Agent Framework

Agno

Open-source framework and runtime for building multi-agent systems

Agno (formerly Phidata) makes it simple to build AI agents with memory, knowledge, and tools in Python. It focuses on production readiness with built-in support for RAG, structured outputs, and multi-agent teams.

4.4
Editor rating
Free (open-source)
Pricing
Agent Framework
Category

Editor rating is our overall editorial judgment of the tool, out of 5. It is not a test score and not a user-review average. Ratings have not been re-scored since the tool was listed here. The reasons are in Best for and Pros & cons below.

Beginner verdict, For developers

Requires some technical comfort with API keys, command line, or coding. If you're new to AI, start with a chat-based tool first.

Best for

Production AI agentsRAG applicationsStructured outputsQuick agent prototyping

Pros & cons

✓ Pros

✓Clean Pythonic API
✓Built-in memory and knowledge
✓Structured output support
✓Easy to get started

✗ What this won't do

✗Smaller community than LangChain
✗Fewer integrations
✗Python only -- no JavaScript SDK

Use cases

Building RAG-powered assistants

Agents with persistent memory

Structured data extraction

Financial analysis agents

1

Know the new name

Phidata is now called Agno, and its docs and package use the new name. These steps follow the current Agno quickstart.

2

Install Agno

Run uv add "agno[os,sqlite]" openai, then set your OPENAI_API_KEY. The uv tool installs Python packages quickly.

3

Run the personal agent

The quickstart builds Pip, an agent that keeps track of your projects, tasks and notes. Run uv run personal_agent.py, and it starts on localhost:7777.

4

Chat with it in AgentOS

Sign in at os.agno.com, click Connect Existing OS, choose Local and enter localhost:7777. Name it Local AgentOS, connect, and click Chat under Pip.

Compare alternatives

ToolCategoryEditor ratingPricing
Agno (current)Agent Framework4.4Free (open-source)
LangChainAgent Framework4.6Free (open-source) / LangSmith from $39 mo
CrewAIAgent Framework4.5Free (open-source) / Enterprise pricing
AutoGenAgent Framework4.4Free (open-source)

Comparisons