---
title: "nanobrowser vs openbrowser"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/nanobrowser-nanobrowser-vs-ntegrals-openbrowser"
tools: ["nanobrowser-nanobrowser", "ntegrals-openbrowser"]
---

# nanobrowser vs openbrowser

Neutral, constraint-first comparison with live GitHub stats.

| | [nanobrowser](/tools/nanobrowser-nanobrowser.md) | [openbrowser](/tools/ntegrals-openbrowser.md) |
| --- | --- | --- |
| Tagline | Open-Source Chrome extension for AI-powered web automation. | AI-powered autonomous web browsing framework for TypeScript. |
| Stars | 13,439 | 9,491 |
| Forks | 1,410 | 865 |
| Open issues | 69 | 19 |
| Language | TypeScript | TypeScript |
| Adopt for | nanobrowser is an open-source, AI-driven browser extension that allows for free and flexible web automation with support for multiple LLM providers without cloud service dependencies. | **openbrowser** is a TypeScript-based autonomous web browsing framework that facilitates AI-driven task automation across any website with built-in support for major LLMs like OpenAI, Anthropic, and Google models. |
| Persona | - | - |
| Runtime | - | - |
| License | Apache-2.0 | MIT |
| Categories | AI Agents | AI Agents, Inference & Serving |

## Trust and health

_Sourced signals - not a safety guarantee. No winner column._

| | [nanobrowser](/tools/nanobrowser-nanobrowser.md) | [openbrowser](/tools/ntegrals-openbrowser.md) |
| --- | --- | --- |
| Days since push | 225d | 96d |
| Open issues (now) | 69 | 19 |
| Owner type | Organization | User |
| Security scan | No criticals | No lockfile |
| Full report | [trust report](/tools/nanobrowser-nanobrowser/trust.md) | [trust report](/tools/ntegrals-openbrowser/trust.md) |

**Typed relationship:** nanobrowser _(alternative)_ openbrowser

Both Nanobrowser and OpenBrowser are frameworks designed to leverage AI for web browsing automation and are open-source, suggesting they compete in solving similar problems.

## Decision facts: nanobrowser

- **Adopt for:** nanobrowser is an open-source, AI-driven browser extension that allows for free and flexible web automation with support for multiple LLM providers without cloud service dependencies.

## Decision facts: openbrowser

- **Hosting:** self hosted - Self-hosted on your infrastructure or integrated into larger TypeScript applications where detailed control over AI-driven automation and sandbox execution is essential.
- **Pricing:** freemium - Open-source under MIT license, allowing free usage but support for commercial use cases could incur costs associated with third-party LLM API providers.
- **Requirements:** Min 2 GB RAM; - Requires installation of dependencies via Bun.; - Integration with external AI models necessitates appropriate API keys setup.
- **Adopt for:** **openbrowser** is a TypeScript-based autonomous web browsing framework that facilitates AI-driven task automation across any website with built-in support for major LLMs like OpenAI, Anthropic, and Google models.

## Choose when

### Choose nanobrowser if…

- License: nanobrowser is Apache-2.0, openbrowser is MIT.
- Both Nanobrowser and OpenBrowser are frameworks designed to leverage AI for web browsing automation and are open-source, suggesting they compete in solving similar problems.
- Tags unique to nanobrowser: multi-agent, llm, ai, browser-automation.
- When integrating a multi-agent system into your Chrome or Edge browsing experience.

### Choose openbrowser if…

- License: openbrowser is MIT, nanobrowser is Apache-2.0.
- Self-hosted on your infrastructure or integrated into larger TypeScript applications where detailed control over AI-driven automation and sandbox execution is essential.
- Pricing: Open-source under MIT license, allowing free usage but support for commercial use cases could incur costs associated with third-party LLM API providers..
- Requirements: Min 2 GB RAM; - Requires installation of dependencies via Bun.; - Integration with external AI models necessitates appropriate API keys setup..
- Both Nanobrowser and OpenBrowser are frameworks designed to leverage AI for web browsing automation and are open-source, suggesting they compete in solving similar problems.
- Tags unique to openbrowser: sandbox, claude, playwright, puppeteer.
- Also covers Inference & Serving.
- - When you need to automate complex, multi-step tasks on websites without low-level coding.

