LightSession trims the page structure in long ChatGPT conversations through a Firefox or Chrome extension.
Open source
24 alternativesChatGPT Box
ChatGPTBox integrates ChatGPT into a browser through an extension with additional site interactions.
About ChatGPT Box
ChatGPTBox is an open-source browser extension that adds ChatGPT access to web pages. It provides a chat dialog on any page, page summarization from the right-click menu, search-engine integration, site integrations, and tools for selected text such as translation, summarization, and code explanation.
The repository states the extension does not collect data and sends prompts or page content to the configured AI service only when an AI-powered feature is triggered. It supports multiple APIs and custom API addresses, including Custom Model mode for OpenAI-format endpoints.
Key features
- Open a chat dialog on any page with a keyboard shortcut
- Summarize pages using the right-click menu
- Display AI responses alongside mainstream search engine results
- Work with Reddit, Quora, YouTube, GitHub, StackOverflow and others
- Translate, summarize, and explain selected text
- Connect to multiple APIs and custom API addresses
Best for: People who want to access ChatGPT and other supported models while browsing and working with page content.
Good for
- Open source under MIT license with code available for review
- Site adaptations and selection tools can be switched on or off
- Supports Custom Model mode for OpenAI-format endpoints
ChatGPT Box at a glance
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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ChatGPT Box FAQ
When is page content sent to an AI service?
According to the repository, prompts or page content are sent to the configured AI service only when an AI-powered feature is triggered, and by default the extension must be activated manually.
Can I use models other than OpenAI?
Custom Model mode can be used with OpenAI-format APIs, including via tools such as LiteLLM, One-API, Ollama, or OpenRouter.
How can network requests be checked?
The repository states all network request calls can be found by searching the code for fetch( and XMLHttpRequest(.
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