When was Qwen3.5 27B released?

Alibaba released Qwen3.5 27B on 24 Feb 2026. It is available through the Opper gateway.

Does Qwen3.5 27B support zero data retention?

Yes. Qwen3.5 27B is available with zero data retention on DeepInfra, Novita through the Opper gateway.

Where is Qwen3.5 27B hosted?

Qwen3.5 27B runs on US hosting routes through the Opper gateway.

Is Qwen3.5 27B trained on prompts and outputs?

No. Every hosting route for Qwen3.5 27B is configured so customer prompts and outputs are not used to train models by default.

Is a GDPR DPA available for Qwen3.5 27B?

Yes. A GDPR Data Processing Agreement is available on at least one route serving Qwen3.5 27B. Contact hello@opper.ai to receive it.

Qwen3.5 27B

by Alibaba

All Alibaba releases

Qwen3.5-27B is a 27 billion parameter multimodal model that blends vision and language through early fusion training on multimodal tokens, built on a hybrid architecture of Gated DeltaNet and Mixture-of-Experts layers. It supports a 262,144 token native context window, extensible toward roughly one million tokens with YaRN scaling. Reported scores include MMLU-Pro 86.1, GPQA Diamond 85.5, SWE-bench Verified 72.4, and MathVista 86.0, reflecting balanced strength across reasoning, coding, and visual understanding. It runs in thinking mode by default, generating reasoning before responses. The model handles text, image, and video inputs across more than 200 languages, suiting knowledge-intensive problems, agentic coding, and multimodal reasoning.

Call Qwen3.5 27B on Opper with the OpenAI SDK. Sign up without a credit card. Get started

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Key info

Input

Output

Features

Context window

262K

Max output

262K

Input price

$0.26 /1M

Output price

$2.60 /1M

Released

24 Feb 2026

Web search

Via Opper

US residency available
Zero data retention on pay-as-you-go
No training by default
GDPR DPA available

Available routes

Qwen3.5 27B runs on 2 different routes through the Opper gateway. Compare residency, zero data retention and training posture at a glance, with full data-handling detail per route below. One route also sells flex and priority processing: the same model at another price, picked per request with service_tier. How service tiers work.

Provider	Region	Zero data retention	Training	Input	Output	Cache read
DeepInfra	US		No	$0.26	$2.60	Input price
Novita	US		No	$0.30	$2.40	Input price	Not offered on this route	Not offered on this route

Live routes and prices as JSON: api.opper.ai/v3/models?q=qwen3.5-27b

Uptime and availability

Qwen3.5 27B runs on 2 independently monitored routes through the Opper gateway. A direct integration leaves you on one of them, the gateway serves whichever is healthy.

100%effective uptime, last 30 days

Averaged across these routes on their own, a single provider reached 99.93% over the same window.

Daily status through the gateway, which serves each request from whichever route is healthy.

2 monitored providers serve Qwen3.5 27B.

Measured over the last 30 days from each provider's official status feed via StatusGator. Refreshed hourly. See uptime for every provider Opper monitors.

Data handling per route

Each route hosting Qwen3.5 27B has its own privacy posture, residency, and GDPR terms. Postures are maintained by Opper with a last-verification timestamp.

DeepInfra — United States🇺🇸

Zero data retention: nothing is logged, held for abuse monitoring or used for training. No training on customer data. US; SCCs; DPA available.

Zero data retention: Yes. Nothing is logged, held for abuse monitoring or used for training.
Training: No training on customer data.
Logging: None
Abuse monitoring: No classifier
GDPR DPA: DPA available
Transfer mechanism: SCCs

Novita — United States🇺🇸

Zero data retention: nothing is logged, held for abuse monitoring or used for training. No training on customer data. US; SCCs; DPA available.

Zero data retention: Yes. Nothing is logged, held for abuse monitoring or used for training.
Training: No training on customer data.
Logging: None
Abuse monitoring: On by default, keeps nothing
GDPR DPA: DPA available
Transfer mechanism: SCCs

Best for

Where Qwen3.5 27B ranks among the models on Opper with a score for each use case.

Multilingual#14 of 3586.8

Tasks across languagesSee the Multilingual ranking →

Benchmarks

Independent benchmark scores: the Intelligence Index and the individual evaluations behind it, grouped by skill.

Global rank#123 of 505 LLMs

TierEfficient

Output speed77 tok/s

Intelligence Index (previous version)22.9

Agentic & knowledge work

Terminal-Bench Hard

33%

τ²-Bench Telecom

94%

Science & reasoning

Humanity's Last Exam

24%

GPQA Diamond

86%

Long-context reasoning

78%

Knowledge

MMMU-Pro

75%

Math & instruction following

IFBench

76%

See full leaderboard →Benchmarks via Artificial Analysis · View on AA

Get started

Call Qwen3.5 27B through the Opper gateway with one API key. Opper is drop-in compatible with the OpenAI, Anthropic and Google AI SDKs.

Qwen3.5 27B is a premium model on Opper. Sign up needs no credit card: you get an API key straight away and the free models work in the playground and the API. Add a card to use premium models, pay-as-you-go with no minimum.

Set it up with your agent

Copy this and paste it into a coding agent like Claude Code, Cursor or Codex and it'll wire up Opper for you.

Or call it directly

1import OpenAI from "openai";
2
3const client = new OpenAI({
4  apiKey: process.env.OPPER_API_KEY,
5  baseURL: "https://api.opper.ai/v3/compat",
6});
7
8const completion = await client.chat.completions.create({
9  model: "qwen3.5-27b",
10  messages: [{ role: "user", content: "Hello" }],
11});
12console.log(completion.choices[0].message.content);