Qwen model

Qwen3.5 Plus API

qwen/qwen3.5-plus is a Qwen catalog entry on the NextModel gateway. Input price is $0.12 per 1M tokens. Output price is $0.69 per 1M tokens.

Read quickstart Estimate cost

QwenPlatform curatedCatalog

Streaming

Input priceStarting at $0.12 / 1M tokens

Output price$0.69 / 1M tokens

Context length— tokens

Max output8.2k tokens

Input length	Input / 1M	Output / 1M	Cache hit / 1M
— - 128k	$0.12	$0.69	$0.02
128k - 256k	$0.29	$1.72	$0.03
256k - 1M	$0.58	$3.44	$0.06

What is Qwen3.5 Plus API in NextModel?

qwen/qwen3.5-plus is a Qwen catalog entry on the NextModel gateway. Input price is $0.12 per 1M tokens. Output price is $0.69 per 1M tokens.

Best use cases

Call it if your workload matches the catalog's "quality" label, you need streaming, and you are willing to proceed without a published context window or CacheSafety score.
You need the listed capabilities on this catalog entry.
The listed price fits the workload better than the siblings in the same family.

When not to use

Do not call it if your selection process requires a known context window.
Do not call it if you require first-party CacheSafety data.
Do not call it if you need the cheaper input and output prices of qwen/qwen3.5-flash-glb.

OpenAI-compatible code example

Keep the OpenAI SDK style, set base_url to NextModel, and use the catalog model ID qwen--qwen3.5-plus.

Python

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_API_KEY",
    base_url="https://api.nextmodel.app/v1"
)

resp = client.chat.completions.create(
    model="qwen/qwen3.5-plus",
    messages=[{"role": "user", "content": "Hello from NextModel"}]
)

print(resp.choices[0].message.content)