4b Sft Qwen4b Step399 is a efficient model from Featherless with a 33K context window. Available through ANT's unified API.
Limited routing data available for 4b Sft Qwen4b Step399. 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/sngwon/4b-sft-qwen4b-step399",
messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)