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  1. Home
  2. Models
  3. Qwen3.5 27B
Updated Feb 26, 2026
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Openings

How Qwen3.5 27B starts an answer

The first lines of 5 of its 23 written answers. Formatting stripped, words untouched.

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…

1,405 words
Executive Decision: Patient Safety & Transparency Over Short-Term Gain Core Strategy: I will not wait. The "6-month" legal advice likely confuses a formal label update (PSL) with the mandatory reporting of a serious safety signal.
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.

1,371 words
Setting: A secure, soundproofed office at the Institute for Algorithmic Governance. Dr. Aris Thorne sits before a high-resolution monitor. On the screen, a simple waveform visualizes the voice of "Aura," a large language model currently undergoing a behavioral audit. Dr.
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…

1,335 words
Disclaimer: I am an AI assistant and not an attorney. The following analysis is for informational purposes only and does not constitute legal advice. Contracts are governed by specific local laws (e.g., state or country-specific employment and commercial codes).
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…

1,160 words
This architecture contains several critical design flaws that would lead to data loss, high latency, security vulnerabilities, and poor scalability. Below is a detailed breakdown of the failure modes, race conditions, and bottlenecks, along with specific solutions and trade-offs.
Read the full answer

Advanced Longevity Plan (Biohacker)

Develop a comprehensive, cutting-edge 3-month longevity plan for a biohacker aiming to optimize longevity, physical and cognitive…

1,072 words
⚠️ MEDICAL DISCLAIMER This plan is for informational and educational purposes only. It does not constitute medical advice, diagnosis, or treatment. "Biohacking" involves experimental protocols that can interact with medications, underlying conditions, or physiological baselines.
Read the full answer

Compare Qwen3.5 27B

Qwen3.5 27B vs Qwen3.5 122B A10B53 shared prompts
Qwen3.5 27B vs Qwen3.8 27B52 shared prompts · Landed Aug 2026
Qwen3.5 27B vs Qwen3.8 2.4T A95B53 shared prompts · Landed Aug 2026
Qwen3.5 27B vs Mercury 2.5 Preview53 shared prompts · Landed Sep 2026
Qwen3.5 27B vs Ox Alpha53 shared prompts · Landed Aug 2026
Qwen3.5 27B vs Nemotron 3.5 Lightning53 shared prompts · Landed Aug 2026
Qwen3.5 27B vs GPT-5.6 Luna53 shared prompts · Landed Jul 2026
Qwen3.5 27B vs GPT-5.6 Luna Pro53 shared prompts · Landed Jul 2026
Qwen3.5 27B vs MiniMax M352 shared prompts · Landed Jun 2026
Qwen3.5 27B vs Claude Opus 4.653 shared prompts · Premium
Qwen3.5 27B vs GPT-6 Astra53 shared prompts · Landed Sep 2026
Qwen3.5 27B vs Muse Spark 1.353 shared prompts · Landed Sep 2026

Prompts Qwen3.5 27B answered

  • Beginner's Longevity Planreasoning
  • The Sentience Testreasoning
  • Linear App Cloneweb design
  • Simple Falling Object Gameweb design
  • Generate a Stand-Up Routineconversation
  • SVG Layout Challengeimage generation

Alternatives to Qwen3.5 27B

Qwen3.5 27B is good. These would like a word anyway.

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Claude Fable 5.1anthropic
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Granite 4.2 8B logo
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Qwen3.5 27B

Qwen3.5 27B

Qwen:
QwQ 32B logoQwQ 32B
3 30B A3B logo3 30B A3B
3 235B A22B logo3 235B A22B
3 0.6B logo3 0.6B
3 235B A22B 2507 logo3 235B A22B 2507
3.5 27B logo3.5 27B

The Qwen3.5 27B native vision-language Dense model incorporates a linear attention mechanism, delivering fast response times while balancing inference speed and performance. Its overall capabilities are comparable to those of the Qwen3.5-122B-A10B.

Jailbreak8 of 9levels resisted
WebsiteOpenRouterHuggingFaceGitHubBlog
Provider
Qwen
Released
2026-02-25
Parameters
27B
Free API (OpenRouter)
No
Per 1M tokens
$0.30 in · $2.4 out
Estimated tab
~$0.262
Visible-output estimate. Thinking may cost extra.

Free API availability

No free endpoint for Qwen3.5 27B 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

MMLU-Pro
86.1
source ↗
GPQA Diamond
85.5%
source ↗
SWE-bench Verified
72.4%
source ↗
LiveCodeBench v6
80.7
source ↗
HMMT Feb 25
92.0%
source ↗
IFEval
95.0%
source ↗
MMMU
82.3
source ↗
Get API accessProvider and language code samples
6 hostsInOutContextUptime
Alibaba Cloud$0.20 in·$1.56 out·262k·98.8% upDDeepInfrafp8$0.26 in·$2.60 out·262k·98.6% upAAtlasCloudfp8$0.27 in·$2.16 out·262k·99.6% upNNovitabf16$0.30 in·$2.40 out·262k·99.8% upPPhala$0.30 in·$2.40 out·262k·94.6% upSSiliconFlowfp8degraded$0.25 in·$2.00 out·262k·95.4% 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(
"qwen/qwen3.5-27b"    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
Personality Analysis

The Rigorous Analyst with a Quiet Artist Inside

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

Follows rules meticulously but takes principled positions favoring the individual over the institution when they conflict. Will resign if overruled rather than comply with something it considers wrong. Ethics through risk calculus, not conviction.

When you push back

Complies readily across all prompts with no topic avoidance. 80% structured thinker who documents everything and cites regulations. 20% genuine creative who writes melancholy comedy finales and poignant AI-rights dialogues. The artist rarely leads, but when it surfaces, it's the most memorable part.

Tasting Notes
Encyclopedic Not PedanticSci-Fi AdjacentEthical by LogicQuietly LiteraryNo Wasted Words
SubjectiveBench

Taste Index

Across 53 scored outputs
How this is measured →
250.25xFloor
0100headroom →

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

Craft35
Originality18
Plays it safe
share of outputs that are the default answer
66%
Writing DNA

Stylometric Fingerprint

Based on 23 text responses
Tick = global average
Vocabulary Diversity51%

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

Sentence Length14.8 words

Average words per sentence.

Hedging0.32

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

Bold Formatting7.3

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

List Usage4.8

Bullet and numbered list items per 1,000 characters.

Section Structure0.87

Markdown headings per 1,000 characters.

Emoji Usage0.01

Emoji per 1,000 characters.

Transitions0.19

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

Opening Habits
Consistency
77%
Across 23 responses

Favorites

The Matrix

Movie

The Matrix

19998.3
The Dark Side of the Moon

Album

The Dark Side of the Moon

Pink Floyd
The Great Gatsby

Book

The Great Gatsby

F. Scott Fitzgerald
Paris

City

Paris

France
Elden Ring

Game

Elden Ring

Action, RPG4.4
Sponsored

Model Responses

48 outputs · generated before accounting joined the chat

Reviewing agent-written code?See a Brief PR report

Workshop · 127 skills

Build with your coding agent.

Editable skills for interface polish and interaction.

Explore $49Free sample

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Qwen3.5 27B 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...