OpenClaw is the open-source personal AI assistant that went viral across 2025-2026: it runs on your own computer or server, connects to your messaging channels (WhatsApp, Telegram and more), and acts on your behalf – email, calendar, documents and web tasks – through plain conversation. There is no hosted tier, no subscription and no platform token; the project is stewarded by an independent 501(c)(3) foundation.
The cost model is brutally simple: the software is $0, and what you pay is the compute it runs on plus the model API keys you attach – which can be near-nothing on local models or meaningful on frontier ones. Against subscription agents like Manus, OpenClaw trades setup effort for total control: your data never leaves hardware you own, and you choose the brain.