Nanobrowser vs 
LaVague
Nanobrowser vs LaVague compared for 2026 — features, license, ease of use, performance and which one to choose. Multi-agent web automation in your own browser vs Turn objectives into browser automation.
Updated regularly · curated by OpenSourceAI.tech
Nanobrowser vs LaVague at a glance
| Spec | Nanobrowser | LaVague |
|---|---|---|
| Category | Browser & computer-use agents | Browser & computer-use agents |
| Type | Chrome extension agent | Web agent framework |
| License | Apache-2.0 | Apache-2.0 |
| Runs locally | Partial | Yes |
| Primary language | TypeScript | Python |
| Ease of use | Beginner | Intermediate |
| Best for | an OpenAI-Operator-style agent you fully control | generating reusable automation scripts |
| GitHub stars | 13.5k | 6.4k |
How Nanobrowser and LaVague score
| Criterion | Nanobrowser | LaVague |
|---|---|---|
| Popularity | 3.0 | 2.5 |
| Maintenance | 3.0 | 2.0 |
| Ease of use | 5.0 | 3.5 |
| Privacy | 3.5 | 5.0 |
| License freedom | 5.0 | 5.0 |
Scores are computed automatically from public signals — GitHub stars (popularity), recent commit activity (maintenance), license type (freedom), local-first design (privacy) and onboarding complexity (ease of use). Indicative, not a verdict.
What each one is
Nanobrowser
Nanobrowser is an open Chrome extension where a planner and a navigator agent cooperate to browse and complete web tasks — running in your existing browser with your own API keys.
- Runs in your real browser — sessions and logins included
- Planner + navigator multi-agent design
- Your keys, your data, zero subscription
LaVague
LaVague compiles a natural-language objective into Selenium or Playwright code that carries it out in a real browser.
- Outputs real Selenium/Playwright code
- Scripts are reusable and auditable
- Works with local models
Key differences
Nanobrowser is chrome extension agent, while LaVague is web agent framework. Nanobrowser leans more beginner-friendly, whereas LaVague is more suited to intermediate users. They also differ in how they run (Partial vs Yes). In short, Nanobrowser fits an OpenAI-Operator-style agent you fully control, and LaVague fits generating reusable automation scripts.
Which should you choose?
Choose Nanobrowser for an OpenAI-Operator-style agent you fully control. Choose LaVague for generating reusable automation scripts.
There is rarely one winner — many setups use both. The right pick depends on your hardware, your team's skills, and whether you value simplicity or control.
Frequently asked questions
Is Nanobrowser or LaVague easier to use?
Nanobrowser is generally the easier of the two to get started with, while LaVague rewards more setup with more control.
Are Nanobrowser and LaVague free?
Nanobrowser is free and open source (Apache-2.0), and LaVague is free and open source (Apache-2.0). Neither charges for the core software.
Can I run Nanobrowser and LaVague locally?
Nanobrowser: partial · LaVague: yes. Both can be used without sending your data to a third-party cloud where their setup allows.
Nanobrowser vs LaVague — which should I pick in 2026?
Choose Nanobrowser for an OpenAI-Operator-style agent you fully control. Choose LaVague for generating reusable automation scripts.
People also compare
Explore more open-source AI
Browse thousands of open-source AI tools, models and projects — all curated in one place, updated daily.
Explore the directory →