Cosmos is a terminal-based AI chat interface designed for users who prefer working within the command line environment. It provides access to twenty-five free AI models, including GPT, Claude, Gemini, Llama, and Mistral, all available through OpenRouter. Users can switch between models mid-session, offering flexibility in their conversational AI experience.
The platform features persistent conversation history that is synced to the cloud and organized into folders, allowing users to return to previous chats at any time. Cosmos supports the attachment of various file types, such as images, PDFs, DOCX documents, and text files, enabling the AI models to process and reference these materials during interactions. Output is rendered directly in the terminal, supporting formats like Mermaid diagrams, bar charts, tables, and full Markdown for a visually rich chat experience.
Installation is facilitated via pip, making it accessible for those familiar with Python environments. After signing in, users can begin chatting with the available models quickly. Cosmos is positioned as a tool for individuals who spend significant time in the terminal and seek an integrated AI chat solution with multi-model support and advanced file handling capabilities.
cosmos-ai sits in PulseGate's CLI tools & terminal category. Enabling developers to interact with AI chatbots directly from the terminal using multiple models. cosmos-ai is an open-source project aimed at developers and technical users. The project is open source (MIT). It runs on the web and the command line.
Sharann-del builds and maintains cosmos-ai, and the product first shipped in 2026. The project is developed in the open on GitHub with 30 commits in the last 90 days. Among its 4 catalogued features are terminal chatbot, multi-model support, and openRouter integration.
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