Qwen3.5-9B
Qwen Qwen3.5-9B — pricing, 262k context window, API cost calculator and alternatives.
By Qwen
Specs
- Provider
- Qwen
- Slug
- qwen/qwen3-5-9b
- Capabilities
- vision, tools, json_mode
Pricing freshness
- Tier
- standard
- Currency
- USD
- As of
- 2026-05-08 17:08 UTC
Pricing history
Tracking Qwen3.5-9B pricing since 2026-05-08. We'll plot the chart here once it changes.
Quickstart — call Qwen3.5-9B from your app
curl https://openrouter.ai/api/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $OPENROUTER_API_KEY" \
-d '{
"model": "qwen/qwen3-5-9b",
"messages": [{"role": "user", "content": "Hello!"}]
}'Official docs: https://openrouter.ai/docs
# pip install openai
from openai import OpenAI
client = OpenAI(
base_url="https://openrouter.ai/api/v1",
api_key=os.environ["OPENROUTER_API_KEY"],
)
resp = client.chat.completions.create(
model="qwen/qwen3-5-9b",
messages=[{"role": "user", "content": "Hello!"}],
)
print(resp.choices[0].message.content)Official docs: https://openrouter.ai/docs
// npm install openai
import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://openrouter.ai/api/v1",
apiKey: process.env.OPENROUTER_API_KEY,
});
const resp = await client.chat.completions.create({
model: "qwen/qwen3-5-9b",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(resp.choices[0].message.content);Official docs: https://openrouter.ai/docs
Related models
Similar capabilities, context window, and price tier — drawn from across the catalog so you can compare alternatives in one click.
Frequently asked questions
What is Qwen3.5-9B?
Qwen3.5-9B is a large language model API from Qwen with a 262k-token context window. It costs $0.04 per 1M input tokens and $0.15 per 1M output tokens.
How much does Qwen3.5-9B cost?
Qwen3.5-9B is priced at $0.04 per 1M input tokens and $0.15 per 1M output tokens via the Qwen API. A 50/50 input/output workload of 1M total tokens costs about $0.095.
What is the context window of Qwen3.5-9B?
Qwen3.5-9B supports up to 262k tokens of context per request — roughly 524 pages of English text or 32768 lines of code at a typical density.
Does Qwen3.5-9B support vision, tool use, or JSON mode?
Qwen3.5-9B supports vision, tool/function calling, and structured JSON mode.
Who makes Qwen3.5-9B?
Qwen3.5-9B is built and operated by Qwen. Pricing, context window, and capabilities on this page are refreshed nightly from Qwen's public catalog.
Can I self-host Qwen3.5-9B?
Qwen3.5-9B is API-only — its weights are not publicly distributed by Qwen, so it cannot be self-hosted today.