What is Qwen3.5 Plus 2026-04-20 and what is it good for?

Qwen3.5 Plus 2026-04-20 is a Qwen vision-language model. It handles both text and visual inputs for tasks like document parsing, visual Q&A and OCR.

What is the context window of Qwen3.5 Plus 2026-04-20?

The model supports up to 1M tokens of context, which suits long documents and multi-turn conversations.

How much does Qwen3.5 Plus 2026-04-20 cost?

Pricing is usage-based: $0.3 per million input tokens and $1.8 per million output tokens. There is no fixed monthly fee. You pay only for what you use.

How do I access Qwen3.5 Plus 2026-04-20 from inside Iran?

Create an account on Hormouz and generate an API key. Hormouz provides a stable path to the model from inside Iran, with no foreign credit card required.

Is Qwen3.5 Plus 2026-04-20 compatible with OpenAI code?

Yes. Hormouz exposes an OpenAI-compatible API. Just change the base URL to Hormouz and swap in your Hormouz key. Your existing SDKs and code run without a rewrite.

Does Qwen3.5 Plus 2026-04-20 support a thinking / reasoning mode?

Yes. It produces explicit step-by-step reasoning before its final answer, which helps on math, coding and multi-step logic tasks.

Qwen: Qwen3.5 Plus 2026-04-20: AI model

Qwen3.5 Plus 2026-04-20 is a Qwen multimodal vision-language model with a built-in thinking mode for deep reasoning, with a 1M-token context window. Reachable from inside Iran through Hormouz.

Context window:: 1,000,000 tokens
Input:: $0.3/1M tokens
Output:: $1.8/1M tokens
Type:: text, image, video

Vision
Tools
Streaming
Long context

Thinking levels:

Qwen3.5 Plus 2026-04-20 is a vision-language model from Alibaba's Qwen series, with a context window of up to 1M tokens; it is strong at understanding text, images and video, tool calling. It has a built-in thinking mode that produces explicit step-by-step reasoning before the final answer.

Through Hormouz the model is served behind an OpenAI-compatible API. Point your base URL at Hormouz, drop in a Hormouz key, and existing OpenAI SDK code runs unchanged. Pricing is usage-based: $0.3 per million input tokens and $1.8 per million output tokens.

Hormouz provides stable access to the model from inside Iran, with no foreign credit card or circumvention tooling required.

Qwen3.5 Plus (April 2026) is a large-scale multimodal language model from Alibaba. It accepts text, image, and video input and produces text output, with a 1M token context window. This...

Quickstart

curl https://api.hormouz.net/v1/chat/completions \
  -H "Authorization: Bearer ng-YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "qwen/qwen3.5-plus-20260420",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Specs

Vendor	Qwen
Type	Text, Image, Video
Context window	1,000,000 tokens
Pricing	$0.30/M in · $1.80/M out
API	Chat Completions
Capabilities	Streaming · Vision · Tools

Code example

cURL

curl https://api.hormouz.net/v1/chat/completions \
  -H "Authorization: Bearer ng-YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "qwen/qwen3.5-plus-20260420",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Python

from openai import OpenAI
client = OpenAI(api_key="ng-YOUR_API_KEY", base_url="https://api.hormouz.net/v1")
response = client.chat.completions.create(
    model="qwen/qwen3.5-plus-20260420",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)

JavaScript

import OpenAI from "openai";
const client = new OpenAI({ apiKey: "ng-YOUR_API_KEY", baseURL: "https://api.hormouz.net/v1" });
const response = await client.chat.completions.create({
  model: "qwen/qwen3.5-plus-20260420",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);

Buy the Qwen: Qwen3.5 Plus 2026-04-20 API, paid in rial

Buy credit with an Iranian bank card; no foreign card or account needed.
One Hormouz key reaches Qwen: Qwen3.5 Plus 2026-04-20 and 600+ other models, and you pay only for what you use.
No VPN and no risk of a banned account; just change the base URL to api.hormouz.net/v1.

Create an account

Use via Hormouz

Connect to this model and 600+ others with one API key, then see usage down to each request.

Request company access

FAQ

What is Qwen3.5 Plus 2026-04-20 and what is it good for?: Qwen3.5 Plus 2026-04-20 is a Qwen vision-language model. It handles both text and visual inputs for tasks like document parsing, visual Q&A and OCR.
What is the context window of Qwen3.5 Plus 2026-04-20?: The model supports up to 1M tokens of context, which suits long documents and multi-turn conversations.
How much does Qwen3.5 Plus 2026-04-20 cost?: Pricing is usage-based: $0.3 per million input tokens and $1.8 per million output tokens. There is no fixed monthly fee. You pay only for what you use.
How do I access Qwen3.5 Plus 2026-04-20 from inside Iran?: Create an account on Hormouz and generate an API key. Hormouz provides a stable path to the model from inside Iran, with no foreign credit card required.
Is Qwen3.5 Plus 2026-04-20 compatible with OpenAI code?: Yes. Hormouz exposes an OpenAI-compatible API. Just change the base URL to Hormouz and swap in your Hormouz key. Your existing SDKs and code run without a rewrite.
Does Qwen3.5 Plus 2026-04-20 support a thinking / reasoning mode?: Yes. It produces explicit step-by-step reasoning before its final answer, which helps on math, coding and multi-step logic tasks.

Updated 2026-10-13