Qwen 3 4b Thinking R1 St is a efficient model from Featherless with a 33K context window, supporting advanced reasoning. Available through ANT's unified API.
Limited routing data available for Qwen 3 4b Thinking R1 St. 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/LlameUser/qwen-3-4b-thinking-r1-st",
messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)