Claw Family: Which AI Agent to Choose?

TL; DR OpenClaw is the fastest-growing AI Agent project in 2026 (over 250,000 stars), but it has issues such as code complexity (400,000 lines), high resource usage (390MB), and frequent security problems (over 5,000 issues). The community has seen several alternatives emerge: if you prioritize Feishu integration and enterprise security, choose ZeroClaw (Rust,

Project memory usage startup time OpenClaw ~390MB longer ZeroClaw PicoClaw ~1 second NullClaw ~1MB extremely fast

Domestic Instant Messaging Platform Support

• Feishu: ZeroClaw natively supports (optimal choice), NanoClaw supports via plugin

• DingTalk: PicoClaw natively supports

• QQ: PicoClaw natively supports

• WeChat Work: PicoClaw supports

Selection Recommendations

• Best Stability and Features: OpenClaw

• Enterprise Environment + Feishu: ZeroClaw (optimal choice)

• Resource-Constrained Devices: PicoClaw

• Learning AI Agent Principles: NanoClaw Python version

• Most Concerned About Security: NanoClaw (container isolation) or ZeptoClaw

• Extremely Lightweight: NullClaw

OpenFang is "autonomous driving", OpenClaw is "smart co-pilot"—one is responsible for running unattended, while the other is responsible for responding to your needs at any time.