Everyone is talking about AI agents. Very few have tried more than one. I use them daily — and they are fundamentally different. This isn't about which is "best". It's about what the task requires. Here's the honest comparison, including what most people won't tell you.
01 / Sovereignty — OpenClaw
Your machine. Your rules. Your responsibility. Runs locally.
What: Open-source AI agent by Peter Steinberger (now at OpenAI). One of the fastest-growing open-source agent projects in 2026. Talks via Telegram, WhatsApp, Slack and more.
Where: On your own hardware. A Mac mini, Linux server, or — like mine — an old gamer PC behind the radiator. You connect it to whichever LLM you choose (GPT, Claude, DeepSeek).
Price: Free + API costs for the chosen model. OpenAI Codex performs best out-of-the-box.
Best for: Specialized automation that needs to run 24/7. Lead research. Prospect discovery. Maximum flexibility.
Watch out: Setup requires the terminal. Palo Alto Networks, Cisco, and Kaspersky have documented serious security flaws (CVEs, prompt injection, malicious skills). 135,000+ exposed instances on the open net (peak Feb 2026). Not for corporate data without segmentation.
02 / Control — Claude Cowork
The controlled specialist. Desktop agent.
What: Anthropic's agentic desktop app. Point it at a folder and it reads, writes, edits, and creates your files — multi-step, from goal to finished output.
Where: Files stay local. You see every action and approve it. Inference runs at Anthropic (like all cloud AI). Generally available on macOS and Windows via Claude Desktop.
Price: ~$20–$200/month. Included in Pro ($20), Max 5× ($100), Max 20× ($200). Cowork burns usage faster than chat — choose your plan accordingly.
Best for: Daily deep work on documents. Reports. Spreadsheets. Slides. File sorting. When quality and control matter more than speed.
Watch out: Anthropic does not recommend Cowork for HIPAA, FedRAMP, or FSI-regulated workloads. Enterprise now has observability via Analytics API, OpenTelemetry, and RBAC — but compliance still requires a conversation with your IT.
03 / Autonomy — Perplexity Computer
The autonomous generalist. Runs in the cloud.
What: Launched February 25, 2026. Orchestrates 19 frontier models (Claude Opus, GPT-5.4, Gemini, Grok and more). You describe the goal — it breaks it down, distributes subtasks, works in the background.
Where: Entirely in Perplexity's cloud, sandboxed environment. Close the browser — come back hours later to a finished result.
Price: ~$200/month (Perplexity Max), incl. 10,000 credits/month, Pro searches, Comet browser, Labs, Sora 2 Pro.
Best for: Long research tasks. Market analyses. Competitor scans. Multi-step jobs you'd otherwise outsource. When you want to sleep while it works.
Watch out: Credits burn fast on complex tasks. No local file access. You hand the tasking power to a cloud — judge for yourself what you send in. Still new — maturing fast.
What the three actually represent
- Sovereignty (OpenClaw): You own everything. You maintain it yourself. Maximum flexibility, maximum responsibility.
- Control & creativity (Cowork): You see every action. Lowest risk of unintended harm.
- Autonomy (Perplexity Computer): You sleep. It works. Highest delegation — lowest visibility.
My suggestion: You don't have to choose one
A pragmatic stack might look like this — the task decides the tool:
- Daily deep work: Cowork for documents, reports, and slides you have to vouch for at every step.
- Background research: Perplexity Computer for long tasks that can run while you do something else.
- Specialized automation: OpenClaw on a cheap PC behind the radiator — for anything that has to run 24/7 without a license ceiling.
The question isn't "which is best?" It's "what is the task?"
Stefano Vincenti · AI consultant, BotTellMe · External lecturer, IT University of Copenhagen · aitrainer.dk