Comparison
Vessel vs Browserbase
Both help AI agents use browsers. They make different architectural bets: Browserbase is cloud browser infrastructure; Vessel is a local, visible agent browser runtime.
| Dimension | Vessel Browser | Browserbase |
|---|---|---|
| Primary model | Local desktop browser runtime for agents | Cloud browser sessions via API |
| Human supervision | Visible UI for watching, steering, and auditing work | Generally headless/API-oriented |
| State | Persistent local sessions and browser state | Managed cloud sessions |
| Best for | Personal agents, local models, MCP workflows, human-in-the-loop work | Server-side browser automation at scale |
| Control boundary | User-owned machine and local browser environment | External browser infrastructure |
| Source | Open source, MIT | Commercial cloud service |
Choose Vessel when...
- You want an open-source Browserbase alternative for local agent workflows.
- You need visible human supervision instead of purely headless browser automation.
- Your agent harness speaks MCP or runs on your machine.
- You care about local browser state, cookies, tabs, and inspectability.
Choose Browserbase when...
- You need managed cloud browser sessions at infrastructure scale.
- You are building a server-side product that needs remote browsers on demand.
- Human-visible local supervision is not part of the workflow.
The practical split: Browserbase is browser infrastructure for applications. Vessel is a browser workspace for human-agent collaboration.