Step 3.5 Flash is a efficient model from Featherless with a 262K context window. Available through ANT's unified API.
Limited routing data available for Step 3.5 Flash. 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/stepfun-ai/Step-3.5-Flash",
messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)