Jul 26, 2026 · webbrain.one

WebBrain Open-Source Browser Agent Surpasses 1 Billion Monthly Tokens, 500 GitHub Stars

WebBrain Open-Source Browser Agent Surpasses 1 Billion Monthly Tokens, 500 GitHub Stars

FOR IMMEDIATE RELEASE

WebBrain, the free and open-source AI browser agent, has crossed two significant adoption milestones—exceeding 1 billion tokens consumed monthly and earning 500 stars on GitHub. The project also set a new single-day record this week, serving 100 million tokens through its cloud service alone, separate from users running their own API keys or local models.

The 1-billion monthly token mark underscores rapid uptake among developers, researchers, and privacy-conscious users who are self-hosting the browser extension or connecting it to local LLMs via llama.cpp and other backends. Combined with the cloud token surge, the figures reflect growing demand for a transparent, self-hostable alternative to proprietary browser AI plugins.

The project’s GitHub repository, github.com/webbrain-one, surpassed 500 stars overnight, a milestone the team attributes to word-of-mouth and community contributions. “If you haven’t already, please leave a star and help us spread the word,” maintainers shared via social channels, acknowledging the role of the open-source community in the agent’s development.

WebBrain functions as a browser-native AI agent across Chrome, Firefox, and Edge. It reads pages, extracts form data, fills out fields from memory, and automates multi-step web tasks—all while respecting user control. A split-provider vision system, highlighted in the project’s latest engineering blog, lets users run a local vision model for token-conscious screenshot analysis while pairing it with any planner of their choice, from GPT-4o-mini to open-weight options like Qwen.

The extension’s multilingual UI and support for OpenAI, Anthropic, OpenRouter, and llama.cpp backends make it accessible to a global audience. All code is released under the MIT license, ensuring anyone can audit, modify, or self-host the agent without vendor lock-in.

About WebBrain

WebBrain is a free, open-source browser extension that brings AI agent capabilities directly to the browser. Users can read pages, extract structured data, and automate web tasks—all powered by their choice of large language model. Built as a self-hostable alternative to proprietary browser AI plugins, WebBrain works on Chrome, Firefox, and Edge, features a multilingual interface, and employs token-conscious screenshot processing to keep costs low. The project is developed in the open under the MIT license.

Contact

Website: https://webbrain.one