The best openai-agents-python alternatives

deer-flow

bytedance/deer-flow

An open-source long-horizon SuperAgent harness that researches, codes, and creates. With the help of sandboxes, memories, tools, skill, subagents and message gateway, it handles different levels of tasks that could take minutes to hours.

Choose deer-flow if…

• you want the more widely starred option (84.9k)
• you specifically need agent or agentic

Shares ai, harness, llm, python with openai-agents-python.

headroom

headroomlabs-ai/headroom

Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.

Choose headroom if…

• Apache License 2.0 suits your use better than MIT License
• you want something your agent can install directly rather than a library to wire up yourself
• you want the more widely starred option (78.7k)
• you specifically need agent or anthropic

Shares ai, llm, openai, python with openai-agents-python.

AstrBot

AstrBotDevs/AstrBot

AI Agent Assistant & development framework that integrates lots of IM platforms, LLMs, plugins and AI feature, and can be your openclaw alternative. ✨

Choose AstrBot if…

• GNU Affero General Public License v3.0 suits your use better than MIT License
• you want the more widely starred option (45.8k)
• you specifically need agent or astrbot

Shares ai, llm, openai, python with openai-agents-python.

haystack

deepset-ai/haystack

Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search, and conversational systems.

Choose haystack if…

• Apache License 2.0 suits your use better than MIT License
• you specifically need agent-framework or agentic-ai

Shares agents, ai, framework, llm with openai-agents-python.

SuperAGI

TransformerOptimus/SuperAGI

<⚡️> SuperAGI - A dev-first open source autonomous AI agent framework. Enabling developers to build, manage & run useful autonomous agents quickly and reliably.

Choose SuperAGI if…

• you specifically need agi or artificial-general-intelligence

Shares agents, ai, llm, openai with openai-agents-python.

omnigent

omnigent-ai/omnigent

Omnigent is an open-source AI agent framework and meta-harness: orchestrate Claude Code, Codex, Cursor, Pi, and custom agents — swap harnesses without rewriting, enforce policies and sandboxing, and collaborate in real time from any device.

Choose omnigent if…

• Apache License 2.0 suits your use better than MIT License
• you prefer a smaller, narrower project to a large one
• you specifically need agent-framework or agent-governance

Shares agents, ai, llm, python with openai-agents-python.

harness-sdk

strands-agents/harness-sdk

Build an agent harness and control it end-to-end. Open-source SDK for production AI agents in Python & TypeScript - any model, any cloud.

Choose harness-sdk if…

• Apache License 2.0 suits your use better than MIT License
• you prefer a smaller, narrower project to a large one
• you specifically need agent-framework or agentic

Shares agents, ai, harness, llm with openai-agents-python.

AdalFlow

SylphAI-Inc/AdalFlow

AdalFlow: The library to build & auto-optimize LLM applications.

Choose AdalFlow if…

• you prefer a smaller, narrower project to a large one
• you specifically need agent or auto-prompting

Shares ai, framework, llm, python with openai-agents-python.

AutoGPT

Significant-Gravitas/AutoGPT

AutoGPT is the vision of accessible AI for everyone, to use and to build on. Our mission is to provide the tools, so that you can focus on what matters.

Choose AutoGPT if…

• you want the more widely starred option (187.9k)
• you specifically need agentic-ai or artificial-intelligence

Shares agents, ai, llm, openai with openai-agents-python.

langchain

langchain-ai/langchain

The agent engineering platform.

Choose langchain if…

• you want the more widely starred option (148.9k)
• you specifically need ai-agents or anthropic

Shares agents, ai, framework, llm with openai-agents-python.

unsloth

unslothai/unsloth

Local UI to run and train LLMs and diffusion models. Supports GGUF, MLX, Qwen3.8, DeepSeek-V4, MiniMax-H3, Gemma 4, FLUX and more.

Choose unsloth if…

• Apache License 2.0 suits your use better than MIT License
• you want the more widely starred option (79.0k)
• you specifically need agent or chatgpt

Shares ai, llm, openai, python with openai-agents-python.

mem0

mem0ai/mem0

The Memory Layer for AI Agents - Drop-in memory infrastructure for AI agents and apps. Context that persists. Built for production.

Choose mem0 if…

• Apache License 2.0 suits your use better than MIT License
• you want the more widely starred option (68.3k)
• you specifically need agentic-memory or agentic-memory-system

Shares agents, ai, llm, python with openai-agents-python.