- Built with WXT: the extension is now a single package built with WXT instead of a multi-package
- New AI engine: LLM calls now run on the Vercel AI SDK instead of LangChain. Structured output is more
- Reasoning effort: models that support it now use a reasoning effort setting instead of temperature
- Updated default models for OpenAI, Anthropic, Gemini, Grok, DeepSeek and Ollama.
- Ollama now connects through its OpenAI-compatible API. Existing Ollama settings keep working.
- Groq, Cerebras and Llama API providers were removed. Their saved settings and API keys are deleted
Nanobrowser by Nanobrowser team
Overview
A Chrome and Edge extension that runs a planner and navigator multi-agent system in the browser to carry out web tasks, using your own model API keys or Ollama.
The GitHub repository has 14K stars, 277 of them added in the last 30 days. The latest stable release is 0.2.0, published Oct 2, 2026; there were 1 stable releases in the past 30 days. It was mentioned in 1 Hacker News posts and comments over the last 30 days.
Nanobrowser usage and attention over time
Download the raw daily series: nanobrowser.csv
Key facts
| Maker | Nanobrowser team |
|---|---|
| Type | Open-source browser automation agent (Chrome extension) |
| First released | December 2024 |
| License | Apache-2.0 |
| Local models | Ollama (docs) |
| Main language | TypeScript |
| Open issues and PRs | 83 |
Pricing
Free extension; users pay their model provider directly through their own keys.
Source: official pricing page, checked Oct 6, 2026. Prices change often; confirm before you buy.
Pulse Score breakdown
Each component is scored 0 to 100 from public signals; a dash means no data for it. Methodology.
Nanobrowser news and signals
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101 agents added to AgentGid
DeepSeek Harness, CopilotKit, Orca, eve, ARTEMIS, Jasper, Harvey, Paradox, Eightfold AI Interviewer, TesterArmy e2e, Copy.ai, Consensus and 89 more
-
Nanobrowser 0.2.0 released
Built with WXT: the extension is now a single package built with WXT instead of a multi-package; New AI engine: LLM calls now run on the Vercel AI SDK instead of LangChain. Structured output is more; Reasoning effort: models that support it now use a…
What changed: recent Nanobrowser releases
1 stable releases in the last 90 days · Full changelog
- feat(i18n): add Portuguese (Brazil) language support
- feat: Replace emoji icons with professional React icons in settings
- Enhance coding assistant guidance and discoverability
- fix: an infinite loop affecting live nodes and sandboxed iframes (e.g., on amazon.com)
- fix: upgrade getClickableElements to an iterative implementation to avoid recursion issues
- feat: Add text file attachment support to chat interface
- Add gpt-5-chat-latest non-reasoning model
- Fix issue #207: Model parameter persistence in options UI
- Add optional anonymous analytics for future enhancements
- Improve lightweight guardrails and system prompts
- Add sponsor badge and fix some minor bugs
- Remove unnecessary identify call to avoid useless identity events
- feat: Add Llama API integration support
- Create readme-tr.md
- sync with browser-use v0.5.11
- Handling of inaccessible frame from parent (e.g. CORS)
- Internationalization (i18n) Implementation
- Update and improve zh-Hant Traditional Chinese README
- fix: resolve model name collision between providers by storing provider>model pairs
- Sourcemap
- move dom folder into browser folder as a sub package, upgrade Puppeteer
- Optimize scrolling elements
- disable replaying of historical tasks by default
- @GratitechHD made their first contribution in
- Add Groq as a supported LLM provider
- Fixed english for placeholder message
- feat: Add Opera sidebar support while maintaining Chrome compatibility
- feat: Add Cerebras LLM provider support.
- fix: remove invalid sidebaraction from Chrome manifest - Fix Manifes…
- Added mic button
Nanobrowser alternatives
| # | Agent | Pulse | Downloads 7d | 7d | 30d | VS Code installs | Stars | Latest release | Price | Last 90 days | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 15 |
Browser UseBrowser Use |
60 | 2.4M | up 16.3% | — | — | 117K+88/day | 0.13.1032d ago | Free | ||
| 21 |
StagehandBrowserbase |
58 | 2.5M | up 13.4% | up 16.5% | — | 25.5K+15/day | 3.7.339d ago | Free + $20/mo | ||
| 49 |
ARTEMISGoogle |
48 | — | — | — | — | 11K+64/day | — | Free (OSS) | — | |
| 81 |
CloakBrowserCloakHQ |
41 | 289K | down 25.3% | down 26.0% | — | 31.9K+27/day | 152.0.7977.82…13d ago | Free (OSS) | ||
| 144 |
SkyvernSkyvern AI |
28 | 5,699 | up 0.3% | down 14.8% | — | 23.1K+8/day | 1.0.555d ago | Free + $29/mo | ||
| 158 |
Perplexity CometPerplexity AI |
24 | — | — | — | — | — | — | Free | ||
| No agents match that filter. | |||||||||||
Nanobrowser FAQ
How much does Nanobrowser cost?
Free extension; users pay their model provider directly through their own keys.
Is Nanobrowser open source?
Yes. Nanobrowser is open source, released under the Apache-2.0 license.
How popular is Nanobrowser?
The GitHub repository has 14K stars, 277 of them added in the last 30 days. The latest stable release is 0.2.0, published Oct 2, 2026; there were 1 stable releases in the past 30 days. It was mentioned in 1 Hacker News posts and comments over the last 30 days.
What is the latest version of Nanobrowser?
The latest stable release we track is 0.2.0, published on Oct 2, 2026.
What are the alternatives to Nanobrowser?
The closest alternatives in the same category by Pulse Score are Browser Use, Stagehand, ARTEMIS, CloakBrowser.
Where these numbers come from
GitHub: nanobrowser/nanobrowser. Site rank: nanobrowser.ai on the Tranco list. See data sources for how each one is collected.
Product facts and pricing were checked against: github.com, nanobrowser.ai.
