ChatLit Codes
GPT API Companion is a Google Chrome extension that provides access to GPT (Generative Pre-trained Transformer) API, a powerful tool for natural language processing. With this tool, users can input text and receive generated text output from the GPT API model, which has been pre-trained on a large corpus of text.
Expert Video Review by SEOGANT · March 2026
Distribution Score: 50/100 What is this? ⓘ
What is ChatLit Codes?
ChatLit Codes is a privacy-focused AI chat assistant available as both a web application and a Chrome browser extension, providing access to OpenAI's GPT-3.5 and GPT-4 language models through an interface that prioritizes user data security.
The platform distinguishes itself from standard AI chat interfaces through its bring-your-own-API-key model, where users supply their own OpenAI API credentials that are stored locally in the browser rather than on any server infrastructure.
This architectural decision means that user conversations, prompts, and API keys are never transmitted through ChatLit Codes' own servers.
The local storage of API keys eliminates a common security concern with AI platforms: the risk of API credential exposure through server-side breaches or data access. Because ChatLit Codes never handles user credentials on its servers, there is no central repository of API keys that could be compromised.
Combined with end-to-end encrypted chat history, this gives users meaningful control over their data and reduces reliance on the platform provider for security guaranteesencrypted history means conversations remain confidential and accessible only to the user who generated them.
ChatLit Codes supports the full range of capabilities that GPT-3.5 and GPT-4 offer through a clean, purpose-built chat interface.
Users can leverage the tool for coding assistance across any programming language, content generation and editing, interactive learning and explanation, research synthesis, task automation through conversational prompting, and complex reasoning tasks.
The availability of both model versions gives users flexibility to choose between GPT-3.5 for faster, cost-efficient responses and GPT-4 for higher-complexity tasks requiring deeper reasoning.
Who is ChatLit Codes for?
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