Best free Agno alternatives

Looking for a free alternative to Agno? Here are 9 agent frameworks (developers) worth trying — 9 with a free tier. Agno itself is free.

ToolAgno (you searched)LangGraphOpenAI Agents SDKMicrosoft AutoGen
Pricingfreefreefreefree
Best forOpen-source (Apache-2.0) Python framework, 41.7k GitHub starsBuild stateful, multi-agent apps as graphsLightweight agent orchestration from OpenAIMulti-agent conversation framework
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Agno alternatives — straight answers

What is the best free alternative to Agno?

LangGraph is the closest free alternative to Agno: same Agent Frameworks (Developers) sub-category, and it is free. Build stateful, multi-agent apps as graphs

Are there free Agno alternatives?

Yes — 9 of the 9 alternatives listed here are free or freemium: LangGraph, OpenAI Agents SDK, Microsoft AutoGen, Google Agent Development Kit (ADK), Pydantic AI. None of them are paid-only.

Is Agno free?

Agno is free. There is no paid plan attached to it in the catalog.

How were these Agno alternatives chosen?

They are the other tools in Agent Frameworks (Developers), then the rest of AI Agents & Automation, ordered free tiers first and capped at 9. There is no sponsorship and no paid placement in that ordering — only the pricing tier decides.

LangGraph

Agent Frameworks (Developers)
free

✦ WhyA Agno alternative — Build stateful, multi-agent apps as graphs.

  • Build stateful, multi-agent apps as graphs
  • Human-in-the-loop and durable execution
  • Works with any LLM
  • Open-source with a hosted platform

OpenAI Agents SDK

Agent Frameworks (Developers)
free

✦ WhyA Agno alternative — Lightweight agent orchestration from OpenAI.

  • Lightweight agent orchestration from OpenAI
  • Agent handoffs, guardrails and tracing
  • Tool and function calling built in
  • Open-source, pay only for model usage

Microsoft AutoGen

Agent Frameworks (Developers)
free

✦ WhyA Agno alternative — Multi-agent conversation framework.

  • Multi-agent conversation framework
  • Event-driven, async agent design
  • Studio UI for prototyping
  • Fully open-source

Google Agent Development Kit (ADK)

Agent Frameworks (Developers)
free

✦ WhyA Agno alternative — Open-source Python/Java framework from Google for building multi-agent systems.

  • Open-source Python/Java framework from Google for building multi-agent systems
  • Native integration with Vertex AI Agent Engine and Gemini models
  • Model-agnostic — works with non-Google LLMs via LiteLLM

Pydantic AI

Agent Frameworks (Developers)
free

✦ WhyA Agno alternative — Type-safe Python agent framework from the Pydantic team, validated structured outputs.

  • Type-safe Python agent framework from the Pydantic team, validated structured outputs
  • Model-agnostic (OpenAI, Anthropic, Gemini, Groq, Mistral, local)
  • Built-in dependency injection and streaming; pairs with Pydantic Logfire for observability

Mastra

Agent Frameworks (Developers)
free

✦ WhyA Agno alternative — Open-source TypeScript framework (Apache 2.0) for agents, workflows and RAG.

  • Open-source TypeScript framework (Apache 2.0) for agents, workflows and RAG
  • Drops directly into existing React/Next.js apps or runs standalone
  • Built-in workflow engine with suspend/resume and human-in-the-loop steps

smolagents

Agent Frameworks (Developers)
free

✦ WhyA Agno alternative — Extremely minimal open-source library (~1,000 lines) from Hugging Face.

  • Extremely minimal open-source library (~1,000 lines) from Hugging Face
  • CodeAgent paradigm: agents write actions as executable code, not JSON
  • Model-agnostic and modality-agnostic (text, vision, audio) with sandboxed execution via E2B/Docker/Modal

AWS Strands Agents

Agent Frameworks (Developers)
free

✦ WhyA Agno alternative — Open-source (6,800+ stars) Python and TypeScript SDK from AWS.

  • Open-source (6,800+ stars) Python and TypeScript SDK from AWS
  • Steering handlers/hooks that catch agent mistakes before execution
  • Native Bedrock and AWS AgentCore integration, plus any-LLM support

DSPy

Agent Frameworks (Developers)
free

✦ WhyA Agno alternative — Open-source (MIT) framework from Stanford NLP, 37k+ GitHub stars.

  • Open-source (MIT) framework from Stanford NLP, 37k+ GitHub stars
  • Compiles/optimizes prompts automatically against metrics instead of manual prompt tuning
  • Production use at Databricks, Shopify, Dropbox, AWS; Shopify reports ~550x cost reduction

Agno head-to-head