Question 1

What is Qwen3.5 27B?

Accepted Answer

Qwen3.5 27B is a model from Qwen, released on Feb 24, 2026. 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.

Question 2

How much does Qwen3.5 27B cost?

Accepted Answer

On the Respan gateway, input starts at $0.09 per 1M tokens on EmpirioLabs, and output starts at $0.69 per 1M tokens on EmpirioLabs, after gateway discounts. Averaged across 5 providers, it costs $0.22 per 1M input tokens and $1.88 per 1M output tokens.

Question 3

Which providers serve Qwen3.5 27B on Respan?

Accepted Answer

5 providers serve Qwen3.5 27B: EmpirioLabs, OpenRouter, DeepInfra, Novita, and Featherless.

Question 4

What is Qwen3.5 27B's context window?

Accepted Answer

Qwen3.5 27B accepts up to 262K tokens of context on its largest provider route.

Question 5

How do I use Qwen3.5 27B with the Respan gateway?

Accepted Answer

Point any OpenAI-compatible SDK at https://api.respan.ai/api/ with your Respan API key and set the model to "qwen3.5-27b". To set it up with a coding agent, copy the agent setup prompt at the top of this page.

Question 6

How fast is Qwen3.5 27B?

Accepted Answer

Over the last 30 days of requests through the Respan gateway, the fastest provider was Novita at 62 tokens per second, and the lowest response latency was 5.6 seconds on Novita. Speed varies with request size and provider.

Question 7

Where does Qwen3.5 27B rank on the Respan Index?

Accepted Answer

Qwen3.5 27B scores 18.3 out of 100 on the Respan Index v1.1, ranking #103 of 138 models. By category: Coding 6.0, Agents 12.7, Reasoning 16.1, Knowledge & language 22.8, and Human preference 48.8. The Respan Index combines independent and lab-reported benchmark results into one score, using benchmark data collected by llmmetric.com.

Question 8

How does Qwen3.5 27B score on benchmarks?

Accepted Answer

Qwen3.5 27B has 9 published benchmark scores, including SWE-bench Verified 75%, Vending-Bench 2 201.98, and GPQA Diamond 85.5%. Each score links to where it was published; the data is collected by llmmetric.com.

Provider	Context	Input	Output
EmpirioLabs`empiriolabs/qwen3-5-27b`	256K	$0.09/M	$0.69/M
OpenRouter`openrouter/qwen/qwen3.5-27b`	262K	$0.20/M	$1.56/M
DeepInfra`deepinfra/Qwen/Qwen3.5-27B`	262K	$0.26/M	$2.60/M
NovitaSave 10%`novita/qwen/qwen3.5-27b`	262K	$0.27/M	$2.16/M
Featherless`featherless_ai/Qwen/Qwen3.5-27B`	33K	$0.30/M	$2.40/M

Qwen3.5 27B

Providers

Certified where it counts.

Pricing

Cost by volume

Throughput and latency

Output speed

Response latency

Benchmarks

Respan Indexv1.1

Coding2

Agents1

Apps

Qwen3.5 27B FAQ

Works with your entire stack

Built for AI agents.
Break less.
Ship more.

Reasoning1

Math1

Knowledge1

Arena3