Qwen3.5-Flash API
The most affordable Qwen model. Excellent for high-volume, cost-sensitive applications with 1M context.
💰 Save up to 70% vs official Alibaba pricingTechnical Specifications
| Provider | Alibaba |
| Model Family | Qwen3.5-Flash |
| Release Date | 2026-05 |
| Context Window | 1M |
| Max Output Tokens | 65,536 |
| Input Price | $0.10 / 1M tokens |
| Output Price | $0.40 / 1M tokens |
| Vision Support | No |
| Function Calling | No |
| JSON Mode | No |
| Streaming | Yes ✓ |
| Fine Tuning | Not Available |
| Status | Active ✓ |
Overview
Qwen3.5-Flash is Alibaba's current qwen-class AI model, released in 2026-05. The most affordable Qwen model. Excellent for high-volume, cost-sensitive applications with 1M context.
With a 1M context window and maximum output of 65,536 tokens, Qwen3.5-Flash is well-suited for ultra-low cost and 1m context. At $0.10/1M input and $0.40/1M output, it offers extremely competitive pricing within the Alibaba ecosystem.
Qwen3.5-Flash supports 3 capabilities: Multilingual, Code, Streaming. Fine-tuning is not available for this model. The model serves as an ultra-low cost solution for developers building text-based AI applications.
Through AI API Hub, you can access Qwen3.5-Flash with USDT & USDC payments, no credit card required. All via a fully OpenAI-compatible API — just change your base URL and start building in 30 seconds.
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-flash",
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-flash",
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-flash",
"messages": [
{"role": "user", "content": "Hello"}
]
}'Compare Alternatives
Frequently Asked Questions
What is Qwen3.5-Flash?
Qwen3.5-Flash is Alibaba's current qwen model. The most affordable Qwen model. Excellent for high-volume, cost-sensitive applications with 1M context.. It features a 1M context window, supports Multilingual, Code, Streaming, and is available through AI API Hub with USDT/USDC payments.
How much does Qwen3.5-Flash cost?
Qwen3.5-Flash pricing: $0.10 per 1M input tokens, $0.40 per 1M output tokens. Pay-as-you-go with no minimum commitment. Sign up at AI API Hub and start with as little as $5.
Qwen3.5-Flash vs GPT-5.5?
Qwen3.5-Flash: $0.10/$1M input, 1M context. GPT-5.5: $5.00/$1M input, 256K context. Qwen3.5-Flash is more cost-effective. Ultra-low cost. Compare them at /compare/qwen3.5-flash-vs-gpt-5.5/.
Qwen3.5-Flash context window?
Qwen3.5-Flash 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-Flash support function calling?
No, Qwen3.5-Flash does not natively support function calling. For function calling use cases, consider Alibaba's flagship models.
Is Qwen3.5-Flash multimodal?
No, Qwen3.5-Flash is a text-only model. For multimodal use cases, consider models with vision/audio capabilities.
Qwen3.5-Flash API rate limits?
Qwen3.5-Flash rate limits: 10K RPM. Higher tier plans offer increased throughput. For high-volume production use, consider Alibaba's faster variant models.
How to access Qwen3.5-Flash API?
Access Qwen3.5-Flash 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-flash". Start building in under 30 seconds.