Comparison Preset
Neither framework can be recommended without significant security remediation, as both report critical known vulnerabilities. If this primary risk is mitigated, Agno presents a more compelling case due to its maturity and production-oriented features. It is a much older project with a vastly higher commit frequency, offers a clear state management strategy with full data ownership, and includes a control plane for observability. In contrast, SmolAgents' low commit frequency and undefined state management present long-term support and operational risks. The security posture of both projects, however, remains a primary blocker that must be addressed before any enterprise adoption.
Overview
The bottom line — what this framework is, who it's for, and when to walk away.
Bottom Line Up Front
Agno provides a production-grade runtime for building, deploying, and managing agentic software, from single agents to coordinated teams and workflows. It features a scalable, stateless FastAPI backend, robust state management in your database, and a control plane for monitoring and governance. It emphasizes user ownership of data and infrastructure.
SmolAgents is a Python library simplifying LLM agent development, specifically emphasizing "Code Agents" that generate and execute their own code. It boasts broad model, tool, and modality agnosticism, with built-in sandboxing capabilities for secure code execution. The framework's design prioritizes minimal abstractions, offering direct control over agent logic.
Best For
Building, deploying, and managing scalable, production-ready agentic software, teams, and workflows.
Quickly building flexible, model-agnostic LLM agents, especially those leveraging code execution for complex tasks.
Avoid If
no data
Strict policies prohibit agents from executing self-generated code, even in sandboxed environments.
Strengths
- +Runtime specifically designed for agentic software, teams, and workflows.
- +Includes memory, knowledge, guardrails, and over 100 integrations for agent development.
- +Provides a stateless, horizontally scalable FastAPI backend for production deployment.
- +Offers a control plane (AgentOS UI) for testing, monitoring, and managing systems in production.
- +Supports per-user and per-session isolation with runtime approval enforcement.
- +Features native tracing and full auditability.
- +Stores sessions, memory, knowledge, and traces in the user's database, ensuring data ownership.
- +Runs in the user's infrastructure, not Agno's.
- +Designed for extreme ease of use, enabling agent creation with just a few lines of Python code.
- +Offers first-class support for Code Agents, which write actions in code for natural composability with loops, conditionals, and function nesting.
- +Supports secure code execution for Code Agents in sandboxed environments using Modal, Blaxel, E2B, or Docker.
- +Model-agnostic, allowing integration with any large language model via Hugging Face Inference API, LiteLLM (OpenAI, Anthropic), or local Transformers/Ollama.
- +Tool-agnostic, facilitating the use of tools from MCP servers, LangChain, or Hugging Face Spaces.
- +Modality-agnostic, capable of handling vision, video, and audio inputs for diverse applications.
- +Provides seamless integrations with Hugging Face Hub for sharing and loading agents and tools as Gradio Spaces.
- +Includes command-line utilities (smolagent, webagent) for rapid agent execution without boilerplate code.
Weaknesses
- −Its philosophy of minimal abstractions, while offering control, may lead to increased boilerplate or manual orchestration for highly complex agent workflows.
- −Secure code execution, a core feature for Code Agents, necessitates integration with external sandboxing platforms, adding setup and operational dependencies.
Project Health
Is this project alive, well-maintained, and safe to bet on long-term?
Bus Factor Score
Maintainers
Open Issues
Fit
Does it support the workflows, patterns, and capabilities your team actually needs?
State Management
State is managed externally in the user's database for sessions, memory, knowledge, and traces, with a stateless, session-scoped FastAPI backend.
no data
Cost & Licensing
What does it actually cost? License type, pricing model, and hidden fees.
License
Perspective
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