
Free / Open-sourceWrite code with precision, hand bigger jobs to agents, and keep working from anywhere

Browser Copilot records 0 monthly visits with — month-over-month growth and Free pricing. Chatbox records 567,170 monthly visits with -16.1% growth and Freemium pricing.

Browser Copilot is a free, open-source Chrome extension that embeds AI assistants directly into your browser. Rather than bundling a single chatbot, it lets you load any web-hosted copilot by URL — or build your own — and use it while you work in web apps.
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | chromewebstore.google.com | chatboxai.app |
| Pricing Model | Free | Freemium |
| Monthly Visits | 0 (0) | 567.17K (567,170) |
| MoM Traffic Delta |
|---|
| 0 (—) |
| -108.56K (-16.1%) |
| Primary Market & Share | 🌐 Global (—) | 🇨🇳 China (44.7%) |
|---|
| Direct Visits / mo | 0 | 329.04K |
|---|
| User Rating | 4.3 | 4.6 |
|---|
| Supported Platforms | Browser Extension | Website |
|---|

Browser Copilot is a free, open-source Chrome extension that embeds AI assistants directly into your browser. Rather than bundling a single chatbot, it lets you load any web-hosted copilot by URL — or build your own — and use it while you work in web apps.
One privacy-first AI client for GPT, Claude, Gemini and more
Switch between GPT, Claude, Gemini, Grok, DeepSeek and many other providers in one client by plugging in your own API credentials.
Upload PDFs, Office documents, images and code, then ask the app to summarise, explain or extract what you need.
Store documents locally so Chatbox can recall and answer from your own materials while your data stays on your machine.
Pull current results from the web and display answers with Markdown, Mermaid diagrams, LaTeX formulas and code previews.

Free / Open-sourceWrite code with precision, hand bigger jobs to agents, and keep working from anywhere


Aggregates diverse frontier models into a unified consumer app, though it lacks direct bring-your-own-key desktop customization.


SpecialistAll-in-one AI assistant across web, browser, desktop and mobile
SpecialistAI sidebar and browser agent for reading, writing and research

Free / Open-sourceOpen-source personal AI assistant that runs on your own machine and works from chat apps

One AI assistant that plugs ChatGPT, Claude and Gemini into every tab

Free / Open-sourceSelf-hosted AI workspace for local and cloud models

Offers a more feature-rich browser interface with advanced prompts and team sharing, but requires its own paid license.

Bring ChatGPT, Claude and Gemini into Google Docs, Sheets, Slides and Gmail

Free / Open-sourceOpen-source frontend stack for building AI agents and copilots inside your own product


Free / Open-sourceBrings a robust open-source multi-user platform supporting diverse AI providers, custom agents, and secure local authentication.

Specializes in side-by-side model comparison using a single prompt, whereas Chatbox focuses on single-thread chat management.
Free / Open-sourceWrite code with precision, hand bigger jobs to agents, and keep working from anywhere
Aggregates diverse frontier models into a unified consumer app, though it lacks direct bring-your-own-key desktop customization.
SpecialistAll-in-one AI assistant across web, browser, desktop and mobile
SpecialistAI sidebar and browser agent for reading, writing and research
Free / Open-sourceOpen-source personal AI assistant that runs on your own machine and works from chat apps
One AI assistant that plugs ChatGPT, Claude and Gemini into every tab
Free / Open-sourceSelf-hosted AI workspace for local and cloud models
Offers a more feature-rich browser interface with advanced prompts and team sharing, but requires its own paid license.
Bring ChatGPT, Claude and Gemini into Google Docs, Sheets, Slides and Gmail
Free / Open-sourceOpen-source frontend stack for building AI agents and copilots inside your own product
Free / Open-sourceBrings a robust open-source multi-user platform supporting diverse AI providers, custom agents, and secure local authentication.
Specializes in side-by-side model comparison using a single prompt, whereas Chatbox focuses on single-thread chat management.