Comparison
nanobrowser vs openbrowser
Verdict
Pick nanobrowser if nanobrowser is an open-source Chrome extension that facilitates AI-powered web automation through multi-agent workflows, requiring users to input their own LLM API keys. It stands out with a focus on cost-effective agent; pick openbrowser if openBrowser is an AI-powered autonomous web browsing framework built on Playwright, designed for data extraction and task completion using models from OpenAI.
Markdown twin · nanobrowser alternatives · openbrowser alternatives
GraphCanon updated today
vs
Trust & integrity
| Signal | nanobrowser | openbrowser |
|---|---|---|
| Maintenance | Very active (1d since push) As of 1d · github_public_v1 | Slowing (139d since push) As of today · github_public_v1 |
| Provenance | Not a fork · Organization account As of 1d · github_public_v1 | Not a fork · Personal account As of today · github_public_v1 |
| OSV dependency advisories | No published findings from this source as of 2026-07-11 As of 1mo · osv@v1 | No lockfile (source not queried) As of 1mo · osv@v1 |
| deps.dev advisories | Not queried deps.dev@v1 | Not queried deps.dev@v1 |
| OpenSSF Scorecard | Not queried openssf-scorecard@v1 | Not queried openssf-scorecard@v1 |
Tagline
- nanobrowser
- Open-Source Chrome extension for AI-powered web automation
- openbrowser
- AI-powered autonomous web browsing framework
Stars
- nanobrowser
- 14k
- openbrowser
- 9.5k
Forks
- nanobrowser
- 1.4k
- openbrowser
- 864
Open issues
- nanobrowser
- 74
- openbrowser
- 19
Language
- nanobrowser
- TypeScript
- openbrowser
- TypeScript
Adopt for
- nanobrowser
- Nanobrowser is an open-source Chrome extension that facilitates AI-powered web automation through multi-agent workflows, requiring users to input their own LLM API keys. It stands out with a focus on cost-effective agent
- openbrowser
- OpenBrowser is an AI-powered autonomous web browsing framework built on Playwright, designed for data extraction and task completion using models from OpenAI, Anthropic, and Google. It features support for multi-models,沙
Persona
- nanobrowser
- -
- openbrowser
- -
Runtime
- nanobrowser
- -
- openbrowser
- -
License
- nanobrowser
- Apache-2.0
- openbrowser
- MIT
Last pushed
- nanobrowser
- Aug 18, 2026
- openbrowser
- Apr 2, 2026
Categories
- nanobrowser
- AI Agents, Developer Tools
- openbrowser
- AI Agents
Trust and health
Maintenance
- nanobrowser
- Very active (96%)
- openbrowser
- Slowing (36%)
Days since push
- nanobrowser
- 1d
- openbrowser
- 139d
Open issues (now)
- nanobrowser
- 74
- openbrowser
- 19
Stars delta
- nanobrowser
- +96 (30d)
- openbrowser
- +14 (30d)
Open issues delta
- nanobrowser
- +4 (30d)
- openbrowser
- 0 (30d)
Owner type
- nanobrowser
- Organization
- openbrowser
- User
OSV dependency advisories
- nanobrowser
- No published findings from this source as of 2026-07-11
- openbrowser
- No lockfile (source not queried)
Full report
- nanobrowser
- Trust report
- openbrowser
- Trust report
Typed relationship
nanobrowser alternative openbrowserBoth Nanobrowser and OpenBrowser are frameworks designed to leverage AI for web browsing automation and are open-source, suggesting they compete in solving similar problems.
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: agent, ai-tools, automation, browser-automation.
- Also covers Developer Tools.
- When you are looking for a flexible configuration of multiple agents in web automation tasks and want to avoid the limitations present in the Chrome Web Store version.
When NOT to use nanobrowser
- If you strictly require a fully managed solution without needing to input API keys and managing configurations.
- Not recommended if your tasks can be handled efficiently by simpler tools, as Nanobrowser's advanced configuration might introduce unnecessary complexity.
- Avoid this tool if automatic updates are crucial for your workflow since updating through the Chrome Web Store may lag due to review processes.
Choose openbrowser if…
- License: openbrowser is MIT, nanobrowser is Apache-2.0.
- 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: ai-agents, autonomous, multi-model support, playwright.
- - When you need to automate web tasks with natural-language inputs without manual scripting. - For environments requiring the ability to quickly switch between different AI models (OpenAI, Anthropic,
When NOT to use openbrowser
- - When the task requires a very specific browser environment or features not supported by Playwright. - If your project cannot accommodate MIT-licensed code, considering OpenBrowser is released under
- additional_facts_how_to_use_other_than_a_general_summary_below_if_non_existent_then_ignore_this_field_see_other_examples_from_our_KG_database_for_guidance_on_formatting_this_data_properly_and_effec
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (nanobrowser/nanobrowser) · observed Aug 19, 2026
- GitHub forks (nanobrowser/nanobrowser) · observed Aug 19, 2026
- Last push (nanobrowser/nanobrowser) · observed Aug 18, 2026
- License file (Apache-2.0) · observed Aug 19, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (ntegrals/openbrowser) · observed Aug 20, 2026
- GitHub forks (ntegrals/openbrowser) · observed Aug 20, 2026
- Last push (ntegrals/openbrowser) · observed Apr 2, 2026
- License file (MIT) · observed Aug 20, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: nanobrowser 14k · openbrowser 9.5k (synced Aug 19, 2026).
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. 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: agent, ai-tools, automation, browser-automation; Also covers Developer Tools; When you are looking for a flexible configuration of multiple agents in web automation tasks and want to avoid the limitations present in the Chrome Web Store version.
- When should I choose openbrowser over nanobrowser?
- Choose openbrowser over nanobrowser when License: openbrowser is MIT, nanobrowser is Apache-2.0; 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: ai-agents, autonomous, multi-model support, playwright; - When you need to automate web tasks with natural-language inputs without manual scripting. - For environments requiring the ability to quickly switch between different AI models (OpenAI, Anthropic,.
- When should I avoid nanobrowser?
- If you strictly require a fully managed solution without needing to input API keys and managing configurations. Not recommended if your tasks can be handled efficiently by simpler tools, as Nanobrowser's advanced configuration might introduce unnecessary complexity. Avoid this tool if automatic updates are crucial for your workflow since updating through the Chrome Web Store may lag due to review processes.
- When should I avoid openbrowser?
- - When the task requires a very specific browser environment or features not supported by Playwright. - If your project cannot accommodate MIT-licensed code, considering OpenBrowser is released under additional_facts_how_to_use_other_than_a_general_summary_below_if_non_existent_then_ignore_this_field_see_other_examples_from_our_KG_database_for_guidance_on_formatting_this_data_properly_and_effec
- Is nanobrowser or openbrowser more popular on GitHub?
- nanobrowser has more GitHub stars (13,575 vs 9,510). 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 nanobrowser alternatives and openbrowser alternatives (nanobrowser markdown twin, openbrowser markdown twin), ranked by typed relationship edges rather than popularity votes.
- Is there a machine-readable version of this comparison?
- Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
- Which is better maintained, nanobrowser or openbrowser?
- nanobrowser: Very active. 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 trust report; openbrowser trust report.