Qwen3.5-Plus API
Versatile model with 1M context. The best value in the Qwen lineup for most use cases.
💰 Save up to 70% vs official Alibaba pricingQwen3.5-Plus — cheaper than the official Alibaba API
Access Qwen3.5-Plus through AI API Hub and pay less per token. Same OpenAI-compatible endpoint, lower cost.
Technical Specifications
| Provider | Alibaba |
| Model Family | Qwen3.5-Plus |
| Release Date | 2026-05 |
| Context Window | 1M |
| Max Output Tokens | 65,536 |
| Input Price | $0.40 / 1M tokens |
| Output Price | $2.40 / 1M tokens |
| Vision Support | Yes ✓ |
| Function Calling | No |
| JSON Mode | No |
| Streaming | Yes ✓ |
| Fine Tuning | Not Available |
| Status | Active ✓ |
Overview
Qwen3.5-Plus is Alibaba's current qwen model, released in 2026-05. Versatile model with 1M context. The best value in the Qwen lineup for most use cases.
For developers, the headline numbers are a 1M context window and up to 65,536 output tokens per response — enough headroom for 1m context and best value without chunking your input. Priced at $0.40/1M input and $2.40/1M output, it sits in the budget tier — ideal for high-volume pipelines where token cost dominates.
On the capability side, Qwen3.5-Plus exposes 4 features: Multilingual, Code, Vision, Streaming. Note that fine-tuning isn't supported — you'll work with the base model. Vision support means you can pass images alongside text, handy for document parsing or UI automation.
The practical appeal of routing Qwen3.5-Plus through AI API Hub is simplicity: one OpenAI-compatible endpoint, USDT & USDC payments, no credit card, and you're calling the API in under 30 seconds — just swap your base URL.
What Makes Qwen3.5-Plus Different
How Qwen3.5-Plus is used
Qwen3.5-Plus is used for developer workflows that combine code with visual input — screenshot-to-code, UI debugging, autonomous coding agents that read screen output, and documentation parsing. It processes images and text in a single context window. Route pure text-only coding to a cheaper sibling if vision isn't needed.
Pricing position within Alibaba
Qwen3.5-Plus sits in the middle of Alibaba's pricing at $0.40/1M input — 12% below the lineup average ($0.07 cheapest, $1.20 most expensive). 3 siblings cost less, 2 cost more. This mid-tier positioning makes it a sensible default when you're unsure which variant to pick.
Qwen3.5-Plus's role in the lineup
Within Alibaba's lineup, Qwen3.5-Plus is a mid-tier option — balanced between cost and capability. The qwen family has 6 active variants, and Qwen3.5-Plus occupies the lower end. This makes it a safe default for production workloads where you're not sure which tier to pick.
Real-world use cases
Real-world deployments: screenshot-to-code tools, UI test automation that reads rendered pages, coding agents that debug from visual output, and documentation extraction from images. Qwen3.5-Plus bridges the gap between visual input and code output in one call.
vs sibling models
What makes Qwen3.5-Plus different from sibling models: compared to Qwen3-Max ($0.80/1M more expensive, 252K vs 1M context (smaller)); Qwen3.5-Flash ($0.30/1M cheaper, same 1M context); Qwen3-Coder-Plus ($0.25/1M more expensive, same 1M context). Choose Qwen3.5-Plus when vision input is needed.
API Examples
Python
from openai import OpenAI
client = OpenAI(
api_key="YOUR_API_KEY",
base_url="https://api.apiyihe.org/v1"
)
response = client.chat.completions.create(
model="qwen3.5-plus",
messages=[
{"role": "user", "content": "Hello"}
]
)
print(response.choices[0].message.content)JavaScript / Node.js
import OpenAI from "openai";
const client = new OpenAI({
apiKey: process.env.API_KEY,
baseURL: "https://api.apiyihe.org/v1"
});
const response = await client.chat.completions.create({
model: "qwen3.5-plus",
messages: [
{ role: "user", content: "Hello" }
]
});
console.log(response.choices[0].message.content);cURL
curl https://api.apiyihe.org/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_API_KEY" \
-d '{
"model": "qwen3.5-plus",
"messages": [
{"role": "user", "content": "Hello"}
]
}'Supported Features
| Vision / Image Input | ✅ Supported |
| Audio / Voice Input | ❌ Not Available |
| Function Calling | ❌ Not Available |
| JSON Mode | ❌ Not Available |
| Streaming | ✅ Supported |
| Fine-Tuning | ❌ Not Available |
| Multimodal | ❌ Not Available |
Benchmark Scores
| Benchmark | Score |
|---|---|
| MMLU | Not Publicly Available |
| GPQA | Not Publicly Available |
| SWE-Bench | Not Publicly Available |
| HumanEval | Not Publicly Available |
| GSM8K | Not Publicly Available |
| MATH | Not Publicly Available |
| MMMU | Not Publicly Available |
Pricing History
Qwen3.5-Plus was released in 2026-05 by Alibaba and is currently publicly available via AI API Hub.
Current Pricing: $0.40 per 1M input tokens · $2.40 per 1M output tokens. Pay-as-you-go with no minimum commitment.
Pricing Model: Token-based billing (pay per use). No subscription fees. No hidden costs.
💡 Alibaba occasionally updates pricing. AI API Hub reflects current pricing in real-time. All prices in USD. Pay with USDT or USDC — no currency conversion fees.
Compare Alternatives
Frequently Asked Questions
What is Qwen3.5-Plus?
Qwen3.5-Plus is Alibaba's current qwen model. Versatile model with 1M context. The best value in the Qwen lineup for most use cases. It offers a 1M context window and supports Multilingual, Code, Vision. You can access it through AI API Hub using USDT or USDC — no credit card required.
How much does Qwen3.5-Plus cost?
Qwen3.5-Plus is priced at $0.40 per 1M input tokens and $2.40 per 1M output tokens, billed pay-as-you-go with no minimum. Through AI API Hub you can start with as little as $5 and scale from there.
Qwen3.5-Plus vs GPT-5.5?
They're built for different jobs. Qwen3.5-Plus costs $0.40/1M input with a 1M window; GPT-5.5 runs $5.00/1M input with 256K. Qwen3.5-Plus is the more cost-effective pick and still brings 1m context. See the full side-by-side at /compare/qwen3.5-plus-vs-gpt-5.5/.
Qwen3.5-Plus context window?
Qwen3.5-Plus has a 1M context window, capable of processing up to 1,048,576 tokens in a single request. Maximum output tokens: 65,536.
Does Qwen3.5-Plus support function calling?
No, Qwen3.5-Plus does not natively support function calling. For function calling use cases, consider Alibaba's flagship models.
Is Qwen3.5-Plus multimodal?
Partially — Qwen3.5-Plus supports vision (image input) but not native audio processing.
Qwen3.5-Plus API rate limits?
Qwen3.5-Plus rate limits: 5K RPM. Higher tier plans offer increased throughput. For high-volume production use, consider Alibaba's faster variant models.
How to access Qwen3.5-Plus API?
Access Qwen3.5-Plus through AI API Hub: (1) Register at api.apiyihe.org/register?aff=8JZC, (2) Deposit USDT/USDC, (3) Get your API key instantly, (4) Use the OpenAI-compatible endpoint https://api.apiyihe.org/v1 with model name "qwen3.5-plus". Start building in under 30 seconds.