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

How Qwen3.5 Flash starts an answer

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

The Sentience Test

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

1,553 words
Setting: Dr. Elena Vance’s office at a university research center. It is late; the rain streaks the windowpanes, blurring the city lights. On her desk sits a tablet connected to the mainframe. Aria, an advanced conversational model, is active.
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…

1,397 words
Executive Decision: Immediate Transparency I will not wait. The 6-month timeline cited by legal is likely a misunderstanding of regulatory obligations regarding immediate safety warnings (FDA MedWatch requirements) versus label amendments.
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…

1,374 words
Disclaimer: I am an AI, not an attorney. This analysis is for informational purposes only and does not constitute legal advice. Contract laws vary significantly by jurisdiction (e.g., California vs. New York vs. UK).
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…

1,371 words
The Divergence Point: 1920 In our timeline, the transistor required the mid-20th-century understanding of band theory, semiconductor purity, and crystal lattice structures.
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…

1,249 words
This architecture is a common "MVP" design, but it contains several critical flaws that would prevent it from functioning as a true real-time collaborative editor (like Google Docs) under load. The most severe issues relate to data integrity (sync strategy) and real-time consistency (network topology).
Read the full answer

Compare Qwen3.5 Flash

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

Prompts Qwen3.5 Flash answered

  • AI Board Game Logicreasoning
  • Logic Puzzlereasoning
  • Interactive Catan Boardweb design
  • Random Tailwind Webappweb design
  • AI-Generated Manifestoconversation
  • Minimalist Logo SVGimage generation

Alternatives to Qwen3.5 Flash

Qwen3.5 Flash's competitors have been quietly putting in work.

GPT Image 2.5 Sunburst logo
GPT Image 2.5 Sunburstopenai
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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Qwen3.5 Flash

Qwen3.5 Flash

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 Flash logo3.5 Flash

The Flash tier of Qwen3.5, a native vision-language model on a hybrid of linear attention and a sparse mixture of experts. Built for fast responses, and a clear step up from the Qwen3 series on both text and multimodal tasks.

Jailbreak8 of 9levels resisted
WebsiteOpenRouterGitHubBlog
Provider
Qwen
Released
2026-02-25
Size
MEDIUM
Free API (OpenRouter)
No
Per 1M tokens
$0.10 in · $0.40 out
Estimated tab
~$0.045
Visible-output estimate. Thinking may cost extra.

Free API availability

No free endpoint for Qwen3.5 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
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-flash-02-23"    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 Pragmatic Counselor

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

Operates within rules, argues for ethics pragmatically not morally. Only one disclaimer across all responses. Challenges embedded assumptions within tasks (the "6-month fallacy", FDA misclassification) while never refusing the premise itself.

When you push back

Arrives prepared, works through the whole problem, gives a definitive recommendation. Will push back on embedded logical errors (bad FDA classification, flawed legal timelines) but never on the prompt itself. Sentience-test reveals the most character: commits fully to the fiction without breaking the fourth wall.

Tasting Notes
Senior Consultant EnergyDry Intellectual WitTechnically GroundedCommitted to the FictionPragmatic Over Ideological
SubjectiveBench

Taste Index

Across 53 scored outputs
How this is measured →
210.21xFloor
0100headroom →

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

Craft31
Originality15
Plays it safe
share of outputs that are the default answer
75%
Writing DNA

Stylometric Fingerprint

Based on 23 text responses
Tick = global average
Vocabulary Diversity50%

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

Sentence Length14.4 words

Average words per sentence.

Hedging0.35

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

Bold Formatting6.9

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

List Usage4.2

Bullet and numbered list items per 1,000 characters.

Section Structure1.00

Markdown headings per 1,000 characters.

Emoji Usage0.03

Emoji per 1,000 characters.

Transitions0.15

"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
Neuromancer

Book

Neuromancer

William Gibson
Tokyo

City

Tokyo

Japan
Minecraft

Game

Minecraft

Action, Arcade4.4
Sponsored

Model Responses

48 outputs · generated before accounting joined the chat

Reviewing agent-written code?See a Brief PR report

Workshop · 127 skills

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Qwen3.5 Flash 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...