Best AI Agent Frameworks

The agent engineering platform.

Framework for orchestrating role-playing, autonomous AI agents. By fostering collaborative intelligence, CrewAI empowers agents to work together seamlessly, tackling complex tasks.

Secure, fast, efficient, battle-tested at Alibaba's scale. Hybrid architecture code review tool: deterministic pipelines + LLM Agent, precise line-level comments, built-in multi-language ruleset (NPE, thread-safety, XSS, SQL injection), OpenAI & Anthropic compatible.

Build and run agents you can see, understand and trust.

Open Source framework for voice agents, multimodal apps, and realtime AI. Maintained by Daily and the community.

The web data API to search, scrape, and interact at scale. 🔥

Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.

A framework for building realtime voice AI agents 🤖🎙️📹

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.

Memory and context engine + app that is extremely fast, scalable, and can be run fully locally. The Memory API for the AI era.

TradingAgents: Multi-Agents LLM Financial Trading Framework

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.