Using Qwen3.5-9B on Featherless

Implementation guide · Qwen3.5 · Alibaba

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Featherless exposes Qwen3.5-9B through model ID Qwen/Qwen3.5-9B. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.

Last refreshed 2026-09-24. Next refresh: weekly.

Quick Start

1
Create an account at Featherless and generate an API key.
2
Use the Featherless SDK or REST API to call Qwen/Qwen3.5-9B — see the documentation for request format.
3
You'll be billed $0.17/1M input, $0.25/1M output tokens. See full pricing.

API Portal Documentation Pricing Model Card

Code Examples

Install

pip install openai

API key

FEATHERLESS_API_KEY

Model ID

Qwen/Qwen3.5-9B

Use exact Featherless catalog id in modelProvider.providerModelId (HF-style org/name). Not interchangeable with LLM Reference slugs.

import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.featherless.ai/v1",
    api_key=os.environ["FEATHERLESS_API_KEY"],
)
response = client.chat.completions.create(
    model="Qwen/Qwen3.5-9B",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)

Pricing on Featherless

Type	Price (per 1M)
Input tokens	$0.17
Output tokens	$0.25

Capabilities

VisionMultimodalJSON / Tool useStructured Outputs

About Qwen3.5-9B

Qwen3.5-9B is Alibaba's Qwen3.5 model with multimodal text and image input. It offers a 256K-token context window with weights openly available for self-hosting.

Full model details →

Model Specs

Released2026-03-02

Parameters9B

Context262k

ArchitectureDecoder Only