Pydantic DeepAgents vs CrewAI

from pydantic_deep import (
    create_deep_agent, create_default_deps
)
from pydantic_deep.types import SubAgentConfig

agent = create_deep_agent(
    model="openai:gpt-4.1",
    instructions="Research and write articles.",
    include_subagents=True,
    include_todo=True,
    subagents=[
        SubAgentConfig(name="researcher",
            description="Deep-dives into topics",
            instructions="You research thoroughly."),
        SubAgentConfig(name="writer",
            description="Writes articles",
            instructions="You write clearly."),
    ],
)

deps = create_default_deps()
result = await agent.run(
    "Research AI trends and write an article",
    deps=deps,
)

from crewai import Agent, Task, Crew, Process

researcher = Agent(
    role="Senior Researcher",
    goal="Find cutting-edge AI trends",
    backstory="You are an expert researcher...",
)
writer = Agent(
    role="Tech Writer",
    goal="Write engaging articles",
    backstory="You are a skilled writer...",
)

research = Task(
    description="Research AI trends 2026",
    expected_output="List of trends",
    agent=researcher,
)
article = Task(
    description="Write article from research",
    expected_output="Blog post in markdown",
    agent=writer,
)

crew = Crew(
    agents=[researcher, writer],
    tasks=[research, article],
    process=Process.sequential,
)
result = crew.kickoff()