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OpenAI Agents SDK Alternatives

Official OpenAI framework for building production AI agents with tool use and guardrails

The OpenAI Agents SDK is the official Python framework for building AI agents powered by OpenAI models. It provides primitives for tool use, handoffs between agents, guardrails, and tracing.

Explore 17 alternatives to OpenAI Agents SDK across 1 category. Each tool listed below shares at least one category with OpenAI Agents SDK.

🕵️‍♀️ Agents

AgentOps

Build compliant AI agents with observability, evals, and replay analytics.

Free Trial

AutoGen

Microsoft's framework for building multi-agent AI applications with event-driven messaging

Open Source

Composio

Tool integration platform connecting AI agents to 1,000+ apps with managed auth and execution

Open Source Free Trial

CrewAI

Framework for orchestrating role-playing, autonomous AI agents.

Open Source

Dendrite

Rethinking the internet for AI agents.

Free Trial

E2B

Open-source cloud sandboxes for running AI-generated code securely in Firecracker microVMs

Open Source Free Trial

Fixie

The fastest way to build conversational AI agents

Open Source Free Trial

Google ADK

Open-source agent development kit from Google for building multi-agent systems

Open Source Free Trial

LangGraph

Low-level framework for building stateful, long-running AI agents with graph-based orchestration

Open Source Free Trial

Langroid

Multi-agent LLM framework using message-based task delegation inspired by the Actor model

Open Source

Letta

Framework for building stateful AI agents with persistent memory, formerly MemGPT

Open Source Free Trial

LLM Browser

Enable your AI agents to access any website without worrying about captchas, proxies and anti-bot challenges

Open Source Free Trial

Mastra

TypeScript-first AI framework for building agents, RAG pipelines, and workflows

Open Source Free Trial

Pydantic AI

Type-safe Python agent framework with Pydantic validation, tool calling, and dependency injection

Open Source

Semantic Kernel

Microsoft's SDK for building and orchestrating AI agents in .NET, Python, and Java

Open Source

Smolagents

Lightweight Python agent framework from Hugging Face where agents write Python code instead of JSON tool calls

Open Source

Superagent

Prototype and deploy agents powered by large language models.

Open Source Free Trial

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