Qwen3 4B Science is a efficient model from Featherless with a 33K context window. Available through ANT's unified API.
Limited routing data available for Qwen3 4B Science. Intelligence insights will appear as more requests are routed through ANT.
from openai import OpenAI
client = OpenAI(
base_url="https://api.antbase.ai/v1",
api_key="YOUR_ANT_API_KEY",
)
response = client.chat.completions.create(
model="featherless/joyfine/Qwen3-4B-Science",
messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)