AutoGen (AG2)

pip install -U autogen

import os

config_list = [
    {
        "model": "deepseek-v4.1-flash",
        "base_url": "https://api.neosantara.xyz/v1",
        "api_key": os.environ["NEOSANTARA_API_KEY"],
        "api_type": "openai"
    }
]

import os
from autogen import AssistantAgent, UserProxyAgent

config_list = [
    {
        "model": "deepseek-v4.1-flash",
        "base_url": "https://api.neosantara.xyz/v1",
        "api_key": os.environ["NEOSANTARA_API_KEY"],
        "api_type": "openai"
    }
]

assistant = AssistantAgent(
    name="Architect",
    llm_config={"config_list": config_list},
    system_message="You are a senior backend architect. Propose a concise distributed database architecture and conclude your reply with 'TERMINATE' once the design is complete."
)

user_proxy = UserProxyAgent(
    name="Engineer",
    human_input_mode="NEVER",
    max_consecutive_auto_reply=2,
    is_termination_msg=lambda msg: "TERMINATE" in msg.get("content", "")
)

user_proxy.initiate_chat(
    assistant,
    message="What is the recommended Postgres sharding strategy for an analytics table tracking hundreds of millions of events?"
)