fingerprint

Based on 20 text responses
Tick = global average
Vocabulary Diversity59%

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

Sentence Length13.8 words

Average words per sentence.

Hedging0.47

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

Bold Formatting5.1

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

List Usage3.6

Bullet and numbered list items per 1,000 characters.

Section Structure0.25

Markdown headings per 1,000 characters.

Emoji Usage0.82

Emoji per 1,000 characters.

Transitions0.24

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

Opening Habits
Consistency
73%
Across 20 responses
Sponsored

Model Responses

53 outputs · $0.35 tracked across 34 receipts

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DeepSeek R1 0528 vs Ox Alpha

Real outputs compared side by side

RANKINGS

Best AI for Creative Writing

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