Definable SDK vs Agno — AI Agent Framework Comparison
Agno (formerly Phidata) is a clean agent framework — but Definable SDK adds built-in RAG, MCP support, guardrails, messaging interfaces, and a marketplace to monetize your agents.
| Feature | Definable AI | Agno |
|---|---|---|
| Agent API | Class-based with middleware and lifecycle hooks | Simple function-based agents |
| Model Support | OpenAI, Anthropic, Google, DeepSeek, xAI, Moonshot | OpenAI, Anthropic, Google, Groq |
| RAG / Knowledge | Full pipeline — readers, chunkers, embedders, vector DBs, rerankers | Basic knowledge with PDFs and URLs |
| Memory | Multi-tier with auto-recall and distillation | Session memory with storage backends |
| MCP Support | Native MCP client (stdio + SSE transports) | Not built-in |
| Guardrails | Input, output, and tool-call guardrails | Not built-in |
| Team Agents | Multi-agent teams with shared context | Agent teams with delegation |
| Interfaces | Discord, Telegram, Signal built-in | Not built-in (playground UI available) |
| Deployment | One-click deploy + marketplace monetization | Self-deploy or Agno Cloud |
| Structured Output | Pydantic-based with validation | Pydantic-based |
Why developers choose Definable SDK over Agno
- Full RAG pipeline built-in — readers, chunkers, embedders, rerankers, and vector databases.
- Native MCP support for connecting to external tool servers.
- Guardrails at every checkpoint — input, output, and tool calls.
- Messaging interfaces (Discord, Telegram, Signal) included out of the box.
- Marketplace deployment — publish agents and earn from every use.
FAQ
What is the difference between Definable AI and Agno?
Agno (formerly Phidata) is a clean agent framework — but Definable SDK adds built-in RAG, MCP support, guardrails, messaging interfaces, and a marketplace to monetize your agents.
Is Definable AI better than Agno?
Why developers choose Definable SDK over Agno: Full RAG pipeline built-in — readers, chunkers, embedders, rerankers, and vector databases. Native MCP support for connecting to external tool servers. Guardrails at every checkpoint — input, output, and tool calls. Messaging interfaces (Discord, Telegram, Signal) included out of the box. Marketplace deployment — publish agents and earn from every use.
Can I switch from Agno to Definable AI?
Yes. Definable AI offers a free Starter plan with 5,000 credits so you can try it risk-free. Many of the features that require paid add-ons with Agno are included in Definable AI's base plans.