## When NOT to use nanobrowser

- If you require support for browsers other than Chrome or Edge.
- If complete privacy and local execution are not priorities for you.
- When looking to use an alternative that is specifically compatible with Firefox, Safari, or another Chromium variant besides Google Chrome and Microsoft Edge.

## When NOT to use openbrowser

- - When you require a highly customized or specialized automation process that goes beyond typical web interactions (e.g., complex enterprise software automation).
- - If your application does not benefit from real-time, autonomous task completion through natural language commands.
- - For scenarios where JavaScript/TypeScript proficiency is lacking, as the framework might be more challenging to adapt or require a steeper learning curve for non-TypeScript developers.

## Common questions

### What is the difference between nanobrowser and openbrowser?

nanobrowser: Open-Source Chrome extension for AI-powered web automation.. openbrowser: AI-powered autonomous web browsing framework for TypeScript.. See the comparison table for live GitHub stats and shared categories.

### When should I choose nanobrowser over openbrowser?

Choose nanobrowser over openbrowser when License: nanobrowser is Apache-2.0, openbrowser is MIT; Both Nanobrowser and OpenBrowser are frameworks designed to leverage AI for web browsing automation and are open-source, suggesting they compete in solving similar problems; Tags unique to nanobrowser: multi-agent, llm, ai, browser-automation; When integrating a multi-agent system into your Chrome or Edge browsing experience.

### When should I choose openbrowser over nanobrowser?

Choose openbrowser over nanobrowser when License: openbrowser is MIT, nanobrowser is Apache-2.0; Self-hosted on your infrastructure or integrated into larger TypeScript applications where detailed control over AI-driven automation and sandbox execution is essential; Pricing: Open-source under MIT license, allowing free usage but support for commercial use cases could incur costs associated with third-party LLM API providers.; Requirements: Min 2 GB RAM; - Requires installation of dependencies via Bun.; - Integration with external AI models necessitates appropriate API keys setup.; Both Nanobrowser and OpenBrowser are frameworks designed to leverage AI for web browsing automation and are open-source, suggesting they compete in solving similar problems; Tags unique to openbrowser: sandbox, claude, playwright, puppeteer; Also covers Inference & Serving; - When you need to automate complex, multi-step tasks on websites without low-level coding.

### When should I avoid nanobrowser?

If you require support for browsers other than Chrome or Edge. If complete privacy and local execution are not priorities for you. When looking to use an alternative that is specifically compatible with Firefox, Safari, or another Chromium variant besides Google Chrome and Microsoft Edge.

### When should I avoid openbrowser?

- When you require a highly customized or specialized automation process that goes beyond typical web interactions (e.g., complex enterprise software automation). - If your application does not benefit from real-time, autonomous task completion through natural language commands. - For scenarios where JavaScript/TypeScript proficiency is lacking, as the framework might be more challenging to adapt or require a steeper learning curve for non-TypeScript developers.

### Is nanobrowser or openbrowser more popular on GitHub?

nanobrowser has more GitHub stars (13,439 vs 9,491). Stars measure visibility, not whether either tool fits your constraints.

### Are nanobrowser and openbrowser open source?

Yes - both are open-source projects on GitHub (nanobrowser: Apache-2.0, openbrowser: MIT).

### Where can I find alternatives to nanobrowser or openbrowser?

GraphCanon lists graph-backed alternatives at /tools/nanobrowser-nanobrowser/alternatives and /tools/ntegrals-openbrowser/alternatives (/tools/nanobrowser-nanobrowser/alternatives.md, /tools/ntegrals-openbrowser/alternatives.md), ranked by typed relationship edges rather than popularity votes.

### Is there a machine-readable version of this comparison?

Yes. The markdown twin at /compare/nanobrowser-nanobrowser-vs-ntegrals-openbrowser.md mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.

### Which is better maintained, nanobrowser or openbrowser?

nanobrowser: Slowing. openbrowser: Slowing. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.

### Where are the full trust reports for nanobrowser and openbrowser?

GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: nanobrowser: /tools/nanobrowser-nanobrowser/trust; openbrowser: /tools/ntegrals-openbrowser/trust.

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/graph?tool=nanobrowser-nanobrowser`](/api/graphcanon/graph?tool=nanobrowser-nanobrowser)
- LLM index: [/llms.txt](/llms.txt)
- Full corpus: [/llms-full.txt](/llms-full.txt)

_GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_
