qwen3.5-27b

completions

byopenrouter

qwen3.5-27b

completions

Published by: qwenProvider:

openrouter

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.

Released

Feb 24, 2026

Knowledge

Aug 28, 2025

License

Apache-2.0

Context

262144

Input

$0.26 / 1M tokens

Output

$2.04 / 1M tokens

Cached

$0.27 / 1M tokens

Capabilities: tools, reasoning

Accepts: text, image

Returns: text

Released Feb 24, 2026Knowledge Cutoff: Aug 28, 2025License: Apache-2.0

Context: 262144 Input: $0.26 / 1M tokensOutput: $2.04 / 1M tokensCached: $0.27 / 1M tokensCapabilities: tools, reasoningAccepts: text, imageReturns: text

Access qwen3.5-27b through LangDB AI Gateway

Recommended

Integrate with qwen's qwen3.5-27b and 250+ other models through a unified API. Monitor usage, control costs, and enhance security.

Unified API

Cost Optimization

Enterprise Security

Get Started Now

Free tier available • No credit card required

Instant Setup

99.9% Uptime

10,000+Monthly Requests

Benchmark Results for qwen3.5-27b

Category Performance Scores:

Vision: Score 82.30 (Top 8% - Rank #28)
Science: Score 79.13 (Top 10% - Rank #35)
Writing: Score 72.32 (Top 9% - Rank #32)
Academia: Score 63.88 (Top 9% - Rank #32)
Marketing: Score 72.89 (Top 4% - Rank #14)
Programming: Score 34.90 (Top 19% - Rank #67)

Overall Performance: 67.56791666666666 average score across all categories

Detailed Benchmark Scores:

Benchmark	Score	Percentile	Domain
HLE	22.20	Top 11%	General Knowledge
GPQA	85.65	Top 9%	STEM (Physics, Chemistry, Biology)
MMMU	82.30	Top 8%	General Knowledge
SciCode	39.50	Top 27%	Scientific
MMLU-Pro	86.10	Top 12%	General Knowledge
AA Coding Index	34.90	Top 19%	Programming
AAII	42.10	Top 10%	General

GPQA Score: 85.65 - Graduate-level reasoning benchmark

Model Comparison:

Provider: openrouter

Model Type: completions

Context Size: 262144 tokens

Comparing against 348 models in the database

Category Scores

marketing#9 vision#3

Benchmark Tests

View Other Benchmarks

HLE

22.2

General Knowledge

GPQA

85.7

STEM (Physics, Chemistry, Biology)

MMMU

82.3

General Knowledge

SciCode

39.5

Scientific

MMLU-Pro

86.1

General Knowledge

AA Coding Index

34.9

Programming

AAII

42.1

General

Metric	HLE	GPQA	MMMU	SciCode	MMLU-Pro	AA Coding Index	AAII
Score	22.2	85.7	82.3	39.5	86.1	34.9	42.1

Compare with Similar Models

claude-opus-4.5

claude-opus-4.6

gemini-3-flash-preview

claude-sonnet-4.5

gemini-3-pro-preview

claude-sonnet-4

Code Examples

Integration samples and API usage

Code Samples for qwen3.5-27b

Python SDK Example:

from openai import OpenAI

client = OpenAI(
    base_url="https://api.us-east-1.langdb.ai/projects/<your_project_id>",
    api_key="<your_api_key>"
)

response = client.chat.completions.create(
    model="qwen3.5-27b",
    messages=[
        {"role": "user", "content": "Hello, how are you?"}
    ]
)

print(response.choices[0].message.content)

TypeScript SDK Example:

import OpenAI from 'openai';

const client = new OpenAI({
    baseURL: "https://api.us-east-1.langdb.ai/projects/<your_project_id>",
    apiKey: "<your_api_key>"
});

const response = await client.chat.completions.create({
    model: "qwen3.5-27b",
    messages: [
        { role: "user", content: "Hello, how are you?" }
    ]
});

console.log(response.choices[0].message.content);

cURL Example:

curl -X POST "https://api.us-east-1.langdb.ai/projects/<your_project_id>/v1/chat/completions" \
  -H "Authorization: Bearer <your_api_key>" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "qwen3.5-27b",
    "messages": [
        {"role": "user", "content": "Hello, how are you?"}
    ]
  }'

Model: qwen3.5-27b

Provider: openrouter

API Endpoint: $https://api.us-east-1.langdb.ai

Create API Key

Related Models

Similar models from openrouter

qwen3.5-27b

qwen3.5-27b

Access qwen3.5-27b through LangDB AI Gateway

Category Scores

Benchmark Tests

Compare with Similar Models

Code Examples

Related Models

aion-1.0

aion-1.0-mini

aion-2.0

aion-rp-llama-3.1-8b

coder-large

cogito-v2.1-671b

qwen3.5-27b by openrouter - AI Model Details, Pricing, and Performance Metrics

qwen3.5-27b

qwen3.5-27b

Access qwen3.5-27b through LangDB AI Gateway

Category Scores

Benchmark Tests

Compare with Similar Models

Code Examples

Related Models

aion-1.0

aion-1.0-mini

aion-2.0

aion-rp-llama-3.1-8b

coder-large

cogito-v2.1-671b